= Ztotal. You could connect a speaker to each channel. 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. It is (Z1 x Z2 x Z3…) / (Z1 + Z2 + Z3…) =Ztotal. Where Z is the impedance of a given speaker. Most amps will display how to wire this up with the connectors. The majority of amps on the home theater market are only stable at 4 ohms when bridged. Whould this cause a lot of strain on my sub I'm hooking it up to? If you are wiring the coils in parallel then run a wire from the first positive terminal to the second positive terminal and a wire from the first negative terminal to the second negative terminal. Most amps won't do 2 ohms bridged. Theoretically, the output should be 4 times the power of a single channel on the amp. Check the amplifier's owners manual for minimum impedance the amplifier will handle before hooking up the speakers. This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness. How do you think about the answers? If you're only using 1 speaker/sub, you run it in Mono. 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. 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For DVC sub, the wiring is basicly like 2 svc sub for each driver/speaker. It should be apparent by the markings on the amp. Thanks to all authors for creating a page that has been read 228,424 times. (you'll know by looking at the maxx power and WRMS of the sub and the amp). 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. In most cases, you only need 2 RCA Y adapter cables. 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. This is an example of a 2 channel amplifier running mid range speakers and then a sub configuration. So in theory, you could run 2 subs, one off each channel output. 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. This time it would look like this: 1) Multiply the values. If in series (amp - to - 1st sub, + 1st sub to - 2nd sub, + 2nd sub to + amp), you get 8 ohm load. This is mainly done for subwoofers, as it changes it from stereo to mono and doubles the power. % of people told us that this article helped them. Remember: 4 Ohm mono is equivalent to 2 Ohm stereo. Your amp is stable down to 1 ohm. Select your Woofer Quantity and Woofer Impedance to see available wiring configurations. Also, there is the question of whether or not your amp can handle additional speakers. Series wiring and parallel wiring. How do I bridge a 4 channel amp with 2 SVC subs and use all 4 channels? If you look at the amp it will probably be 2 pairs of screws side by side, then some adjustments, then 2 more sets of screws. If all 4 channels have a low pass filter, then you can bridge down to 2 channels. We use cookies to make wikiHow great. Well, your subs are dual 4 ohm voice coil subs. Bridging amps is a common process in car stereo systems, as it allows for increasing the amp's power output. Connect the positive end of the first sub's first coil to the positive end of the second sub's first coil. Thus in effect doubling the power each channel, say you amp was 200 watts. 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. You can still connect a head unit car stereo with only 2 channels (left and right) to a 4 channel amp easily. At 150 watts you only need 14 gauge stranded wire to feed the speakers. If you bridge an amp, you are using 2 channels to make 1. Most car stereo amplifiers can do 2 ohms. Make sure you read the manual, and if that doesn't work, then contact the company from where you got that stereo. Bridging the channels increases the power output. Use the positive from channel 1 and the negative from channel 2 to one of your subs. 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. Include your email address to get a message when this question is answered. 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. Mono block amps are sub amps. It depends on the amplifier. If you learn to bridge a two-channel amplifier you can bridge a four channel amplifier too. wikiHow's. You get more power and more efficiency- for subs that is. The results will display the correct subwoofer wiring diagram and impedance load to help find a compatible amplifier. But to do that you must wire them in the high frequency inputs. 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). 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 ), you can blow out your amplifier. wikiHow is where trusted research and expert knowledge come together. 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. 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. A 50Wx2 amp bridged would act as a 200Wx1 amp. The following diagrams are the most popular wiring configurations. For tips on the best way to set up your home network, see, All tip submissions are carefully reviewed before being published. This means that the speaker will allow for more current to run from your amp to your speaker(s) for a louder sound. It it NOT necessary to bridge a multi-channel amplifier to make it produce maximum power. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. Then use the positive from channel 3 and the negative from channel 4 to your other sub. 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. You cannot bridge those two channels into one channel; it will end up destroying your amplifier. Bridging is simply one option. (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. The best you can do is 150 watts to the speaker out of a bridged 4 to 2 channel setup. http://www.crutchfield.com/S-TAmvZqGPEq6/learn/lea... Will I get cancer from a cd player with radio? that way you use all the channels of the amp and you still have the sub gettng enough power to really knock. 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. If you do not keep the impedance correct (4 ohms, 8 ohms, etc. 2ohm stable..Here are the sepcs SPECIFICATION 2-Channel 310W x 2 RMS @ 4 ohm 370W x 2 RMS @ 2 ohm

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