Question about Volfenhag ZX-7180 Car Audio Amplifier

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1 channel only works???? plz help

Ok i had bridged my amp and then the right chanel dosent work and the left one does what is up with that? also because only one chanel works i use it. i have a kicker 12" L7. should i upgrade to a hifonics brutus 1600 or a kicker 750??? cause my amp only works on 1 chanel

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Re: 1 channel only works???? plz help

Inside the amp check copper6 for loose connection

Posted on Oct 12, 2008

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Hello, can someone help me, i want to know how to connect the wires if i want to use 2 channel instead of 4. THANKS IN ADVANCE!!!!!!!!!!!!!

You would want to bridge 2 of the left channels and 2 of the right channels, essentially combining the power output of the amp.

This article should help you out:

Essentially you will just be using 2 channels (left, right) instead of 4 (front left, front right, rear left, rear right) essentially combining the power of those outputs. You'll want to check the amp to see if it tells you which of the outputs should be used for the "bridged" method.

Mar 07, 2011 | Koiiler 8686-C Car Audio Amplifier

2 Answers

Front right speaker got wet, started cutting out. at the same time the rear right speaker started cutting. switched the rear speakers to opposite channels and this caused the right to work and left to cut....

the speaker getting wet will short it out. Shorting the output on any amp will ruin it. there is a right and left chanel with 2 outputs. Right chanel is damaged.

Sep 30, 2009 | Boston Acoustics GT-42 Car Audio Amplifier

1 Answer

Pioneer car audio amp GM 6300F (new)

Does your amplifier have a Channel swith which says 2/3/4 channel mode. If so and you are running the amplifier in Bridged mode, try changing the setting to 2 channel or Bridged mode.

Aug 20, 2009 | Pioneer GM-6300F Car Audio Amplifier

1 Answer

4 chanel amp I dont know how to conected,to radioand one subwoofer

Hello canelo63,

Your question appears under the product listing for the Dual XPA4100 but the in the text you say the amp is actually a Jensen, so it's not possible to provide specific connection information.

But most bridgeable amps can be connected to a single subwoofer and the other two channels used to drive a set of regular speakers. I'd connect the front speakers to channels 1 and 2 and wire the subwoofer to the bridge connections of channels 3 and 4. On the XPA4100, the bridge terminals are the first (negative) terminal on channel 4 and the last (positive) terminal on channel 3.

Hope this helps.

Jun 01, 2009 | Dual 2-Channel Bridgeable MOSFET Amplifier...

3 Answers

Kenwood kac9152d bridge mono wiring diagram

only using one of the channels for audio and having the rest of the amp wired up as normal should work fine. for example just use the right channel and leave the left unwired.

Dec 27, 2008 | Kenwood KAC-9152D Car Audio Amplifier

1 Answer

JVC dual channel bridgeble Amp

Most repair shops offer a warranty. If you've recently had it repaired, return it to the shop to have them check it out. If you continue playing it as it is, more damage may occur and the additional damage isn't likely to be covered by the warranty.

Jul 01, 2008 | JVC KS-AX4750 Car Audio Amplifier

1 Answer


I recommend you swap your left and right input cables to make sure it's not a source issue.

So from your headunit, plug the left channel output into your amps right input and your right channel output into your amps left input.

If the same side is still not working then disconnect both (or single speaker if it bridged) the speakers from the not working side at the amp. Connect the front and then the rear speakers individually and retest to see if one of them works.

If one does work then check the cabling and speaker connections on the one that doesn't. If it's shorting out anywhere it will stop your amp from powering that channel.

Failing that, it could just be that your amp has partly failed.

Feb 15, 2008 | Boss Riot 1500D Car Audio Amplifier

5 Answers

Wiring Diagram for Sony car amplifier XM-554ZR

You can download the installation manual from the link below: It has the following diagram plus other hookup info... Please update the question & let us know if the information given was useful to you - Good Luck!

Aug 14, 2007 | Sony XM-2150GSX Car Audio Amplifier

1 Answer

MTX 502 2 chanel amp Pre amp problem?

Unless your amp is 1 (one) ohm stable then you may have fried it. When you attach a 2 ohm load across a bridged amp then you have effectivly placed each output channel on a 1 ohm load. Not a good thing in most cases. Try hooking up ONE speaker on one channel and one input to that one channel one at a time. Then switch the speaker/input to the other channel and see if you can get either or both channels to work independently. Needless to say you must turn the amp off before you make ANY change in the wiring.

Jun 25, 2007 | MTX Thunder 2-Channel Amplifier 502 Car...

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