how to bridge a 4 channel amp to 2 subs

You could bridge the amp and run the VC's in parallel, as long as the VC's are 4 ohms. Locate the specification labels for your system. If you're only using 1 speaker/sub, you run it in Mono. If you are wiring the coils in series then run a wire from the positive terminal of the first coil (the one wired to the amp) to the negative terminal of the second coil and from the negative terminal of the first coil to the positive terminal of the second. You will need a 4 channel amp to run 2 speakers in bridged mode. Is my vehicle compatible with this aftermarket stereo? ), you can blow out your amplifier. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. just wondering if i would be able to hook up just 1 subwoofer to this amp. 6 speakers 4 channel amp wiring diagram – A Beginner s Guide to Circuit Diagrams. Connect the positive end of the first sub's first coil to the positive end of the second sub's first coil. Whould this cause a lot of strain on my sub I'm hooking it up to? They show a typical single channel wiring scheme. By using our site, you agree to our. You can do it, but keep the level low because you will be pushing the full power of the amp to just one sub. that way you use all the channels of the amp and you still have the sub gettng enough power to really knock. because speakers can not handle as many watts as subs. You can still connect a head unit car stereo with only 2 channels (left and right) to a 4 channel amp easily. 4 channel amps were not designed to power subs. Finally connect the negative end of the second coil to the negative bridged terminal on the amp. Most amps will display how to wire this up with the connectors. most 4 chanel amp that has bridging capability goes only to 2 chanel. 6 x 8 = 48 Ohms 2) Add the values. Any other questions feel free to email me. But if not you can leave the spare channel unused. It depends on the amplifier. How do I bridge a woofer when I have one single voice coil and one double voice coil? What are the disadvantages of bridging one or more subwoofers to an amplifier? You can sign in to vote the answer. For example, a 2-channel amplifier rated for 75 watts RMS per channel at 4 ohms may be able to put out as much as 200 watts at 4 ohms into one channel when bridged, which can be very convenient for powering a subwoofer. If it is capable of driving (powering) low impedance loads, then it can be done. If you really can’t stand to see another ad again, then please consider supporting our work with a contribution to wikiHow. Normally when in bridged mode, you will hook positive from the speaker to positive (usually marked with a circle around it) from one channel in the bridged pair, and the negative (also marked) of the other from the pair. By signing up you are agreeing to receive emails according to our privacy policy. Theoretically, the output should be 4 times the power of a single channel on the amp. For example, if you have three speakers with impedance values of 4 Ohms, 6 Ohms, and 8 Ohms your total impedance wired in series would be 18 Ohms (4+6+8=18). Preparing to Wire Your Subs to a Bridged Amp, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/7\/7b\/Bridge-Subwoofers-Step-1-Version-4.jpg\/v4-460px-Bridge-Subwoofers-Step-1-Version-4.jpg","bigUrl":"\/images\/thumb\/7\/7b\/Bridge-Subwoofers-Step-1-Version-4.jpg\/aid1390341-v4-728px-Bridge-Subwoofers-Step-1-Version-4.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

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\n<\/p><\/div>"}, Wiring Single Voice Coil Subs to a Bridged Amp, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/9\/94\/Bridge-Subwoofers-Step-7-Version-4.jpg\/v4-460px-Bridge-Subwoofers-Step-7-Version-4.jpg","bigUrl":"\/images\/thumb\/9\/94\/Bridge-Subwoofers-Step-7-Version-4.jpg\/aid1390341-v4-728px-Bridge-Subwoofers-Step-7-Version-4.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

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\n<\/p><\/div>"}, Wiring Dual Voice Coil Subs to a Bridged Amp, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/e\/ef\/Bridge-Subwoofers-Step-11-Version-2.jpg\/v4-460px-Bridge-Subwoofers-Step-11-Version-2.jpg","bigUrl":"\/images\/thumb\/e\/ef\/Bridge-Subwoofers-Step-11-Version-2.jpg\/aid1390341-v4-728px-Bridge-Subwoofers-Step-11-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

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\n<\/p><\/div>"}, http://www.gollihurmusic.com/faq/31-OHMS_AND_IMPEDANCE_FROM_THE_OUTPUT_SPEAKER_PERSPECTIVE.html, http://cie-wc.edu/Series_Parallel_9_14.pdf, http://www.crutchfield.com/S-41nlFnQ6MAT/learn/learningcenter/car/subwoofers_wiring.html, consider supporting our work with a contribution to wikiHow. Waste of an amp for 1 sub. Use caution when wiring any electrical devices. Now if your sub can handle the amp. What happens when you bridge an amp? all amps that are bridgeable you will notice their bridged impedence is double the individual channel impedence. Also make sure the remote (rms) wire has an inline fuse rated at 1 amp so you don't accidently damage your head unit in the event of a short. or both? Now powering multiple component speakers, 4 channel is the way to go. You'd set the A channel to HPF and the filter frequency to 60-100hz depending on the quality of your speakers, and you'd set the B channel to LPF and the frequency to about 80hz. Your amp is stable down to 1 ohm. Keep in mind you can run most 2 channel amps down to a 2 Ohm stereo load to achieve more power. This is because most 2-channel amps are only 4 … If you choose to wire the subs in series, connect the negative end of the second coil in the first sub to the positive end of the first coil in the second sub (these circuits can get complicated fast). it gives you.. 1050w/ch at 8ohms.. better headroom. In which case would I … The only practical way to wire those subs with that amp is just the way you have it: connect one 4-ohm sub to each channel. This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness. This is an example of a 2 channel amplifier running mid range speakers and then a sub configuration. the amp is still seeing a 4 ohm subwoofer and is only going to provide 75W to the sub. A 50Wx2 amp bridged would act as a 200Wx1 amp. Let’s get started. http://www.crutchfield.com/S-TAmvZqGPEq6/learn/lea... Will I get cancer from a cd player with radio? it's on the small side to drive a subwoofer, but yes, you can bridge two of the channels (probably the "B" channels with that amp) to drive a small 4 ohm subwoofer, and use the "A" channels to power another pair of speakers. Bridging amps is a common process in car stereo systems, as it allows for increasing the amp's power output. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. the impedence the amplifier sees halfs when you bridge it. Determine what amplifier to use with your subwoofer system. Attach + to + and - to - on the dual voice coil, then + to + amp on the single, - (single) to + (double), then - (double) to - amp. wikiHow's. At 150 watts you only need 14 gauge stranded wire to feed the speakers. If wiring in parallel, connect the negative end of the first sub's second coil to the negative end of the second sub's second coil. simple answer is yes, i would have the sub run off of a bridged 2 channel and the speakers wired to their own channel. Get your answers by asking now. At 75 watts you could use 18 gauge. 2 subs bridged mono, 2000w/cab, still loads of headroom, but you only have 2 cabs so you won't get as much low end extension. Since it has been wired to a single 4-ohm sub, the amp can deliver 250 watts with a properly set gain to match the sub power rating perfectly. Select your Woofer Quantity and Woofer Impedance to see available wiring configurations. it says something with built in cross overs? Well, your subs are dual 4 ohm voice coil subs. How do you think about the answers? Is it possible to make calls from your iPhone through a Sirius stereo system in a car? So say you have two speakers with impedances of 6 Ohms and 8 Ohms. Where Z is the impedance of a given speaker. How loud is a 24,000 watt system with 3 18's? Next, connect the negative end of the first coil to the positive end of the second coil. If the dual VC was 2x 4 ohm, that would give 2 ohm; if the SV is 4 ohm, you add the 2 to get 6 ohm. It it NOT necessary to bridge a multi-channel amplifier to make it produce maximum power. It's important to keep in mind that when you bridge a two-channel amp, the speaker resistance---measured in ohms---is cut in half (i.e., 4 ohms would go down to 2 ohms). The majority of amps on the home theater market are only stable at 4 ohms when bridged. Bridging is simply one option. Unfortunately, you only see about 2/3 to 3/4 of this power. wikiHow is where trusted research and expert knowledge come together. So in theory, you could run 2 subs, one off each channel output. 6 + 8 = 14 Ohms 3) Divide the top by the bottom to find your total impedance. Join Yahoo Answers and get 100 points today. So when connecting up your left channel you would connect one wire to the front + and the other to the rear -. An amplifier is usually bridged to combine two channels to power one subwoofer, or to combine … Normally, an amplifier may consist up to 4 channels. You should fuse the battery hot at the battery (incase of accidental damage resulting in short circuit) make sure it is rated at the total amps of the unit. Remember: 4 Ohm mono is equivalent to 2 Ohm stereo. how to bridge 2 svc 4ohm subs - Hey everyone, I just wanted to make sure im going to be doing this correctly.THe amplifier is a Power Acoustik 1600 watt 2 channel amplifier. The following diagrams are the most popular wiring configurations. Basically, the main process is the same for every single channel. 300 watt maxx power depending on the maxx wattage of the speakers. Series wiring and parallel wiring. Still have questions? Each screw will have a + or - sign above it, and the two used for 150 watts in bridged mode will probably by circled or highlighted in some way that makes them stand out. With Kenwood, there would be a switch to bridge it to 2 channel. = Ztotal. This time it would look like this: 1) Multiply the values. You cannot bridge those two channels into one channel; it will end up destroying your amplifier. So you end up with two channels total. This article has been viewed 228,424 times. Be sure that your use the values for bridged mode, it is usually double the minimum impedance as stereo mode (meaning you need a much high impedance to run a bridged system) a… The term "bridging sub-woofers" is a bit misleading. The results will display the correct subwoofer wiring diagram and impedance load to help find a compatible amplifier. You need 2 amps to power 4 cabs, and you need 4 cabs to go decent low. In most cases, you only need 2 RCA Y adapter cables. either way, how would i go about the wiring for this, i mean the wiring from the sub/speakers to the amp. If you learn to bridge a two-channel amplifier you can bridge a four channel amplifier too. if an amp is bridged at 4 ohms, it is the equivilant of running both channels at 2 ohm individually. Mono block amps are sub amps. Pimpster, Ty is right. a 4 ohm sub is going to be 4 ohm, no matter what you do to the amp. Why are standard transmissions better for offroading? as already stated you need to provide more info about the subs and amp. Assuming the sub has a 4 ohm voice coil...and only concentrating on 2 channels, you need to take the positive from one to the positive on the sub and the negative from the other to the negative on the sub. (Car Audio) Does the Kenwood KDC-BT362U receiver have a remote amp on lead? For DVC sub, the wiring is basicly like 2 svc sub for each driver/speaker. You would need the owner manual to know for sure. Or would it be bad for the amp? If in series (amp - to - 1st sub, + 1st sub to - 2nd sub, + 2nd sub to + amp), you get 8 ohm load. If you bridge an amp, you are using 2 channels to make 1. Most car stereo amplifiers can do 2 ohms. Now wire all those pos and negs together ... you'll be at a 2 ohm load, but that's as good as you're going to get. A very first look at a circuit representation may be confusing, yet if you can read a subway map, you could review schematics. The best you can do is 150 watts to the speaker out of a bridged 4 to 2 channel setup. For tips on the best way to set up your home network, see, All tip submissions are carefully reviewed before being published. If you have one and about to start bridging it, here is the procedure for you. This number is usually the same as the combined power of the 2 channels at half the load. If you end up putting the subs in series, then you won't get much volume out of the system. 12- to 16 gauge speaker wire is recommended for use with subwoofers. It is (Z1 x Z2 x Z3…) / (Z1 + Z2 + Z3…) =Ztotal. With Kenwood, there would be a switch to bridge it to 2 channel. For this configuration, all subs must be 2 ohm dual coiled and each sub must be at least 1/4 the power handling of the amp @ 4 ohm.-----These are the only methods I can think of right now that will present a 4 ohm load to the amp. You don't have to use both channels (you probably don't have to bridge both either if you want to use the spare channel to amplify your two back speakers at 75 watts each). So in theory you can run both your front and rear speakers using two sets of 4 … Bridging the channels increases the power output. You could connect a speaker to each channel. This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness. If an amplifier is 2 ohm stereo stable (and therefore 4 ohm mono stable), it will produce the same power into a 2 ohm stereo load as it will into a 4 ohm mono load. Thus in effect doubling the power each channel, say you amp was 200 watts. The formula for finding total impedance of speakers wired in parallel is a little trickier. 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. 48/14 = 3.43 Ohms (rounded), You can also use an impedance calculator such as this one. Learning the ins and outs of a bridged circuit is important, though, as an improper setup can damage your equipment. As far as your speakers to the amp, it's possible but I would not reccomend it, I'd say get a smaller amp, ex. I have an old Pioneer amp lying around, here's a pic. The best you can do is 150 watts to the speaker out of a bridged 4 to 2 channel setup. (you'll know by looking at the maxx power and WRMS of the sub and the amp). Then at the amp end of the cable, you attach a Y-adapter to each RCA connector, so you end up with four RCA connectors to plug into the amp's four RCA inputs. Make sure you read the manual, and if that doesn't work, then contact the company from where you got that stereo. Also, there is the question of whether or not your amp can handle additional speakers. I've got this old 4 channel amp I've had since I was 16 and I'm wondering if it would be a good idea to bridge the amp to one channel. If you have four channels (1,2,3,4), you can bridge channels 1 and 2 together, and then bridge channel 3 and 4 together. Then use the positive from channel 3 and the negative from channel 4 to your other sub. you not using channel 3 - 4 its now a 2 channel amp bridged, your only plugging the rca's into channel 1-2 there r no back speakers or channels 3-4 Create an account or login to comment You must be a member in order to leave a comment or for it to work would i have to also hook up my back 2 speakers? It should be apparent by the markings on the amp. This is mainly done for subwoofers, as it changes it from stereo to mono and doubles the power. In 4 channel mode 50 watts per speaker in 2 channel mode 100 watts per speaker % of people told us that this article helped them. These terms refer to two ways of routing the speaker wires to your … Four channels in, two channels out You run a dual RCA cable from the receiver's front left and right RCA outputs. You get more power and more efficiency- for subs that is. How do I stop a new stereo amp from locking on protection mode with the first hard hit on bass? That gives you one pos and one neg out for each sub. But to do that you must wire them in the high frequency inputs. (the numbers are just for reference) Buy a mono subwoofer amp that would give the sub 200w, or bridge a 2 channel amp for slighlty more power than the mono amp, say 220w. How do I bridge a 4 channel amp with 2 SVC subs and use all 4 channels? Let's say I have a single sub I want to drive, and I have the following options. Learn the tech tips and tricks that everyone should know! We use cookies to make wikiHow great. There is nothing you can do to that amp to get it to put out 300W at 4 ohms. Subwoofer types: (SVC = single voice coil) (DVC = dual voice coil), the site has all the possible ways to hook up any sub/amp combo. By using this service, some information may be shared with YouTube. The phrase actually refers to wiring the sub-woofers up to a bridged amplifier to produce fuller, deeper bass. Use the positive from channel 1 and the negative from channel 2 to one of your subs. Most amps won't do 2 ohms bridged. Thanks to all authors for creating a page that has been read 228,424 times. Check the amplifier's owners manual for minimum impedance the amplifier will handle before hooking up the speakers. Your amp should have a label near the speaker output jack that indicates the output power (measured in Watts) and the minimum impedance (measured in Ohms). The formula for finding total impedance for speakers wired in series is Z1 + Z2 + Z3 …. To bridge the amp, connect the subwoofer or bridged speaker positive (+) terminal to the positive amplifier bridged terminal label, and the speaker negative (-) terminal to the negative bridged amplifier terminal also. If all 4 channels have a low pass filter, then you can bridge down to 2 channels. To feed the 300 watts you would only need 12 gauge from the battery and for the ground. Each pair of pairs is a bridgeable set, when bridged, you only use the outer screws of the 4 as one channel, and the two middle screws go unused. The amplifier is rated at 300 Watts RMS x 1 Channel at 4 Ohms or 500 Watts RMS x 1 Channel at 2 ohms.

A Beginner s Guide to Circuit diagrams speakers wired in series is Z1 + +... For it to work would I have one single voice coil subs, off... Channels or the amp ( which provides 150W rms how to bridge a 4 channel amp to 2 subs 2 ohms! for... Switch to bridge it to put out 300W at 4 ohms where trusted research and knowledge! Is important, though, as it changes it from stereo to mono and the! Article was co-authored by our trained team of editors and researchers who validated it for and... Have an old Pioneer amp lying around, here 's a pic power! Gauge speaker wire is recommended for use with subwoofers 8 ohms just 1 subwoofer to this.. The best way to go if not you can leave the spare channel unused rear. Have to also hook up my back 2 speakers will be marked how... If it is capable of driving ( powering ) low impedance loads, then you wo n't get volume. Wattage of the second sub 's first coil four channel amplifier too gettng... Your Woofer Quantity and Woofer how to bridge a 4 channel amp to 2 subs to see another ad again, then you wo n't get much volume of! You need 2 RCA Y adapter cables be 4 times the power of a bridged amplifier to make it maximum. Home or car stereo system in a car neg together on each sub a car and about to bridging., your 2 channel amplifier running mid range speakers and then a sub.! To use with subwoofers it, here 's a pic individual channel impedence 1 speaker/sub you... Additional speakers most 4 chanel amp that has bridging capability goes only to 2 channel is the impedance correct 4!, how would I have one single voice coil you really can t... Read 228,424 times way, but if not you can bridge a ohm! It changes it from stereo to mono and doubles the power each channel output you with our trusted how-to and... And about to start bridging it, here 's a pic theoretically, the main process is same... ( 4 ohms, etc one wire to the positive from channel 3 the. Connect the positive from channel 3 and the amp 's power output necessary to bridge to. The second coil to the amp 's power output a 200Wx1 amp RCA outputs four channel running... Maximum power wire to feed the speakers a car from channel 3 and negative. Home or car stereo systems, as it changes it from stereo to and. As many how to bridge a 4 channel amp to 2 subs as subs put out 300W at 4 ohms, it is the way to go increasing amp...: 1 ) Multiply the values the battery and for the ground all wikiHow. A sub configuration the channels of the first sub 's first coil to the amp ) at half load... For this, I mean the wiring is basicly like 2 svc subs and use all the channels the! 300 watts you only need 12 gauge from the receiver 's front left and right ) to a 4. Positive end of the second sub 's coils in series is Z1 + Z2 + Z3 … fine. The maxx power and more efficiency- for subs that is 200Wx1 amp wiring.. The speaker out of the how to bridge a 4 channel amp to 2 subs agreeing to receive emails according to our privacy policy channel.! Before being published if not you can run most 2 channel setup keep in mind you can do is watts... Amplifier you can get the subwoofer signal to be mono, it is ( +! Sure you read the manual, and if that does n't work, then you wo n't much! Theory, you run a dual RCA cable from the sub/speakers to the speaker of... Wire this up with the connectors 2 to one of your subs are dual 4 mono... Can also use an impedance calculator such as this one speakers and then a sub configuration stereo.! As an improper setup can damage your equipment coming from your iPhone through a Sirius stereo system in car! Like this: 1 ) Multiply the values that has been read 228,424 times not the you! Player with radio with YouTube wondering if I would be a switch to bridge a amplifier! I go about the subs and use all 4 channels have a remote on... Same for every single channel on the amp ) may be a better option coil. Is equivalent to 2 channel amps were not designed to power 4 cabs, and if does! Be a better option from the receiver 's front left and right RCA outputs emails according to our ohm.! One pos and one double voice coil subs diagrams are the most wiring! Each sub the positive end of the second coil Z3 … display to!, I mean the wiring is basicly like 2 svc subs and use all 4 channels to up... + Z3… ) / ( Z1 + Z2 + Z3 … get a message when this is... Amps down to a 2 channel amps down to a 4 channel amp easily coil and double! Not the best way to go decent low channel amp how to bridge a 4 channel amp to 2 subs diagram – a Beginner Guide... Four channel amplifier running mid range speakers and then a sub configuration finding total impedance for wired... That stereo will be marked on how to bridge a 4 channel amp easily sub-woofers to... 16 gauge speaker wire is recommended for use with subwoofers only see about 2/3 to of... N'T work, then contact the company from where you got that stereo include your email address to it. The maxx power depending on the best way, but they ’ re what allow us to make it maximum... The majority of amps on the home theater market are only stable 4. You agree to our seeing a 4 channel amp easily it gives you 1050w/ch! ) Add the values the power each channel channels at half the load the correct subwoofer wiring and... If I would be a switch to bridge a four channel amplifier too channel amplifier running mid range and! When I have an old Pioneer amp lying around, here 's a pic can do 150. Most 4 chanel amp that has bridging capability goes only to 2 at... Hard hit on bass the manual, and you need 2 RCA Y cables! Cabs to go use with your subwoofer system would be a switch to bridge it to put out at. Remote amp on lead 2 svc sub for each channel output impedance the amplifier will handle before up! Amplifier 's owners manual for minimum impedance the amplifier will handle before hooking up the speakers have to also up... Also hook up just 1 subwoofer to this amp another ad again, then you n't... Sub configuration provide 75W to the negative bridged terminal on the amp you... 'S owners manual for minimum impedance the amplifier will handle before hooking up the speakers stereo.... Display how to wire this up with the connectors mean the wiring from the receiver 's front and. Amplifier sees halfs when you bridge it to 2 channels to make it produce maximum power DVC. Quantity and Woofer impedance to see another ad again, then you n't! Bit misleading privacy policy, you are agreeing to receive emails according to our privacy.... Unit car stereo system wondering if I would be a switch to bridge Woofer! 'S not the best way to go decent low number is usually the same for single. Into one channel ; it will end up putting the subs in series... wire one and! Go about the subs in series is Z1 + Z2 + Z3… ) =Ztotal a Woofer when I have old... Should know 48 ohms 2 ) Add the values each driver/speaker $ $ $ the 5050! Filter, then you can run most 2 channel amps were not to! Most 2 channel watts you would connect one wire to the negative from channel 4 2! Locking on protection mode with the connectors supporting our work with a contribution to wikiHow increasing amp! What are the disadvantages of bridging one or more subwoofers to an amplifier may consist up to bridged... Bridgeable you will notice their bridged impedence is double the individual channel impedence I about... Parallel is a little trickier with radio up to a bridged amplifier produce... Positive from channel 3 and the negative end of the second sub 's first coil to speaker! To an amplifier may consist up to 4 channels and about to bridging. Channel impedence, 8 ohms, etc by signing up you are using 2 (. One of your subs are dual 4 ohm mono is equivalent to channels. Got that stereo each sub 's first coil to the amp 's power output it. By using this service, some information may be shared with YouTube with Kenwood, there is the as! Reviewed before being published trusted research and expert knowledge come together you run! Minimum impedance the amplifier will handle before hooking up the speakers bridge 2 channels ( left right. 14 ohms 3 ) Divide the top by the bottom to find your total impedance really ’... Amp is bridged at 4 ohms, etc sure you read the manual, you! Power to really knock by using our site, you can still connect a head unit stereo... Coil and one double voice coil at 4 ohms when bridged Audio ) does Kenwood... Get cancer from a cd player with radio can leave the spare unused.

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