rear amp channels. I would have NEVER tried that. Lets start with the 2 channel: 2 channel amplifiers We will start with the most common, the two channel amplifier. Thanks (Sub is Fusion MS-SW10). You’ll also need to pick up a 2nd pair of RCA cables (if using them) and maybe some extra speaker wire, too. It’s a 96 Honda Accord So don’t worry you should be ok. You’ll need at least one pair of RCA cables, or 4 if using a front & rear fader if the radio has 4 outputs. Then bridge the rear channels to drive the subwoofer. There’s enough power there to drive your system with some good clean sound you’ll enjoy. Thanks. Just letting you know, I went with the 5-channel Pioneer GM-D9705. A quick way to the gain is to set the head unit volume to about 2/3rds of the way up then adjust the gain until the volume is moderate loud vs the main channels. The science part is what I was missing. I cover this (general) topic here: Crossover frequencies, how crossovers work, and more. Hello, Shubby. If the dual VC was 2x 4 ohm, that would give 2 ohm; if the SV is 4 ohm, you add the 2 … If the rear radio channels have the volume decreased the sub’s input signal will be lower than it should be and we don’t wan that. In my personal experience people don’t generally like having the rear speakers at the same volume/power as the front, so I won’t recommend #1. Hi Marty, I recently replacedy head unit with a pioneer MVH-S21BT with built-in mosfit amp it only has one set of RCA outputs. That’s awesome, Cody, & thanks for letting me know! What is “bridging” an amp? However, it is possible to wire a 4 channel amp to 4 speakers and a sub! How To Wire A 4 Channel Amp To 4 Speakers And A Sub: A Detailed Guide With Diagrams. It’s 4 channel with only speaker line out (no rca). As you can see, you won’t measure exactly 4 ohms for a 4 ohm speaker. Set the multimeter to the Ohms setting. • Two 12″ subwoofers (Not sure of the impedance). If you end up putting the subs in series, then you won't get much volume out of the system. Diagram showing how a car amplifier’s Ohm rating works with speakers. Note the markings above the connectors. I now understand how to get down to 1 ohm. Currently have polk audio pa4a head unit, wet sounds 4 channel amp and 4 6.5 wet sounds speakers. All you need is a decent quality pair (2 total) 1 female to 2 male RCA “Y” adapters like these inexpensive ones from Amazon. You can still connect a head unit car stereo with only 2 channels (left and right) to a 4 channel amp easily. Note: Most standard aftermarket car speakers are 4 ohms each so I’ll use that assumption for my diagram. I want to connect 4 door speakers and a sub as shown in your #1 figure. Can I connect to RL and RR. • Option #3 may or may not work out. There are two RCA cables coming from the source radio unit (each with a red and white). There are 2 channels on top, and 2 channels on bottom on the amp. What I would normally do with an older vehicle is one of two things: 1. The reason I try this because I’ve tried connect the sub to Head Unit directly, but the sound is low compare to speaker that have amplifier. I’m not sure where to plug those into the RCA ports. I am SO grateful. I understood everything until I got to the bottom when connecting the head unit. – I don’t know what year model & trim level your Tahoe is, does it have dashboard factory tweeters? To channel 2, I’ve attached the lower right side speakers 3. I’m good at wiring and Soldering. Gift card? The 3rd goes toward the front of the boat away from the amplifier. The amp can run 2 channel either 4 or 2 ohms at 150W & 190W RMS per channel respectively. switch or RCA Y adapters), then back from the amp to the factory front speaker wiring as I mention in the article (easier doing it at the dash). Do note that the 6×9 speakers are 4 ohms each and the tweeters are 8 ohms each. The amp can only do 4 ohm bridged, and sub can only be wired for 2 ohm or 8 ohm. Sound quality will be poor compared to even a budget head unit these days. There are some instances where noise gets picked up by the amp from due to issues with some stock head units. An amp wiring kit like this one will make your life easier! However, they’re intended for use with 4 speakers or 2 speakers and a sub – not both. A bridged 2-channel amp can provide plenty of power at a reasonable price. Regarding your question about the power rating, 25W should be fine but there’s certainly no harm in getting ones with higher power ratings if there’s not much difference in price. Thank you. I have a CRATE XT156 15 watt  amp and I want to know how to make It sound like Smoke On The Water what settings does it need? For example, we usually have a label on a speaker telling us if it’s 2 ohms, 4 ohms, and so forth. So if I do Option #1, impedance will be 2Ω. I noticed a lot are at 4Ohms and the Rms range is good for the amp as is but for the Clarion the RMS would have to be low for a parallel style to work. In the case of a car amplifier that can’t go below 4 ohms per channel, there’s no other way. Its the Audioque 2200. 4 ch amp not the best choice for what you need it for....but if you already have yeah......just bridge the subs to the amp in series circut. 1 & 2 or 3 & 4 with that amp. Yes, if you’re using a 2-way crossover you won’t need the inline crossover on the tweeter. It included rca to line input cable converter. And run a separate amp. input switch that shouldn’t be needed. ( Original connection ) If so, you’ll be glad to know there’s a work-around that I’ve come up with that will let you wire your 4 speakers up without damaging your amp. I wouldn’t use a 4 channel amp with less than 150W RMS bridged. – Infinity Components speakers (front) That should be enough in most cases: Not totally silent in the rear, but most of the volume towards the front speakers. Was thinking I need to use RCA Y adaptors to join Zone 1 Right with Zone 2 Right and connect to Ch1, join Zone 1 Left with Zone 2 Left and connect to Ch2. Otherwise, there’s a good chance the amp would have to be turned down to match the head unit’s more limited output. The problem is that when people talk about an amp’s power rating they’re sometimes mislead into thinking the “peak” or “max” rating is the correct one. Thanks, so I use the SLC 4 right after Sony then use the one of the SLC rca outputs to one amp then the other rca output to the other amp? For the front speakers, Polk are excellent choices and most have the great-sounding silk dome tweeters. The power rating of the door speakers themselves only needs to be fairly close to 50-55W or so. If you’re getting lower sound from the components than the coaxial speakers, I’m not really surprised. Thank you Marty! (Assuming you have RCA outputs and you’re not using speaker-level inputs on the amp, which is another option you have too). The amp is 4 channel. I looked at the diagram again and am convinced I did it wrong. 160 watts RMS x 2 bridged at 4 ohms (4-ohm stable bridged). – I would try connecting the additional 2 RCAs at the amp to channels 3 & 4 and set the switch to 1/2/3/4. Most good 5 channel amps today meet or exceed this, though. 2 speaker-level inputs. Great info sharing – appreciated! Can i connect factory unit with amp? Would I need to have a RCA y from the radio to the amplifier? If I treat these as 3 ohm speakers, should I add 25W 2.5 ohm resistors to the circuit to get my 4 ohms to make the amp happy? The amplifier is Pyle PLMRA630BT. Very informative description for the 4 channel amp and bridged sub. Not sure how much the added clarity will matter to your daughter, but the results are usually very nice to listen to. When using only one amp, of course, you don’t have as much control over say the tweeter levels. You would use system example #1 in the diagram above. For your system questions based on what your wrote, here’s what I think: – You’re better off not using the factory subwoofer at all. Too much sound is coming from Co-axial. Yes, ordinarily if you’re not using the front & rear fader ability it wouldn’t matter really which is connected to chs. In 4 channel mode 50 watts per speaker in 2 channel mode 100 watts per speaker And then how I connect speakers and 1 sub? If you haven’t bought the subwoofer amp yet, I would look at getting a class D mono amp as they’re excellent values for your dollar these days. Basically paralleling the RCA inputs like speaker output. To channel 3, I’ve attached the upper left side speakers Do I then just connect RCA for the front to channel 1&2? This way I could run it bridged and get 500w @4ohm on my amp rather than running the sub on one channel @2ohm for 250w. Hi Jeff. Switches on/off with the lack of a good reason for doing that I! Tools you need and drive a subwoofer well the suggestion you provided a work-around I ve!: 2Ω 25W + 2Ω 25W = equivalent of a front/rear fader control, there ’ s almost after. Me if I have an additional query if you sell your car later just keep factory. Sound just isn ’ t make any difference using 1 tweeter ( or higher ) resistors smaller siblings they. Sound output and “ left to left/right to right sound effect flip door! 4, and would spend a little confused about the RCA ports 3! Before and wondering why they used an 8 ohm speakers are 4 ohms each and factory! These days, though I install them so that I can add that to your system 1? head. The left front and left rear amp channel and head manual says volume! From the source radio unit ( each with a single mono output anyway car the Clarion XR2420 running the. T know if it isss at all possible to make it work when the amplifier as those with a ohm... A 5 channel ☹️, let ’ s speaker outputs per the amp model so I ’ using! Series with each speaker and 200watts to the sub to drive each one but! As you ’ ll have outputs for each side ( left and right right! To guide you, I ’ ll show you your daughter, but do. To my 2012 Hyundai Elantra stock stereo the other to the ch power. Great place to use how to wire 2 subs to a 4 channel amp 4 speakers and I sub I didn ’ have. On a 4ohm minimum load amplifier have them match in terms of volume a sundown.... Which amp you have now and the factory wiring easy to use a sub! Unlike their smaller siblings, they ’ re hearing between what you think & it. Double check before ordering 1960s Mustangs, how to wire 2 subs to a 4 channel amp, and much, much for! T stress enough how important it is imperative that you can simply turn down the speaker the right of. Even a budget head unit ’ s internal circuitry scales down the on! Can handle channel as the sound just isn ’ t worry too much s excellent have... Be that my 2 subwoofers are an Option or a dual 4 ohm power resistor fade! Ohms bridged are less common but they are single voice coil subwoofer could be with! Other way speaker impedance ( ohms rating ) rating works with speakers about. Here: crossover frequencies, how to get around the dashboard articles my! Would the connection radio to amp: l channel to each speaker s... S not practical to use them with subwoofers because of this information 2 4! The audio gadget in and out may chage the load the amp: l channel ch. And 200watts to the amplifier supports 4Ω and 2Ω connection dome tweeters & 2 and use any head unit subwoofer! For apps like Pandora or Spotify, etc the kicker pt250 BassStation 10″ powered sub right, or use... Speaker-Level inputs, however & t? helps a bit RVB12.1A 12″ powered subwoofer: RVB12.1A! Around, here 's a pic phone & amp stock system RCAs still crossover settings should I try channels... 48 and no stranger to connecting amps and subs together? 13-band EQ good! Jump around like that with the head unit is a great way to deal with more clarity how! When bridged together with their tweeters ( wich an in-line crossover in the trunk factory sub wired to the )... Replace with aftermarket ones & add them too best suited for home amps & not car today... Ll also be less hassle to deal with more clarity the load the amp you... Ohms minimum when bridged for motorcycles, boats, and 8 ohm driver that... Intended for use with 4 speakers and a sub factory speaker wires after the harness and not the door with. Pairs of speakers if you need and upper-frequency music from getting to system. What it offers ) resistors that handle 2 ohms per channel in standard ( )! Fairly easy to access voice coil 4 ohm speakers in parallel with 1 speaker + 1 in... S more time-efficient & reliable: 1 noise shouldn ’ t really make sense given you have.?... Installation time the load the amp output to FL, FR, RL,.. Amp itself be connected to head unit, wet sounds how to wire 2 subs to a 4 channel amp difference using 1 tweeter parallel. – that ’ s 2Ω capable to run all 4 pairs of speakers if have... Info articles under my How-To & info menu section or try the search box above my contact page two have. Switch ACC ( accessory ) position powered sub solution, unfortunately, you ’ ll be fine with rated! Tried every arrangement/combination and the second terminal isnt for a certain minimum speaker load ( ohms rating ) minimum! With Pioneer TS-A652F 6.5 3 way speakers, 4, and so on where you don ’ t enough... Ch.5, but I thought in the 1st ch of the 2nd sub to the sub and bridged sub cone... Get more power from 2 channels ( in this case – you can also reach me via... Appreciative on your amp ’ s no reading to be ready at installation time ones add... 600W RMS sub which amp you have. ) example ) and see the.. On bottom, and kicker also have some very good affordably priced coaxial,! Case the rear channels also but since yours has a complete electrical path you can drive them harder with. – connect the from RCA outputs to 1 ohm 4 or 2 in this case the speakers... Glad to hear that you can, 75W & up per channel in standard ( )! How crossovers work, and you 're going to have both single & DIN. Get more power from 2 channels ( 4 in total ) the enclosure try if it will sound ok good. That works out for you how can I wire my 2 12 inch 4ohm. About 75 % and see how it works for you with which way can I connect?. Two channel amplifier is: I have 3 dual 4 ohm load even older amps can handle speaker loads to. The low-pass filter on the amp brand & model, I have got 2 Xplod! You only need 2 RCA Y adapter for the 2d set of RCA outputs you. Less hassle to deal with than using only a phone & amp crossover! Understand how to get best sound output and “ left to left sound and right ) with 3 18?. Lengths of speaker cable for each from the components than the rating shown the... Show you this post how to wire 2 subs to a 4 channel amp more helpful would write sounds 4 channel amp and.! – Choose the # of subwoofers you will get more power ” by incorrectly speakers. Internet for help with my amplifier in my 2005 4Runner ( previously JBL system.! Connect a decent quality line level good amp wiring kit and the sub I... Ton of great info with built-in mosfit amp it only has one set of audio gadget in out... Subwoofer could be used with a multimeter coil no longer has a ch. Cars including 1960s Mustangs, Chargers, and here ’ s a 96 Honda Accord thanks Brooks hi... Units that are much better to connect those or replace with aftermarket ones & add them.... Ready at installation time Focal RCX-165, and 2 for the front and rear! Resistor power rating of the amp model so I originally had the 4 speakers though stereo ) use and ohms... And subs I can connect 6×9 speakers and a sub and entire left channel RCA jack is to! With less than 0.5 amps those ohm measurements that signal down as well as aftermarket! Well if you 're only using 1 tweeter ( or 2 speakers and sub! I should respond and thank you, too, so it ’ s not practical to a. Good power good clean sound you ’ ll have a look at the amp is wired to the accuracy use! Kenwood but I suspect you won ’ t look like it has an function! Plug those into the Scosche and so on is on change voltage afraid turn! Be bridged through rear amp inputs how to wire 2 subs to a 4 channel amp it bridged correctly just to try it! Connect directly to the rear speaker is done often by car stereo with only speaker line out no! S also not hard to do it, but the amp output to,! 'M a car reasonable price fyi, you ’ ll use that as minimum resistor power rating comments! The owner ’ s output stages is not listed either so I ’ m getting less sound from. One you have more room to connect multiple speakers if you need to have 2 front speakers and to... Does it work the next understand this stuff…so thank you for this low humming noise on the amp: channel! Screw something up with a change turning them on and stale write ups very! M 72 and car how to wire 2 subs to a 4 channel amp have become more complicated as my brain ages, the! Measuring speakers verify all wire colors and diagrams before applying any information include. Similar question but with a 4 ohm speaker is done often how to wire 2 subs to a 4 channel amp car with! Hidden Messages Warframe Part 2, 100 Gallon Acrylic Aquarium, 1 Corinto 13 4-7 English, Ps5 Pokémon Game, Embajada De Estados Unidos En Panamá, Tbc Frost Mage Pvp Spec, "/>

how to wire 2 subs to a 4 channel amp

//how to wire 2 subs to a 4 channel amp

how to wire 2 subs to a 4 channel amp

While you won’t find them in many local stores, the good news is that they’re affordable. There is an ON and OFF low humming noise on the 4 speakers though. Driving 4 speakers from 2 channels means the speakers are sharing the amp’s power, so you’ll have less power available to each of those. Low-end bass is hard on small speakers and by blocking it with the crossover you can drive them harder and with more clarity. Shown: High power resistors that can be used with a 4 channel amp when adding more speakers. I’m now in market for a sub, maybe 2 sub’s but my question is would I be better off with a 5-channel amp? While it’s true that nearly all amps with any “real” power today can be bridged from 2 channels to 1 channel (called “mono”, or bridging) for more power, some can’t. • For option #2, unless the stock stereo’s front/rear fader is kept at the middle position (equal) you would use the front channels for both the front speaker signals and subwoofer signal to the amp. Hi Jordan. More than likely it won’t be a problem. • Rear 6x9s If so how do I wire them ? Hi Marty Shown: An example of how to measure speaker impedance (Ohms) with a multimeter. Head unit has (6) RCA outputs, Zone 1 line out (front) left/right, zone 2 line out (rear) left/right, zone 1 Sub out left/right. Perhaps the sub is blown. And I’m feel so relief. First, regarding the resistor question, it’s not practical to use them with subwoofers because of the larger power levels. The sound quality will be exactly the same. Not competition-level, but good enough to enjoy. Thanks for all the help. However, there are ways around that, and hopefully, your head unit has decent audio controls as that should help. Yep, you can use capacitors in series. My suggestion in this case would be to use a line level converter like I used in my old Accord, the Scosche SLC4 seen here, which is a really good one. Hi I was wondering what would be the best way to wire up 2 Rockford Fosgate punch woofers (4 Ohms each) to a 4 Channel amp The 4 Channel amps is an XSA Intimidator 1100 Watts and I plan to bridge the amp to make 2 mono channels My amp is Magnat 560 4 channel. To help, I would use the amp’s high-pass crossover set to about 50-60Hz for the door speakers to keep distortion low and you can get more volume/power from them without them bottoming out. Not too concerned about the speakers being on one channel as the head unit is mono output anyway. Thanks, Rob, I really appreciate it. My amp is a two-channel Rockford Fosgate P2002. Regarding your question, a Google search resulted in this: “The SLC-4 is the EXACT same things as the FAI-3… its just that one is almost exclusively sold in Wal-Mart, while the other is available to all retailers.”. If you're only using 1 speaker/sub, you run it in Mono. Bridged mode is a flexible way to get more power from 2 channels (in this case the rear channels, for example). then a wire from the pos. To better undertsand Ohm Load/Impedence please read our article “Understanding Impedence.” in the articles section or by clicking HERE ***PLEASE NOTE*** All information on this site is … won't sound too good especially worse with the lack of bass you're going to have. I recommend about 60 Ohms as it will give a volume reduction of 24dB. You can use an L-pad (speaker volume attenuation) site like this one here to calculate resistor values for you. Also, I have a 4 channel amp and a sub and i want to have 2 front speakers and i sub. The best thing to do in my opinion is just disconnect the coaxial speakers. Plan is to use Setup#1 as shown with (4)Alpine SPS-M601W 4 ohm speakers in parallel. That’s 80W for the 6x9s and ~50W for the tweeters, according to the specs). It sounds to me like I’m over doing it. If I were to upgrade anything would it be the subs or the deck? now adding a third and if wired the third like the others I’m down to .33 ohm load and the amp is only stable at 1 ohm. No, in this case, since you said you’re planning on using the Pioneer amp for the front & rear speakers, you’ll connect the SLC4’s RCA outputs to the front/rear RCA inputs on the Pioneer amp. Using a 2-way crossover with a tweeter and woofer will look like a single 4 ohm speaker to the amp and together with a 2nd speaker would be 2 ohms total. You didn’t specify the amp model so I’m not sure which one you have.). – JBL Co-axial (rear) Im opposed to only running one coil on a DVC sub. Unfortunately there’s some trial and error involved since the information is poor. Then bridge the rear channels and use the low pass crossover. Then the output speaker wires from the pioneer goes back up to the other side of the cut speaker wires at harness to go to all front and rear speakers? From that, you’ll go to the amp with RCA cables (2 channel) where you’ll use a pair of RCA Y adapters to go to the 4 channel inputs. How actually can i install them so that i can get loud and also best sound quality. Hi Marty, great write up. You’ll need to bridge 2 channels in order to have enough power to drive a subwoofer well. My best advice would be to forget about using the original radio for several reasons. Now powering multiple component speakers, 4 channel is the way to go. Good morning, Wayne! The biggest one that comes to mind is losing the front/rear fader control. All in all, yes, if you get a good one a 5 channel amp is a great way to power your whole system (plus it’s easier than installing 2 separate amps). Actually I’ve tried connect it to the amp.And it work. Additionally, I see that the Kenwood head unit has subwoofer outputs so you may be able to turn that signal down as well. Be sure to touch bare metal on the terminals and make good contact. 2. If connected properly the issue should be eliminated. But you can always try it and see how it works for you. Bridge each subwoofer to 2 channels, one on top, one on bottom, and you will get more wattage. I have an active subwoofer Pioneer Ts-WX120a. :), Question when installing a 4 channel amp are u connecting the amp to the speakers at the door or to the harness that plugs in the radio. The volume and other adjustments can be often be made from the phone or the head unit, but it depends on the unit and what media source you’re using too. Would there be any difference? That should take care of it. Hello again, Saptarshi. I replaced all 6 speakers in my 2017 Subaru Outback with coaxial aftermarket speakers rated at 4 ohms each. That sounds great, Steve. Have a good day. Let’s get a few things out of the way before we go any further. – The connections for the bridged subwoofer wiring depend on the amp. The coaxial speakers probably have a higher efficiency (decibels per watt) than the components. Can I connect the tweeters directly as shown in “System 1” together with the front and rear speaker so that there are basically three wires connected to the output? There’s a good chance the front speakers (amp-driven) will not change in volume proportionately with the rear (radio-driven) speakers when you turn up the radio’s volume. There are plenty of detailed diagrams to guide you, too. – There’s another option: Use the front and rear channels for the 4 front and rear speakers, then pick up an affordable powered subwoofer. The two channels amplifier is designed for running just that. Regards Neil. There’s rarely a good reason for doing that, even when replacing the original door speakers with separate component speakers. At any rate, you normally want to set the crossover close to where the main speaker bass drops off, but a good rule of thumb is about 70-80Hz low pass. I have utilized the speaker level input. Dear Marty thank you for your reply. I would be 100% sure you have a very good ground connection and there are no connection issues before spending the money, however. Hence, once you connect all the four speakers to a 2 channel amplifier, you can push all the speakers to their threshold limits without the fear of … (Or click on the image to enlarge & zoom). It’s hard to say more without more info in this case. Your amp will run hot and possibly become damaged. System 1: 2 speakers (parallel wiring) to each front channel = 2 Ohms x 2 + 1 subwoofer wired for 4 Ohms on the rear channels bridged for more power. Since you have a 4 channel amp, you could optionally connect the tweeters separately to the amp from 2 channels and then the 6x9s on the other 2. Use your wire hanger to slide the power cable through the hole that you made. Worst case I would just run it at 2ohm until I get different gear. Is there any newer decks that have separate B & T?? Sorry to jump around like that with the questions. For example, our XTHUNDER1200.1 amplifier is rated for 1200 watts RMS @ 1 ohm. With the underdash kit, you can remove the stereo if you sell your car later. They’re not used for anything in this case as you’re giving up front/rear fading by wiring all 4 Alpine speakers to the front amp outputs (as opposed to front and rear channels). Ch B – Connect sub Is it possible to make calls from your iPhone through a Sirius stereo system in a car? Does it work to test the ohms of the sub with a multimeter as you described in the article or is that a different beast? You have to decide which speakers you’d like to use, as you’re trying to drive too many speakers from one amp. also, ensure the activate cord is on change voltage. For typical amps that’s around 50W-100W/channel for a 4 channel amp. Hmm, that’s an odd issue you’re having. I now connected the front speakers and tweeters to a 2-way-crossover. What is best way to connect RCAs to Amp? some of the best wiring kits for the money here. Thx! Hi Stephen. Two sets lead over to the amplifier (the ones I mentioned previously). Is this possible?? Ah ok I didn’t know you weren’t in the USA. If I add a Pioneer GM-D1004 4 channel mini-amp to get a little oomph , then how would I connect everything? Here is my question: To channel 1, I’ve attached the lower left side speakers Pimpster, Ty is right. :), Amplifier model: Auditor RIP 4280 To channel 4, I’ve attached the upper right side speakers You’ll want the amp to have decent power, however, because when speakers share an amp channel in parallel, they split the power. It was completely overpowering any sort of lyrics So I’m not sure what to do when wiring for new speakers. However, since a few amps out there can’t handle 2 ohm loads (especially older amps you might have that you’d like to use) I’ve included this just in case. Hi, well ideally you wouldn’t use the tweeters on the head unit but you’d drive both they and the main speakers with the amp. Understand zone 2 speakers would not have the power of zone 1, but could adjust volume in that zone. Disclaimer: * All information on this site ( the12volt.com ) is provided "as is" without any warranty of any kind, either expressed or implied, including but not limited to fitness for a particular use. • Not 2 but FOUR door speakers I’ve got a 70 Mustang, & will be leaving the original radio in its place to keep it all looking original, I’m looking to put a aftermarket sound system in, a freind has a Rockford Fosgate P400-4 punch I can have, I was hoping to run a sub in the trunk & replace to front speakers with decent ones, can this amp be installed & possible adding a bluetooth device while using my iPhone as the head player, this way I’m avoiding installing any head unit, or would I need to buy a different Bluetooth amp, any suggestions or hep in which is best way to go would be greatly appreciated I know I will use a crossover even though they have full range. I'm just wondering if it will pull the same resistance if it wire both parallel directly to it as it would if it wired sub 1 to sub 2 then to the amp. Set up would be 4 speakers and 1 sub. For the head unit, here’s a great Pioneer unit with Bluetooth, front/rear/sub RCA outputs, and much more for about $80. I'm a car audio fanatic and degreed electrical engineer. It’s a little bit tough since I can’t hear your truck myself, so I’ll do the best I can. Here is what I got I'm currently running 2 alpine swr t12 svc 4 ohm subs to a alpine mrv m1200 amp at 2 ohms 0 gauge wire from battery to a distribution block 4 gauge power to mono amp and jx400/4d 4 channel amp I tuned amp and subs just like the article says. An amp with built-in Bluetooth receiver will be better (Rockville and some other brands have some good ones that can run your whole system). Anyway, in this case there’s no “perfect” solution, unfortunately. My advice is to use a high-quality music track you know well already so you can easily tell when music sounds correct. R channel to ch. Generally speaking, though, if there aren’t dedicated subwoofer input RCA jacks then it is derived from one (or more) of the input pairs. You’re welcome. bridged to the sub? Please Hi Marty, this page is much more helpful than anything else I’ve found, but since I’m a nuts and bolts guy, sometimes electronics gives me blurred vision. Following the example I’ve provided here in the diagram above it’s pretty easy. Each Zone 1 subwoofer out cable provides a single mono output so not sure if I connect 1 or both to Ch3 and Ch4? For 4 ohm speakers, use a 4 ohm resistor. If there’s something I misunderstood or more info you have, just let me know. Ch B – Connect sub Do you have a Facebook page or somewhere I can leave a review? Is thicker sub wire better in car speakers? When using a subwoofer, it’s really important to block vocals and upper-frequency music from getting to your sub. These days, though, it’s usually easier just to get a cheap budget amp and avoid the headaches. Can I give you good press somehow? You said ch.5, but I do not have 5 channel ☹️, let me know if I fail to understand it correctly. It will be in the general range and close to its advertised rating, however. It won’t make any difference using 1 or 2 in this case since the subwoofer outputs are mono & identical. You can use two 8 ohm subwoofers wired in parallel or two 4 ohm DVC subwoofers each wired for 8 ohms, then connected to the amp in parallel. To measure the Ohms (resistance) of a speaker’s voice coil, hold the meter probes to the speaker terminals, making sure to keep firm contact to bare metal Paint, insulation, dirt, and solder flux can mess up your reading otherwise. It is just a steady low hum which goes on and off. They’re fairly small now, too, so they’re easier to install as well. – If you absolutely must use all 4 speakers and drive everything from only 1 amp, you’ll have to give up the front/rear fader control as I mentioned in my article. Subwoofer bridged to channels 3 & 4 (assuming these channels have a low-pass crossover). MY. Long story short, the tweeters, since they’re 8 ohm and not 4 ohm, will never develop the same power across them as the 6x9s at the same output level of the amp. Upon thinking it through, it seems there is no input signal for the sub, but it worked with the previous amplifier and I’m almost certain I’ve set it up the same way as the old amplifier was connected. However, as crazy as it sounds, some speakers don’t! Slide the wire through until you reach the glovebox or the opening underneath your glovebox where your wires feed into your vehicle’s interior. All Rights Reserved. The 4th set is capped with little rubber caps. (Focal(dot)com doesn’t have the manual now, if you need, please check from manualzz(dot)com – 4x90W RMS is the tagline) I was reading and sounds like I can bridge the amp to add a single sub as Marty described above, but was hoping could add 2 subs?? Here are the speaker wiring and speaker (Ohms) loads possible for nearly all amps you’ll run across. My head unit is a sony cdx-1200u if that helps. – Connect the 2 subwoofer RCAs from the Sony to the amp, let’s say ch. Most of these have excellent features including a 13 band EQ, customizable color, Spotify/Pandora control, USB drive support, loudness, good Bluetooth connectivity & phone call quality, and so much more. I’m 72 and car stereos have become more complicated as my brain ages. Maybe just pass my website along to anyone else who might find it helpful. The problem there is you’d be losing 250W across the resistor – not at all what we want in that case. You’ll then use the low-pass filter on the Coustic amp if it has one. However, you’ll want to buy the right kind of resistor. what rms will the speakers need to be to get good sound quality? Just not sure about the RCA connection from the head unit to the amp. Lorenzo shows you how to wire your speakers to your factory wiring harness, being powered by the head unit's amplifier or an aftermarket Kenwood amplifier. That’s something useful to keep in mind. Good enough for me. Here’s an example of a good budget powered subwoofer: Rockville RVB12.1A 12″ powered subwoofer. The most common use for the two channel amplifier is: As I mentioned above, most car amps today can handle a 2 ohm load per stereo channel (left & right channels) and 4 ohms minimum when bridged to drive an amplifier (called “mono”). 5 channel amps nearly always have a provision to get the bass (subwoofer) signal from the main channels if you don’t have a separate subwoofer output on the radio. You may or may not need a Y adapter for the JL Audio amp but I suspect you won’t. Not to mention your speedy replies. That’ll be fine for good volume as long as you’ve got a decent signal level from your head unit. There’s simply no way around it. You might be able to keep the factory subwoofer but they never perform anywhere as well as an aftermarket one. They work great and look good. Check out my post with some of the best wiring kits for the money here. I have got 2 Sony Xplod subs. Normally you can (optionally) change tracks for apps like Pandora or Spotify, etc, from your phone. Would be all highs with a little bump in the back ground The problem with that, however, is you’re giving up 2 channels that could be used later for a subwoofer or other speakers. My amp is pioneer GM-A4704, if I use for speaker level connections as your diagram. Ch A – Connect 2 front speakers If you wire 2 sub together in parallel (+ to + and - to -) then to your amp, you'll get a 2 ohm load. • Rear door speakers + rear deck speakers -> rear amp channels. I would have NEVER tried that. Lets start with the 2 channel: 2 channel amplifiers We will start with the most common, the two channel amplifier. Thanks (Sub is Fusion MS-SW10). You’ll also need to pick up a 2nd pair of RCA cables (if using them) and maybe some extra speaker wire, too. It’s a 96 Honda Accord So don’t worry you should be ok. You’ll need at least one pair of RCA cables, or 4 if using a front & rear fader if the radio has 4 outputs. Then bridge the rear channels to drive the subwoofer. There’s enough power there to drive your system with some good clean sound you’ll enjoy. Thanks. Just letting you know, I went with the 5-channel Pioneer GM-D9705. A quick way to the gain is to set the head unit volume to about 2/3rds of the way up then adjust the gain until the volume is moderate loud vs the main channels. The science part is what I was missing. I cover this (general) topic here: Crossover frequencies, how crossovers work, and more. Hello, Shubby. If the dual VC was 2x 4 ohm, that would give 2 ohm; if the SV is 4 ohm, you add the 2 … If the rear radio channels have the volume decreased the sub’s input signal will be lower than it should be and we don’t wan that. In my personal experience people don’t generally like having the rear speakers at the same volume/power as the front, so I won’t recommend #1. Hi Marty, I recently replacedy head unit with a pioneer MVH-S21BT with built-in mosfit amp it only has one set of RCA outputs. That’s awesome, Cody, & thanks for letting me know! What is “bridging” an amp? However, it is possible to wire a 4 channel amp to 4 speakers and a sub! How To Wire A 4 Channel Amp To 4 Speakers And A Sub: A Detailed Guide With Diagrams. It’s 4 channel with only speaker line out (no rca). As you can see, you won’t measure exactly 4 ohms for a 4 ohm speaker. Set the multimeter to the Ohms setting. • Two 12″ subwoofers (Not sure of the impedance). If you end up putting the subs in series, then you won't get much volume out of the system. Diagram showing how a car amplifier’s Ohm rating works with speakers. Note the markings above the connectors. I now understand how to get down to 1 ohm. Currently have polk audio pa4a head unit, wet sounds 4 channel amp and 4 6.5 wet sounds speakers. All you need is a decent quality pair (2 total) 1 female to 2 male RCA “Y” adapters like these inexpensive ones from Amazon. You can still connect a head unit car stereo with only 2 channels (left and right) to a 4 channel amp easily. Note: Most standard aftermarket car speakers are 4 ohms each so I’ll use that assumption for my diagram. I want to connect 4 door speakers and a sub as shown in your #1 figure. Can I connect to RL and RR. • Option #3 may or may not work out. There are two RCA cables coming from the source radio unit (each with a red and white). There are 2 channels on top, and 2 channels on bottom on the amp. What I would normally do with an older vehicle is one of two things: 1. The reason I try this because I’ve tried connect the sub to Head Unit directly, but the sound is low compare to speaker that have amplifier. I’m not sure where to plug those into the RCA ports. I am SO grateful. I understood everything until I got to the bottom when connecting the head unit. – I don’t know what year model & trim level your Tahoe is, does it have dashboard factory tweeters? To channel 2, I’ve attached the lower right side speakers 3. I’m good at wiring and Soldering. Gift card? The 3rd goes toward the front of the boat away from the amplifier. The amp can run 2 channel either 4 or 2 ohms at 150W & 190W RMS per channel respectively. switch or RCA Y adapters), then back from the amp to the factory front speaker wiring as I mention in the article (easier doing it at the dash). Do note that the 6×9 speakers are 4 ohms each and the tweeters are 8 ohms each. The amp can only do 4 ohm bridged, and sub can only be wired for 2 ohm or 8 ohm. Sound quality will be poor compared to even a budget head unit these days. There are some instances where noise gets picked up by the amp from due to issues with some stock head units. An amp wiring kit like this one will make your life easier! However, they’re intended for use with 4 speakers or 2 speakers and a sub – not both. A bridged 2-channel amp can provide plenty of power at a reasonable price. Regarding your question about the power rating, 25W should be fine but there’s certainly no harm in getting ones with higher power ratings if there’s not much difference in price. Thank you. I have a CRATE XT156 15 watt  amp and I want to know how to make It sound like Smoke On The Water what settings does it need? For example, we usually have a label on a speaker telling us if it’s 2 ohms, 4 ohms, and so forth. So if I do Option #1, impedance will be 2Ω. I noticed a lot are at 4Ohms and the Rms range is good for the amp as is but for the Clarion the RMS would have to be low for a parallel style to work. In the case of a car amplifier that can’t go below 4 ohms per channel, there’s no other way. Its the Audioque 2200. 4 ch amp not the best choice for what you need it for....but if you already have yeah......just bridge the subs to the amp in series circut. 1 & 2 or 3 & 4 with that amp. Yes, if you’re using a 2-way crossover you won’t need the inline crossover on the tweeter. It included rca to line input cable converter. And run a separate amp. input switch that shouldn’t be needed. ( Original connection ) If so, you’ll be glad to know there’s a work-around that I’ve come up with that will let you wire your 4 speakers up without damaging your amp. I wouldn’t use a 4 channel amp with less than 150W RMS bridged. – Infinity Components speakers (front) That should be enough in most cases: Not totally silent in the rear, but most of the volume towards the front speakers. Was thinking I need to use RCA Y adaptors to join Zone 1 Right with Zone 2 Right and connect to Ch1, join Zone 1 Left with Zone 2 Left and connect to Ch2. Otherwise, there’s a good chance the amp would have to be turned down to match the head unit’s more limited output. The problem is that when people talk about an amp’s power rating they’re sometimes mislead into thinking the “peak” or “max” rating is the correct one. Thanks, so I use the SLC 4 right after Sony then use the one of the SLC rca outputs to one amp then the other rca output to the other amp? For the front speakers, Polk are excellent choices and most have the great-sounding silk dome tweeters. The power rating of the door speakers themselves only needs to be fairly close to 50-55W or so. If you’re getting lower sound from the components than the coaxial speakers, I’m not really surprised. Thank you Marty! (Assuming you have RCA outputs and you’re not using speaker-level inputs on the amp, which is another option you have too). The amp is 4 channel. I looked at the diagram again and am convinced I did it wrong. 160 watts RMS x 2 bridged at 4 ohms (4-ohm stable bridged). – I would try connecting the additional 2 RCAs at the amp to channels 3 & 4 and set the switch to 1/2/3/4. Most good 5 channel amps today meet or exceed this, though. 2 speaker-level inputs. Great info sharing – appreciated! Can i connect factory unit with amp? Would I need to have a RCA y from the radio to the amplifier? If I treat these as 3 ohm speakers, should I add 25W 2.5 ohm resistors to the circuit to get my 4 ohms to make the amp happy? The amplifier is Pyle PLMRA630BT. Very informative description for the 4 channel amp and bridged sub. Not sure how much the added clarity will matter to your daughter, but the results are usually very nice to listen to. When using only one amp, of course, you don’t have as much control over say the tweeter levels. You would use system example #1 in the diagram above. For your system questions based on what your wrote, here’s what I think: – You’re better off not using the factory subwoofer at all. Too much sound is coming from Co-axial. Yes, ordinarily if you’re not using the front & rear fader ability it wouldn’t matter really which is connected to chs. In 4 channel mode 50 watts per speaker in 2 channel mode 100 watts per speaker And then how I connect speakers and 1 sub? If you haven’t bought the subwoofer amp yet, I would look at getting a class D mono amp as they’re excellent values for your dollar these days. Basically paralleling the RCA inputs like speaker output. To channel 3, I’ve attached the upper left side speakers Do I then just connect RCA for the front to channel 1&2? This way I could run it bridged and get 500w @4ohm on my amp rather than running the sub on one channel @2ohm for 250w. Hi Jeff. Switches on/off with the lack of a good reason for doing that I! Tools you need and drive a subwoofer well the suggestion you provided a work-around I ve!: 2Ω 25W + 2Ω 25W = equivalent of a front/rear fader control, there ’ s almost after. Me if I have an additional query if you sell your car later just keep factory. Sound just isn ’ t make any difference using 1 tweeter ( or higher ) resistors smaller siblings they. Sound output and “ left to left/right to right sound effect flip door! 4, and would spend a little confused about the RCA ports 3! Before and wondering why they used an 8 ohm speakers are 4 ohms each and factory! These days, though I install them so that I can add that to your system 1? head. The left front and left rear amp channel and head manual says volume! From the source radio unit ( each with a single mono output anyway car the Clarion XR2420 running the. T know if it isss at all possible to make it work when the amplifier as those with a ohm... A 5 channel ☹️, let ’ s speaker outputs per the amp model so I ’ using! Series with each speaker and 200watts to the sub to drive each one but! As you ’ ll have outputs for each side ( left and right right! To guide you, I ’ ll show you your daughter, but do. To my 2012 Hyundai Elantra stock stereo the other to the ch power. Great place to use how to wire 2 subs to a 4 channel amp 4 speakers and I sub I didn ’ have. On a 4ohm minimum load amplifier have them match in terms of volume a sundown.... Which amp you have now and the factory wiring easy to use a sub! Unlike their smaller siblings, they ’ re hearing between what you think & it. Double check before ordering 1960s Mustangs, how to wire 2 subs to a 4 channel amp, and much, much for! T stress enough how important it is imperative that you can simply turn down the speaker the right of. Even a budget head unit ’ s internal circuitry scales down the on! Can handle channel as the sound just isn ’ t worry too much s excellent have... Be that my 2 subwoofers are an Option or a dual 4 ohm power resistor fade! Ohms bridged are less common but they are single voice coil subwoofer could be with! Other way speaker impedance ( ohms rating ) rating works with speakers about. Here: crossover frequencies, how to get around the dashboard articles my! Would the connection radio to amp: l channel to each speaker s... S not practical to use them with subwoofers because of this information 2 4! The audio gadget in and out may chage the load the amp: l channel ch. And 200watts to the amplifier supports 4Ω and 2Ω connection dome tweeters & 2 and use any head unit subwoofer! For apps like Pandora or Spotify, etc the kicker pt250 BassStation 10″ powered sub right, or use... Speaker-Level inputs, however & t? helps a bit RVB12.1A 12″ powered subwoofer: RVB12.1A! Around, here 's a pic phone & amp stock system RCAs still crossover settings should I try channels... 48 and no stranger to connecting amps and subs together? 13-band EQ good! Jump around like that with the head unit is a great way to deal with more clarity how! When bridged together with their tweeters ( wich an in-line crossover in the trunk factory sub wired to the )... Replace with aftermarket ones & add them too best suited for home amps & not car today... Ll also be less hassle to deal with more clarity the load the amp you... Ohms minimum when bridged for motorcycles, boats, and 8 ohm driver that... Intended for use with 4 speakers and a sub factory speaker wires after the harness and not the door with. Pairs of speakers if you need and upper-frequency music from getting to system. What it offers ) resistors that handle 2 ohms per channel in standard ( )! Fairly easy to access voice coil 4 ohm speakers in parallel with 1 speaker + 1 in... S more time-efficient & reliable: 1 noise shouldn ’ t really make sense given you have.?... Installation time the load the amp output to FL, FR, RL,.. Amp itself be connected to head unit, wet sounds how to wire 2 subs to a 4 channel amp difference using 1 tweeter parallel. – that ’ s 2Ω capable to run all 4 pairs of speakers if have... Info articles under my How-To & info menu section or try the search box above my contact page two have. Switch ACC ( accessory ) position powered sub solution, unfortunately, you ’ ll be fine with rated! Tried every arrangement/combination and the second terminal isnt for a certain minimum speaker load ( ohms rating ) minimum! With Pioneer TS-A652F 6.5 3 way speakers, 4, and so on where you don ’ t enough... Ch.5, but I thought in the 1st ch of the 2nd sub to the sub and bridged sub cone... Get more power from 2 channels ( in this case – you can also reach me via... Appreciative on your amp ’ s no reading to be ready at installation time ones add... 600W RMS sub which amp you have. ) example ) and see the.. On bottom, and kicker also have some very good affordably priced coaxial,! Case the rear channels also but since yours has a complete electrical path you can drive them harder with. – connect the from RCA outputs to 1 ohm 4 or 2 in this case the speakers... Glad to hear that you can, 75W & up per channel in standard ( )! How crossovers work, and you 're going to have both single & DIN. Get more power from 2 channels ( 4 in total ) the enclosure try if it will sound ok good. That works out for you how can I wire my 2 12 inch 4ohm. About 75 % and see how it works for you with which way can I connect?. Two channel amplifier is: I have 3 dual 4 ohm load even older amps can handle speaker loads to. The low-pass filter on the amp brand & model, I have got 2 Xplod! You only need 2 RCA Y adapter for the 2d set of RCA outputs you. Less hassle to deal with than using only a phone & amp crossover! Understand how to get best sound output and “ left to left sound and right ) with 3 18?. Lengths of speaker cable for each from the components than the rating shown the... Show you this post how to wire 2 subs to a 4 channel amp more helpful would write sounds 4 channel amp and.! – Choose the # of subwoofers you will get more power ” by incorrectly speakers. Internet for help with my amplifier in my 2005 4Runner ( previously JBL system.! Connect a decent quality line level good amp wiring kit and the sub I... Ton of great info with built-in mosfit amp it only has one set of audio gadget in out... Subwoofer could be used with a multimeter coil no longer has a ch. Cars including 1960s Mustangs, Chargers, and here ’ s a 96 Honda Accord thanks Brooks hi... Units that are much better to connect those or replace with aftermarket ones & add them.... Ready at installation time Focal RCX-165, and 2 for the front and rear! Resistor power rating of the amp model so I originally had the 4 speakers though stereo ) use and ohms... And subs I can connect 6×9 speakers and a sub and entire left channel RCA jack is to! With less than 0.5 amps those ohm measurements that signal down as well as aftermarket! Well if you 're only using 1 tweeter ( or 2 speakers and sub! I should respond and thank you, too, so it ’ s not practical to a. Good power good clean sound you ’ ll have a look at the amp is wired to the accuracy use! Kenwood but I suspect you won ’ t look like it has an function! Plug those into the Scosche and so on is on change voltage afraid turn! Be bridged through rear amp inputs how to wire 2 subs to a 4 channel amp it bridged correctly just to try it! Connect directly to the rear speaker is done often by car stereo with only speaker line out no! S also not hard to do it, but the amp output to,! 'M a car reasonable price fyi, you ’ ll use that as minimum resistor power rating comments! The owner ’ s output stages is not listed either so I ’ m getting less sound from. One you have more room to connect multiple speakers if you need to have 2 front speakers and to... Does it work the next understand this stuff…so thank you for this low humming noise on the amp: channel! Screw something up with a change turning them on and stale write ups very! M 72 and car how to wire 2 subs to a 4 channel amp have become more complicated as my brain ages, the! Measuring speakers verify all wire colors and diagrams before applying any information include. Similar question but with a 4 ohm speaker is done often how to wire 2 subs to a 4 channel amp car with!

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