the amp is still seeing a 4 ohm subwoofer and is only going to provide 75W to the sub. Basically, when you bridge an amp you use the + terminal from one channel and the - terminal from the other. What amp is it? Where two channel amplifiers have separate controls, and are switchable to bridge mode, only the controls on one channel will be operational. Since each sub gets a channel, you will also look at the 1 Sub section on the chart. For stereo (bridging to run my midbasses), has anyone got the answer to this before I call Alpine. How to Bridge an Amplifier: 7 Steps (with Pictures) - wikiHow Will I get cancer from a cd player with radio? I have an '88 civic with stock door speakers, 2 6x9 Renegade speakers for rear, a Rockford Fosgate P1 12" sub, a Rockford Fosgate Prime R300-4 amp, and a Kenwood KDC-X595 head. Ok, I have a 700 watt interfire 4 channel. 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. Locate the four terminals where the speaker wire hooks up to the amp; there will be a positive and negative terminal for each of the two channels of the amp. You will have an end result of 4-ohms. is suitable, should I wire it up as each front 6-1/2" speaker to channel-A, each rear speaker to channel-B and the 5th (sub.) Doesn't the amp have to be specifically deisgned to bridge 2 channels? What should the selector be set to, how are the speaker wires connected and how should the two Ys be plugged in? If you bridge an amp, you are using 2 channels to make 1. This is mainly done for subwoofers, as it changes it from stereo to mono and doubles the power. It will work. Normally, your 2 channel is running at 4 ohm for each channel. You're better off buying a new 2 channel or monoblock amplifier. You can't connect a subwoofer if there isn't any jack for it. If you have a two-channel amplifier in your car’s system, you should be able to see 4 terminals; two positives and two negatives. Your amp probably has a line level (like a headphone jack) sub output, so you can just buy any active subwoofer and plug it in through that. And one final thing. Get a dual voice coil sub and power it with your 4 channel amp that you have wired for two bridged outputs. bridged to the sub? Bridged is simply putting the positive wire of sub on the positive side of channel 3, and the negative wire from sub, to the negative of channel 4 of your amp. Favorite Answer. Check the amplifier's owners manual for minimum impedance the amplifier will handle before hooking up the speakers. You can, however, it'll be no different than bridging it normally on one side. Good Luck! Nick C from Pensacola. Be sure to check the amp’s bridged wiring instructions! if you do not have access to a digital multimeter then you cant really even do anything correctly with your set up. Thanks. Assuming we connect the Sub by bridging two channels. Trump is trying to get around Twitter's ban, Woman dubbed 'SoHo Karen' snaps at morning TV host, Official: Trump went 'ballistic' after being tossed off Twitter, NFL owner's odd declaration alters job openings rankings, 'Punky Brewster': New cast pic, Peacock premiere date, Clooney: Trump family belongs in 'dustpan of history', Student loan payments pause will continue: Biden official, GOP senator becomes public enemy No. The same with the other sub + ch3 - ch4 that's how to bridge your amp. Before attempting to bridge your four channel amplifier, make sure, it's bridgeable. (Well we have another ep first that will be finished this week, but then the next one is the headunit which is in post production now). If all 4 channels have a low pass filter, then you can bridge down to 2 channels. a 4 ohm sub is going to be 4 ohm, no matter what you do to the amp. Each front amp channel is wired with 2 speakers in parallel for 2 ohms per channel. If you try to make run like a 1 channel amp, I'm afraid it won't be stable, if it even works that way at all. How to Bridge your Amplifier. All times are GMT+10. I have not yet seen in 16 years of stereo installation a 4 channel amp that wil bridge to 1 channel. System 2: 2 speakers in parallel to each front channel = 2 Ohms x 2 + 1 subwoofer wired for 4 or 2 Ohms on the rear channels bridged for more power. Most amps will display how to wire this up with the connectors. Our next ep is a full head unit install. or should I run it UN-bridged with two seperate sets of wires from the Amp's sub channel with one of each going to only one of the voice-coils on the sub? Before attempting to bridge your four channel amplifier, make sure, it's bridgeable. Then you will run your sub, bridged, on the last 2 channels. You can wire each rear channel to each voice coil separately(4 ohm each), but it will be under powering the sub when the volume is up high. How loud is a 24,000 watt system with 3 18's? Does the P777 have such an option? If in series (amp - to - 1st sub, + 1st sub to - 2nd sub, + 2nd sub to + amp), you get 8 ohm load. Unfortunately, you only see about 2/3 to 3/4 of this power. The same with the other sub + ch3 - ch4 that's how to bridge your amp. For DVC sub, the wiring is basicly like 2 svc sub for each driver/speaker. so can i wire them to higher ohm. Theoretically, the output should be 4 times the power of a single channel on the amp. If you're only using 1 speaker/sub, you run it in Mono. If you try to bridge an amp that is not designed to be bridged, you can damage the amp. Not every power amp on the market does, that is for sure. A 4 channel amp should work just fine for what you are trying to do. 1 on Capitol Hill, Unhappy soccer player's troll attempt backfires, Relative of woman trampled at Capitol blames Trump, Men in viral Capitol riot photos arrested. The front and rear speakers are running parallel off the front, and the sub is bridged off the rear. Final Words. How do I add two speakers and a subwoofer to a two channel amp? Lorenzo is back and is going to show you how to wire your Speakers and Subwoofers to your Amplifier!! lol and dw i wnt blame u, I believe its OK to use 1 channel pair for speakers, and the other for a sub, but I'm not sure as I don't setup amps very often. had two x-15 have them wired down to 1 ohm running a sundown sbf-5000.1. In reality, most amps are only stable at a 4 ohm load in mono/bridged configuration. Get your answers by asking now. Use channel 1 and 2 to run your interior speakers. If that Amp. Connect the red speaker wire to channel 1's positive terminal. Do not bridge more than two channels at a time because bridging will produce too much current and the power supply will not be able to handle it. Question . Still have questions? 4 channels and 2 subwoofers are pointless if you want to use all 4 channels. Make sure that your amp is bridgeable otherwise even two channels bridged can cause excessive current and high heat. Channel 1 will be labeled A for positive and B for negative while channel 2 will be labeled C for positive and D for negative. I have a apline 4 channel amp and a mono amp for 2 10" alpine subs svc @4 ohms each .what would be the best way to wire both amps up to get the most out of them .Ps. some have switches, some have diagrams on em too. I have got 2 12" Sony Xplods with 4 ohm impedence. It pushes 400w x 2 @ 2ohms and it pushes 800w x 1 @ 4 ohms bridged. If you're using a single voice coil (1 + and 1 - on sub) sub, then you can only bridge 2 of the 4 channels to it. Right now I have two channels bridged to the sub and the other two channels power the 4 doors. Not complicated. If that Amp. You can not bridge the 2 rear channels of this amp when the load is 2 ohm. Not exactly an expert on car audio. For example, a 2 channel amplifier that is 1 ohm stable per channel would have a minimum impedance of 2 ohms when bridged. This means you will connect the positive wire to terminal A while the negative wire is connected to terminal D. For sub 2, connect the positive lead wire to terminal E while the negative lead should go to terminal H. Now your amp is bridged! For example, a 2 channel amplifier that is 1 ohm stable per channel would have a minimum impedance of 2 ohms when bridged. Could my sub be affecting my 4 channel amp because of the line level adapter I used to hook it up. Bridging is take the + from channel 1, and - from channel 2. If its a 4 channel, you can get 2 channels out of it bridged. Do the same with channel 4 now- remember to have the setting into 4channel mode. If you amp is bridgeable you run + sub wire to ch 1 + then the -sub wire to the - of ch 2 of the amp. You will run your 6x9s off of channel 1 & 2. 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). The watts won't get you in as much trouble as the ohms will. Your sub is likely Dual 4 ohm voice coils, so in that case no, you can't (unless you want to bridge to 8 ohm with a pretty considerable loss of power) If you subs happen … They show a typical single channel wiring scheme. 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 Mike, It sounds like you have your sub connected to a bridged 2-channel amp, which cannot take the 2-ohm load on its output and so overheats. Subwoofer types: (SVC = single voice coil) (DVC = dual voice coil) the site has all the possible ways to hook up any sub/amp … This number is usually the same as the combined power of the 2 channels at half the load. 1) take the front RCA' s to channels 1&2 for stereo. There's a built in control on the amp that lets me sellect how many channels to use. Join Yahoo Answers and get 100 points today. I also have a pair of comp.speakers infinity I got from u . The instructions that came with the amp should describe which terminals to use. 2. The rating on the amp is 300W x 1 channel @ 4 ohms and 500W x 1 channel @ 2 ohms. :P Today's receivers are jam-packed with features, the one thing they lack is power. The manual doesn't show how to bridge for stereo. Check out … 6 speakers 4 channel amp wiring diagram – A Beginner s Guide to Circuit Diagrams. 2000 Avalon radio will it for on a 2002 Siena? and further how to correctly output to amplifiers. Right now, i just have speaker A hooked to 1st channel and speaker b hooked to 2nd channel. Assuming we connect the Sub by bridging two channels. Is my vehicle compatible with this aftermarket stereo? I’m installing 4 channel amp with rca for signal. wow thanks man that actually makes sense to me...thanks heeps bro il give the bridging thing a try.. lol wats the posibility that il **** the whole systemm up? also some are 4 ohm when bridged, others 2 ohms. Hey mate, saw this up on the PGA site aswell. or should I run it UN-bridged with two seperate sets of wires from the Amp's sub channel with one of each going to only one of the voice-coils on the sub? yes you can wire it to only 2 channels but you cannot run 2 4 ohm speakers in parallel, bridged to the amp. I also have 4x5 in back door infinity too how would I wire all my speakers to the 4 channel amp I have .thank you very much If Bob were to use two 5512-44 subwoofers they could be wired at either 4 ohms or 1 ohm, which would not be enough power at 4 ohms and at 1 ohm would cause damage to the amplifier. An amp like you describe would be 100x4@4 ohms and 200x2@2 ohms. The power/ground wire to the amp isn't big enough. Thanks . You'll get better sound from them for pushing subs anyway. Normally, an amplifier may consist up to 4 channels. My question is do i need to run all 3 RCA in DSP or just 2 ? i have a 4 channel amp but need all the rms to run 1 sub, Thanks for any answers and i will choose best answer. How to: Double your home theater receiver's power. https://cuttingedgegamer.com/?a=sergeantpope Need more help? Answered by Dog Lover's husband who is an electronic engineer. In fact, I would prefer that setup to a 2 amp setup. Give model numbers of subs (speakers) and amp to get a detailed idea on what way to do it. Very simple. Thanks! According to the chart, a bridged four channel amp is classified as a two channel amp. Let’s get started. The chart tells us that a 4 ohm dual voice coil wires to 2 ohms or 8 ohms, not 4 ohms. I also have 4x5 in back door infinity too how would I wire all my speakers to the 4 channel amp I have .thank you very much I also have a pair of comp.speakers infinity I got from u . Give model numbers of subs (speakers) and amp to get a detailed idea on what way to do it. The gain is turned up too high. If it's cutting off, then either; 1. If you have one and about to start bridging it, here is the procedure for you. This is how you can bridge a 4 channel amp to 2 subs: A very first look at a circuit representation may be confusing, yet … Basically, the main process is the same for every single channel. Bridging your amp combines 2 amp channels into one, giving you more power. So in theory, you could run 2 subs, one off each channel output. bridged to the sub? A 50Wx2 amp bridged would act as a 200Wx1 amp. A very first look at a circuit representation may be confusing, yet … The four channels will not be balanced and the distortion will be very high. Thanks for any answers and i will ... Lv 5. First, make sure that the amplifier you have is bridgeable. Normally, your 2 channel is running at 4 ohm for each channel. would be sick to start installing more often. Can we connect the remaining two channels in parallel to say right (front and back) and Left (front and back) The watts won't get you in as much trouble as the ohms will. also some are 4 ohm when bridged, others 2 ohms. 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. channel on the Amp. Connect the black speaker wire to channel 2's negative terminal. Four channel amps are not made to be dedicated sub amps, and not ideal. If its a 4 channel, you can get 2 channels out of it bridged. Or get an subwoofer that has a 4 ohm SVC or get a 2 ohm DVC. and if so would i need a larger amp to get the max output. Read the user's guide or do your research. 1 decade ago. 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