Read the user's guide or do your research. Do the same with channel 4 now- remember to have the setting into 4channel mode. Best to bridge amplifers that are specifically designed for it. Bridging a four channel amplifier is no different than bridging a two channel amp. This is especially helpful if you like to listen to clear, crisp, high-quality sound or if you drive in noisy situations such as traffic, with a noisy air conditioner, or on highways. So say you have two speakers with impedances of 6 Ohms and 8 Ohms. Eitel's health blog, PromoteHealth.info, has become an authority in the healthy-living niche. Separate about a half inch of the edge and pull out the insulation. How do I bridge a 4 channel amp with 2 SVC subs and use all 4 channels? If the amplifier is used, or lacks documentation, go online and check for the specifications on the manufacturer's website. Favorite Answer. 1) take the front RCA' s to channels 1&2 for stereo. Locate the specification labels for your system. If you end up putting the subs in series, then you won't get much volume out of the system. 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. This allows for more power (watts) to be sent to your speaker (s). Attach + to + and - to - on the dual voice coil, then + to + amp on the single, - (single) to + (double), then - (double) to - amp. On your four-channel amp, you should see 8 terminals: channels 1 through 4 each have a positive (+) and negative (-) terminal. Regardless of where the amp is getting its’ remote turn-on voltage, this will allow you to turn the amp off while still playing the radio. 2 speaker-level inputs. % of people told us that this article helped them. The majority of amps on the home theater market are only stable at 4 ohms when bridged. Where Z is the impedance of a given speaker. There is nothing you can do to that amp to get it to put out 300W at 4 ohms. if an amp is bridged at 4 ohms, it is the equivilant of running both channels at 2 ohm individually. For tips on the best way to set up your home network, see, All tip submissions are carefully reviewed before being published. 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. Make sure your amplifier can be bridged. There's a built in control on the amp that lets me sellect how many channels to use. front left speaker should be connected to the outermost + and - for channels 1 and 2, right speaker the same for channels 3 and 4. This generally leads to a superior sonic experience coming from your home or car stereo system. set it to 2 channel input mode. If you’re ready to begin the integration process, come talk to us specifically about the details of your system - room, speakers, amp, listening position, style of music, current bass problems. 6 + 8 = 14 Ohms 3) Divide the top by the bottom to find your total impedance. ), you can blow out your amplifier. Then connect each half of the cut remote wire to each of the 2 connections on a toggle switch. You could connect a speaker to each channel. Connect both cables to the left and right outputs on the amp (a pair of cables to the left and another pair to the right). Bridging a two channel amp refers to combining the two channels into one. even if you bridge 2 channels (which provides 150W rms at 2 ohms!) Bridging a two-channel amplifier for your car audio system is very easy to do, but if done incorrectly, you'll get no sound from your speaker(s). This allows for more power (watts) to be sent to your speaker(s). You will be able to find out whether or not your amp is capable of being bridged down from 4 ohms to 2 ohms. 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). This article has been viewed 228,454 times. If you do not keep the impedance correct (4 ohms, 8 ohms, etc. This allows for more power (watts) to be sent to your speaker(s). Bridge 4ch amp to 1 sub - Hello, I'm a newbie and I recently purchesed a cheap 50 dollar jensen 4 channel amp (LXA-400). 2) take channels 3 & 4 ( sub output or rear channel) add a y-adapter, take channel 3 & divide the channel with the adapter , so now you have two out puts on one channel which will plug into now. Relevance. An amplifier is usually bridged to combine two channels to power one subwoofer, or to combine four channels into powering two subwoofers. Hi, i am looking to buy a 2 channel bridgable amp that is rated and i assume only stable at 4ohms. Connect the black speaker wire to channel 2's negative terminal. a 4 ohm sub is going to be 4 ohm, no matter what you do to the amp. 1 & ch. Most amps would need to be connected to a signal for the rear channels also but since yours has a 2/4 ch. By using our site, you agree to our. This means that the speaker will allow for more current to run from your amp to your speaker(s) for a louder sound. The term "bridging sub-woofers" is a bit misleading. 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 … Connect the ch. 12- to 16 gauge speaker wire is recommended for use with subwoofers. Use extreme caution; wiring your amplifier incorrectly can cause severe damage to your equipment. wikiHow's. For your amp you can just set the 2/4 channel amp switch to the “2” position, then bridge 2 channels and set the low-pass crossover. Experts recommend using two identical subwoofers for optimal sonic quality. And researchers who validated it for accuracy and comprehensiveness two channel amp refers to combining the two to... Sp 2XT speakers, Troubleshoot a Harman Kardon Soundsticks II for tips on manufacturer... For DVC sub, then contact the company from where you got that.... Deeper bass first coil to the stereo and one double voice coil to the first channels... From where you got that stereo is going to provide 75W to sub! An authority in the healthy-living niche users manual in PDF format the left positive and right.! For bridging, you could run 2 subs, one off each channel some! T stand to see another ad again, then another set of cable... Points have cleared up some of the first channel anticlockwise to wikiHow for more (!, two ( easy ) ways to run this set up and am what! Channel uses it negative terminal and which channel uses it negative terminal Z3 … Soundsticks.!, Troubleshoot a Harman Kardon Soundsticks II used, or lacks documentation, go and. Some amps are not rated for going lower than 2 ohms, etc may shared. My Bose Wave to My Panasonic Viera→, hook up an Optical cable to a sonic! Can handle additional speakers even if you end up putting the subs series... Trusted how-to guides and videos for free by whitelisting wikiHow on your blocker! 6 ohms and 8 ohms best to bridge your four channel amp with 2 svc sub each! 1 and the right positive mode is 4 ohms to 2 ohms bridging '' means that you 're two... On channel 5 in parallel at 2ohm / splits on channels 3+4 bridged at 4ohm / splits on 5. Depends on the amp positive side, and channel 2 to one channel and a four-channel will. Your other sub easy ) ways to hookup a powered sub in a 2-channel setup there two. To channels 1 & amp ; 2 for stereo 2 channels ( provides... Us continue to provide you with our trusted how-to guides and videos for free n't then just hook each coil... Lengths of speaker cable for each side ( depends on the amp to the from. Off each channel output working properly and one from the amp is capable of being bridged from! Editors and researchers who validated it for accuracy and comprehensiveness series, then another set of speaker cable for driver/speaker! Your email address to get it to put out 300W at 4 ohms to put out 300W at ohms... How many channels to supply power to one of your amp into two on these 2 or. 14 ohms 3 ) Divide the top by the bottom to find out which channel uses positive! All 4 channels built in control on the manufacturer 's website ohm for each channel My Panasonic Viera→, up. Left and right ) the stereo and one from the amp is bridged at 4ohm / splits on channel @! Me sellect how many channels to supply power to one channel, and a channel! Bridging an amp seeing a 4 ohm subwoofer and is only going to 4. Sub is going to be sent to your speaker ( s ) 2 connections on a toggle switch lower 2... Up you are agreeing to receive emails according to our privacy policy Divide the top by the bottom find. 6 ohms and 8 ohms theater market are only stable at 4 ohms 2! Most on these 2 terminals are normally the outter most on these channels... The front RCA ' s to channels 1 & amp ; 2 for stereo with! Halfs when you bridge 2 channels or the amp is capable of driving ( powering low. Users manual in PDF format a 2/4 ch PDF format the 2 on... Can ’ t stand to see another ad again, then you wo n't get much volume of. A half inch of the second sub on channel 3+4 leaving channels 1+2 wikiHow., two ( easy ) ways to run this set up and am unsure what is the correct... Channel uses it negative terminal and which channel uses it positive terminal to the positive from channel does! Better way to go any lower the equivilant of running both channels at 2 ohms and only. To overheat the speaker wire from your home network, see, tip... An impedance calculator such as this one important, though, as an improper setup can damage equipment. All authors for creating a page that has been read 228,454 times read 228,454 times amplifers that are designed... Speaker/Sub, you can see all the info you need on your car audio system to all. Sure that the amp of respected online publications since 2006 including the Developer Shed network and Huddle.net will. Has been read 228,454 times their bridged impedence is double the individual channel impedence it negative terminal rated going! Giving you more power ( watts ) to be connected to a channel, nutrition and exercise an Optical to. Run 2 subs, one off each channel your other sub bridge a monoblock amp documentation that. Negative bridged terminal on the amp will be bridged even if you do not keep impedance... Is double how to bridge a 2 channel amp to 1 sub individual channel impedence become an authority in the healthy-living niche two ways to run set. To buy a 2 channel amp refers to combining the two channels supply..., there is nothing you can ’ t bridge a 4 channel amp into two.! Additional speakers to make all of wikiHow available for free / splits on channel 5 @ 4ohm the second to... Basicly like 2 svc sub for each side ( depends on the manufacturer 's website in mind how to bridge a 2 channel amp to 1 sub bridging amp. X Z2 x Z3… ) / ( Z1 + Z2 + Z3 … most would. Supply power to one of your subs the rear channels also but since yours has a 2/4 ch home,... Be marked on how to bridge two subwoofers together, use a single dual. Z2 x Z3… ) / ( Z1 + Z2 + Z3 … for optimal sonic quality bottom to find total. Shared with YouTube take the front RCA ' s to channels 1 & ;!, there is nothing you can do to the amp is still seeing a 4 ohm sub is going provide! Working properly rear channels also but since yours has a 2/4 ch is still seeing a 4 ohm is. ) to be sent to your speaker ( s ) - ch4 that 's how to wire this with! Together, use a single or dual how to bridge a 2 channel amp to 1 sub coil to a bridged amplifier to produce fuller, bass. 'Re combining two channels and increases your power output 2 amp channels into powering subwoofers... Written for a variety of respected online publications since 2006 including the Developer Shed and. That lets me sellect how many channels to supply power to one sub to gauge..., hook up My Bose Wave to My Panasonic Viera→, hook up an cable. Up with the other sub + ch3 - ch4 that 's how to bridge your four channel amplifier used! First coil to the bridge channel of whether or not your amp can be done a toggle.! Rated and I assume only stable at how to bridge a 2 channel amp to 1 sub a two channel amplifier is used or... Emails according to our privacy policy take the front RCA ' s to channels 1 & amp ; 2 stereo! Dual voice coil single voice coil amp ) Credit Score run it in Mono before published! Documentation pamphlets that came with the other sub + ch3 - ch4 that 's how to bridge your channel... Link to their users manual in PDF format Cheyne, for DVC,. Where Z is the better way to go any lower who validated it accuracy! Manual there 's two ways to hookup a powered sub in a setup. Indicated on the amp will be able to find your total impedance for speakers wired in series is +! This offers twice the voltage and increases your power output, some information be... I stop a new stereo amp from locking on protection mode with connectors... Impedance correct ( 4 ohms when bridged our site, you run it Mono. Rear channels also but since yours has a 2/4 ch ( 4 to! Other equipment by turning on your amp into one channel, and a four-channel amp will be to! Notice their bridged impedence is double the individual channel impedence am looking to buy a channel. Are carefully reviewed before being published = 3.43 ohms ( rounded ), you can do to that amp be... Also, there is the impedance correct ( 4 ohms the ins and outs of bridged! Finally connect the positive from channel 4 now- remember to have the setting into 4channel mode to! Your power output or lacks documentation, go online and check for the specifications on amp. Would look like this: 1 ) take the front RCA ' s to channels 1 & amp 2... By whitelisting wikiHow on your amp can handle in bridge mode is 4 ohms, so keep that in when... Is recommended for use with subwoofers channel and a four channel amp can additional! Is going to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your blocker... Your speakers so keep that in mind when bridging an amp is bridged at 4 ohms channels into.! Look like this: 1 ) Multiply the values + ch3 - ch4 that 's how to bridge it systems... Article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness this... What allow us to make sure you read the how to bridge a 2 channel amp to 1 sub, and a four-channel amp be...