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How to connect two amps do i connect one amp from battery and then take power from the other or must i connect bofe of them from the battery and how do i get rca cable to the other amp my stereo only has one rca out i have i two in to four rca cable the amps are 4 channels do you get a splitter

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Re: How to connect two amps do i connect one amp from...

Run a single wire to battery fit it to a distribution or connector block they normally come 1 into 4 or 1 into 2 ,and yes you can get splitters for your rca cables should be able to pick them up at your local car audio dealer.

Posted on Apr 20, 2008

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Connected a Dual XPA2100 300 watt amp to the battery and connected ground to chassis of vehicle. Vehicle is 2004 Saturn Ion with battery located in trunk area. Amp does not power on, all connections are...

The remote wire DOES need to be connected to the head unit. You can see if thats the problem simply by touching the remote wire to the power wire. The unit should come on. The head unit should either have a remote lead, or a power antenna lead, and thats what you need to turn the amp on and off. BE SURE your ground is solid, and its usually best to take that to the battery as well to prevent unwanted engine noise. Hope this helps!

Sep 25, 2011 | Dual XPA2100 2/1 Channel 300 Watt...

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Nitro 483 amp where do you hook up the power it has a gnd rmt and +12v what hooks up where

Fused 12 volt power wire from the battery connects to +12V at the amp. Chassis ground wire connects to gnd at the amp. Switched 12 volt power wire (accessory) (remote turn on from after market radio) connects to rmt at the amp.

Jan 18, 2011 | Nitro BMW-483 Car Amp

1 Answer

Have Power going to the amp. Amp does not turn on. Do i need a remote? Bought vehicle with amp in it. LXA 600 Power light does not turn on.

you need to make sure you have 5 things.

1. power connection to the battery/amp
2. make sure you have a remote line radio/amp
3. make sure you have rca's radio/amp
4. make sure you have a ground amp/car frame ( scratch paint away for good contact)
5. make sure the speakers are connected to the radio.

if all is ok then check the inline fuse from the hot wire from the battery is not blown and the fuse on the amp is not blown.if so replace them. with the proper amp fuse.

Mar 24, 2010 | Jensen LXA400 Car Audio Amplifier

2 Answers

I connected the hot wire of my stereo and ran it to the amp power and same thing as the ground and get NO power

you have to run a seperate power wire from ur battery 2 ur amp and the same 4 ur ground wire

Feb 27, 2010 | Rockwood X-Plore AMP-4030 Car Audio...

1 Answer

I install wire from the battery to the amp ground the amp then i installed the audio jack from the reciver to amp an then the speaker wire an nothin

Power amps must be connected + battery wire to the amp +b terminal with a gauge 8 or bigger depending on the power rating, - ground to the car chassis as short as possible,connect cords from head unit to power amp with good groundings, and remember to connect the speakers and the remote trigger from head unit to turn the amp on.

Aug 27, 2009 | Performance Teknique ICBM-772 Car Audio...

1 Answer

The amplifier keeps on blowing out the fuse when i connect the battery

Start by dis-connecting the power lead at the amp, and securing it (where the bare wires are not touching ground) Now insert a new fuse then make the battery connection. If the fuse blows then you need to trace the power wire to find the short, or replace the entire wire, paying close attention to sharp edges and pinch-points that could cause this problem to reoccur.
If the fuse didn't blow, dis-connect the power lead at the battery then all of the other connections at the amp, reinstalling the power lead to the amp. With only the power lead connected at the amp and the good fuse inserted, reconnect at battery,and if the fuse blew then the problem is with the amp. and should be repaired or replaced depending on its value and the cost effectiveness of those two options.
If the problem has not yet been discovered, continue with tracing each of the remaining amp wires in that manner, as been described above.
Good luck...

Feb 23, 2009 | Directed Extreme XA-5001 150W x 1 Car Amp...

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Maystar cx475

Ok, I am assuming this is the 600 watt amplifier?


Supplies needed:
- 8 Gauge power wire (long enough to run from your battery to the amp placement) WITH an inline fuse!!
- Depending on your stereo (if it has amp pre-outs or not) you will either need RCA cables (long enough to reach your amp from your stereo) OR a Line-Out converter AND RCA cables.
- The power lead that connects to your "REMOTE" line on your stereo (long enough to reach from amp to stereo - usually blue)
- A good ground wire ( long enough to reach a metal part of your car from the amp)

STEP 1: Find a spot to run the power wire from your battery - through your firewall and into your car - and then to your amp. (DO NOT CONNECT IT TO ANYTHING YET)
STEP 2: Remove your car stereo and look to see if you have PRE-AMP outs (RCA connectors for an amp on the rear of the unit)
A- if you do, GREAT.. proceed to step 3
B- if you don't.. you will need to get a LINE-OUT CONVERTER - what this does is converts the higher signals from your standard wires on your radio, to RCA style wires to connect to your amp.
B2- you will also want to buy a wiring harness kit for your stereo, unless you want to hack away at your factory wires.. (not recommended) - connect the harness kit to your factory wire harness, wire in your leads for the output converter, and run the other end to your stereo.*
*you will need to know which wires run to the speakers you plan to power with the amplifier
B3 - once the converter is properly connected - proceed to step 3
STEP 3: Plug the RCA cables into the stereo or converter, and run them properly from behind your radio to the amp but DO NOT CONNECT THEM YET.
STEP 4: Connect the REMOTE wire from your stereo to the same wire for your amp . (this enables the amp to turn on/off with your radio.. otherwise.. you will have alot of dead batteries)
STEP 5: re-install your stereo into the car.
STEP 6: Connect the RCA speakers into the INPUTS on your amp
STEP 7: Connect the REMOTE wire to your amp.
STEP 8: Connect the speaker wire from the OUTPUTS on your amp to the speakers you wish to power
STEP 9: Connect the POWER CABLE to the amp PROPERLY
STEP 10: Connect the GROUND CABLE to a metal part of your car (sheet metal, not just a bolt)
STEP 11: Connect the POWER CABLE to the battery cable
STEP 12: Re-connect your Battery
STEP 13: Start your car, and test your radio.

If you have any issues from here.. you need to re-check all of your connections.

Oct 12, 2008 | Car Amplifiers

1 Answer

Fosgate 3001 amp

Here's a few things I would check:
  1. Does the vehicle run ok? No issues starting or dimming of the headlights? It's possible your battery is the issue.
  2. If the battery is fine, check all of the power connections (including the ground lead of the amp) between the battery and the amp are tight and not corroded.
  3. What gauge of wire is used to connect power and ground to the amp? If it's less than 10 gauge, it may be too small.

Mar 13, 2008 | Rockford Fosgate P3001 Car Audio Amplifier

4 Answers

3 amps 2 subs sound system for car, need wiring help

As i read your problem i can recommend you that connecting each of the hifonics amp to each hifonics sub with the same specs by getting the specs in interfacing the two or you can simply look to the output of the amp and the input of the sub and find a suitable plug that fits to them.

In the case if you want to run each hamp to individually run each sub but sharing 3 farad capacitor: what i can suggest is that you connect in parallel one connecting wire of each input or ouput of the amp or sub. Its like connecting a connector from each of the input or output of the amp or sub to one leg of the capacitor, and connecting two wires to the other leg, one is being connected to the amp or sub and the other wire is connected to the other amp or sub.

In the case of putting a circuit breaker at the car battery: what i can suggest is that you find an appropriate circuit breaker that fits the specs of the car battery then connect it in series on the positive supply or read the specs of the circuit breaker before you connect it to the battery. Having a circuit breaker is like having a fuse but with special advantages in favor of the circuit breaker.

In the case of having power to the amps you can run one power wire to the amps by dividing the power wire into two, one connected to the amp and the other wire to the other amp. Then you can connect each amp and sub in series individually by connecting one wire b/w amp and sub. I hope i solved your problem

Feb 08, 2008 | Car Amplifiers

1 Answer


You can run one power wire from the battery into a power block. Power block can feed up to 5 other devices.

Dec 26, 2007 | Car Amplifiers

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