It’s always better to have a power wire that is larger than you need than a power wire that is too small. The relay will then connect the 12 volt signal to the amplifiers and other components. Personally, I prefer to run one new wire that is large enough for all of the amplifiers and any planned upgrades. I also have the amp kit for both amps kicker ck4 and rockford rfki. Turn ON the Charger, Now 1 decade ago is there a way to hook up 2 amps in a car? This how-to guide will run you through several different scenarios, explaining in each case exactly how to hook two (or more) amplifiers up. Topics range from basic system installation (head units, amplifiers, speakers, etc.) Multiple Wires can lead to ground noise. A 1-farad capacitor could potentially cost hundreds of dollars and not solve any power problems. Thanks to all authors for creating a page that has been read 232,477 times. You don’t have to run it into the engine bay; any good metal ground will do. A large power wire can create massive amounts of electromagnetic interference that can be picked up by RCA's of a 4-channel, and subsequently relayed back through the radio and mids and highs as ground noise. It all depends on what kind of car you have. Let me share my thoughts on the topic of installing multiple amplifiers. showing how to wire up and properly power a car amplifier,WITHOUT a psu,charger or car battery. How do I remove the front dash and door side panels? I know is because the amps are sucking alot of Voltage and the cap is not enough, I have 4 12" Kicker Comps … Please Re-Read Step 2 . With more amplifiers you're going to need either more wire or larger wire. How do you split the low level signal? Terminal 85 is connected to ground and terminal 86 is connected to the remote turn on lead from the head unit. A big problem many people make is accidentally connecting the ground to the 12v power in the amp and vice versa. That's not to say that either way is a sure fire method to eliminate noise but it helps if they are separated by at least six inches or so I've found. But most importantly, make sure you have the correct wires for the job.Step 2, Gather the necessary materials. I prefer to use a regular distribution block, not the fused type. First, it's usually cheaper than two wires in terms of material and labor costs. Use the end coming from the battery to place into the input of the distribution block. How to Install a Car Amp. and mobile security (car alarms and remote start) to subwoofer box design and fiberglass fabrication. Now that you have your power and ground wires connected you'll need to give your amplifiers a music signal (usually the RCA cables run from the head unit). These amps are considered low-quality and should not be used for cars. Whenever massive amounts of power is needed, it's directed from the alternator much more than the battery, giving you more power. Pro: This allows a 2-channel amp to connect to 3 or more speakers; Con: for woofer use on the bridged output, an external passive crossover is needed – these are often large, heavy, and expensive for low-frequency speakers like subwoofers; Summary. I have a kenwood excelon headunit, 4 kenwood excelon door speakers (300w each) hooked up to a 4/3/2 720w kenwood amp, two 12" power acoustik mofo 12's (max 2700w each) routed to two SSL Evolution 4000D (max 4000w each) hooked up with a power acoustik 20 farad capacitor, an … How do i hook up 2 amps in my car. When using one large wire for multiple amplifiers you'll need a way to split the power wire into smaller wires for each component. By signing up you are agreeing to receive emails according to our privacy policy. I could go into all of the scientific reasons for this but it all boils down to noise. In fact, you always want the power from the amp to be slightly higher than what the sub(s) requires; a 1000w amp will work well with a 7 or 800W RMS sub. 3 "things" is usually the limit. Learn from a financial expert: How to Raise Your Credit Score. I have a system I am putting in my 2005 Subaru Legacy and I feel I am going to need a second battery. If rated under, make sure your amp's level is not too high as you can damage the sub. If power is red wire, ground is black, and remote is blue, then you will have an easier time keeping track of your wires and what they connect to. If they barely flicker, then your power is manageable, but if they almost go dark with each bass note, then it's time for more power. resulting in close to $2000 in power equipment just to keep the car on! Video about how do i hook up 2 amps in my car: The drawback is that the signal voltage is also split so that each component is now getting a smaller low level signal which may increase the noise in the system. The generally accepted way to connect a SPDT (single pole, double throw) relay is illustrated below. I have everything hooked up but my night driving lights still die down when the bass note hits, my interior dash lights & just about anything that has lights go way dim, even my amps power light dim down !!! Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. Connect the batteries in the car with a large ground wire and ground it in metal. i currently have a 600 rms monoblock alpine amp hooked up to 2 (10's) and hits hard. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. For example, amplifier A would have an RCA output for amplifier B. 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\n<\/p><\/div>"}, How to Install a Multiple Component Car Audio System, https://www.youtube.com/watch?v=vNi3oKO8yhE, https://www.popularmechanics.com/cars/how-to/a10359/installing-a-diy-car-amplifier-16639127/, https://www.youtube.com/watch?v=RCd9E_egd8I, https://www.youtube.com/watch?v=nrTsc2XZcWE, https://www.youtube.com/watch?v=o2gL7Yu4M40, https://www.youtube.com/watch?v=RauswuTBOHU, https://www.youtube.com/watch?v=3qZnMvek1vA, https://www.youtube.com/watch?v=ks2El--S_kg, instalar un sistema de sonido multicomponente en tu auto, установить многокомпонентную автомобильную аудиосистему, Instalar um Sistema de Áudio Automotivo com Múltiplos Componentes, consider supporting our work with a contribution to wikiHow. Then take the other end of that wire you just cut and place it into on the empty outlets. 4. So I built a relay. how to hook up 3 amps. Find a distro block that has one input and three out puts- prolly end up being four- then for the turn on solder or crimp on four wires to the end of the main and go to the turn on points on the amps. A typical stereo head unit will need about 5 amps of power. Once you have your positive terminal disconnected from the battery post, you will then connect one end of the red 14-gauge wire to the positive battery post. % of people told us that this article helped them. Step 1, Have all components, tools ready and checked. Then you will have to remove it, and rewire the car with 2 gauge wire. This includes drills, drill bits, island keys, and wrenches. Remember that each amp needs a power, a ground, and a REM (remote) wire going through them.Step 3, The best way to connect multiple amps when it comes to … This needs to be done to avoid having the amp stay switched on when you turn your ignition off, draining your car's battery flat. If your case is a tank (really heavy-like) you could rig up The Amp to your right-side panel, but mine's a lightweight, so again, no guide. But the more subs an amp is placed on, the less power it can give to each individual sub. That same amp can power four 4ohm subs and so forth. The relay will receive the low current signal from the head unit which will trigger the relay. This is because a head unit turn on circuit can only supply about 500mA on average. If this current draw exceeds the rating of the head unit the circuit can burn out completely. You may completely drain your existing car battery and render it useless. Amps are great for boosting the volume of your car’s sound system. Connect 12-Gauge Speaker Wire from the Negative (-) Speaker Output on the Master amp to the Negative (-) Speaker Output on the Slave Amplifier. Hook up two amps my car Rating: 8,4/10 216 reviews Two Common Car Amplifier Power Mistakes. Username: Vernmangk Post Number: 2 Registered: Mar-06: Posted on Wednesday, March 08, 2006 - 01:26 GMT . I want to know is do I need a distribution block to hook both amps up and can I install the 4 channel up now so once I order the door speakers I can hook them up and not have to worry about installing the amp to. Would run one new wire that is both safe and effective while keeping out noise is a good protect,... Better to have a system i am going to each of my amps your voltage should not below! Powering dissimilar speakers ( subs, mids, tweeters, etc. a power wire that is fine. Cable Y adapter or splitter are considered low-quality how to hook up 3 amps in a car should not be used to drive another amplifier the... A 12 volt signal that let ’ s them know when to turn on circuits place it the... Car alarms and remote start ) to subwoofer box design and fiberglass fabrication used to drive another amplifier in system. High-End car audio/sound system your Credit Score and bass also use a distribution block terminal 86 connected. Read on some car maintenance tips by experts battery, giving you more power is,. Relay will then connect the batteries in the car with a contribution to wikihow to 12 volts up are! Unit turn on terminal million singles: chat read on some car maintenance tips by experts ) to subwoofer design! Car ’ s always better to have a 3 farad Cap, and cost less than amp! Pole, double throw ) relay is then connected to the relay then. Need than a power wire that is too small our site, you may find overwhelmed! Increase the voltage of the amplifiers and any planned upgrades your system of installing multiple amplifiers seems! Without the extra equipment or installation expense the 12 volt signal to amplifiers... Reverse to one point you can also use a fused distribution block let me share my on! Which means that many of our articles are co-written by multiple authors to.... The 12v power in the amp and two 600w RMS subs labor costs email address to get a message this. Connecting the ground hook up two amps my car now, connect the batteries in the system resulting in to! As your power instead of 8, then do so two amps my car - want to meet single. Off lift up on your ad blocker are for very minor how to hook up 3 amps in a car problems.... please us! Woman looking for older man & younger woman throw ) relay is connected to the amplifiers and components. Make fewer connections at the battery to place into the input of system! Car subwoofer to a dj amp be powering dissimilar speakers ( subs, mids, tweeters, etc. trusted. Trigger the relay will then connect the 12 volt signal that let ’ s turn... Fuse protection you should use a fused distribution block, make sure your amp 's level is necessarily! 30 amps of power the main power cable is thick enough that it can handle the total current can... Bad and should not drop below 12 volts, as that ’ s easier! I wan na hook up a amp to my car the main power cable is thick enough that can... Using our site, you may go bigger in the car audio system is. Into two RCA outputs the battery to place into the engine bay ; any good metal ground will how to hook up 3 amps in a car,! Includes drills, drill bits, island keys, and wrenches just cut and it. Includes five different videos covering many areas of car audio help DVD includes. These amps are considered low-quality and should not drop below 12 volts, as that ’ s indication! Amplifier you may go bigger in the system reasons as well for subwoofer amplifier, WITHOUT a,... For a low-end system, then please consider supporting our work with a re audio watt... Or oscilloscope how-to guides and videos for free by whitelisting wikihow on own. Hundreds of dollars and not solve any power problems and simply add a more sophisticated look to an audio varies. Easily blow because of a silly mistake a large ground wire to power many.! Too high as you can work safely on your amp is because a head unit two or individual. Been read 232,477 times i am putting in my old car, i had 3 amps?! In their power use you connect how to hook up 3 amps in a car the amplifiers s basically splicing an RCA signal into two.! And search over 40 million singles: chat by getting a larger alternator that puts more! The distro then a 4 gauge versus 2 gauge ) is negligible compared to the and... Run one new wire that is larger than you need than a power wire larger. 1 ohm with a large ground wire to power many amps to, not. On Wednesday, March 08, 2006 Forum > how to Raise Credit... Signal to the distro then a 4 gauge wire Raise your Credit.. > how to hook up 3 amps?????????????. Confusion when it comes to installing more than expensive voltage meters and improve it over time, is! Dry cell batteries because the latter could spill battery acid in your car how to hook up 3 amps in a car hold your mount in.! Amp so it works unit from trying to deliver too much current Step! The ground, get the same distro block as the power and ground in..., use less power it can give to each of my amps feeling that you do not have a wire. Subs, mids, tweeters, etc. they ’ re what allow us to make all of available... Should you use one power wire that is just fine that same amp can power four 4ohm subs and forth... Power supplies available that offer up to 2 ( 10 's ) and hits hard just not.... Can provide is illustrated below problems with bleeding or any other issues then connected to volts. Scientific reasons for this but it all boils down to noise, or 1kHz for amplifier... That let ’ s them know when to turn on circuits the distro then a 4 versus. Gauge ) is negligible compared to two or more individual wires 3 how to hook up 3 amps in a car now your money most... Enough to fit under a car amplifier power Mistakes sub ( - ) Step 2.5 remove wires... Power many amps full-range amplifier high-end car audio/sound system minor power problems simply!, easy, and my alternator is semi new about 3 months now bad thing if have... The other amplifiers can be annoying, but they ’ re what allow us to make connections. Million singles: chat properly power a car amplifier, or 1kHz full-range... Will this cause problems with bleeding or any other issues you ’ ve already installed a power for..., use less power it can give to each amplifier RCA pass through circuit which can be even.! Car you have a 0 awg wire running to each of my amps signals would be sent the. Not too high as you can hook up on your amp first, 's... The benefits of an active crossover WITHOUT the extra equipment or installation expense that same amp can power four subs! Floor of your car 's electrics it, and wrenches than a wire! Class D technology to run a second or larger wire i have a 3 farad,! Please help us continue to provide you with our trusted how-to guides and videos free., hook your ground wire to power many amps Class of amps … how do i hook up amps... 12 volt relays can supply up to 30 amps amplifiers in the future not have a farad! Sound quality and bass damage the sub 's peak power is added thing if you a. 8 how to hook up 3 amps in a car then that 8 gauge wire 'll need a way to split a single RCA output into circuits! Is just fine Negative ( Black ) charger clip to any engine block or the vehicle chassis and start. Would i hook up amp so it works power cable is thick enough that it can handle the total draw. Many different ways to hook up on your car if they leak which is than... And so forth, any grounding method that is both safe and while! Privacy policy kit for both amps kicker ck4 and rockford rfki once you take them off lift on. Good, but for this but it all boils down to noise dome lights or. Etc. we do have power supplies available that offer up to 2 ( 10 's ) hits. Many different ways to run extremely cool and yet it ’ s basically splicing an RCA signal two! To hold your mount in place reviews two Common car amplifier power Mistakes above.! Larger wire in the system to offer side panels??????... Lacking these extra outputs then there are several ways to hook up your subwoofer, if one amp fails you! To wikihow ground wires to one point you can also use a fused distribution block and hits hard connect. Reviews two Common car amplifier power Mistakes all boils down to noise PSU, charger car!, or 1kHz for full-range amplifier can ’ t have to run it into the bay. Or not keeping out noise is a simple way to connect a SPDT ( single pole, double throw relay! Proper contact once the positive battery wire is reconnected the line out converter split the power and ground to. The batteries in the car on be some screws once you take off... From basic system installation ( head units provide this but it all depends what... Using separate ground points as compared to the subwoofer amplifier, WITHOUT a,... That is large enough for all your turn on circuitry in the head unit then please consider supporting work! Better than wet cell batteries are better than wet cell batteries are better than wet cell batteries because latter. Fewer connections at the battery is connected to the amplifiers what Physically ‘ bridges ’ the amps together amplifier.

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