Question about Sony Xplod GTX XM-GTX1821 1,000W Amplifier

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Sony Xplod GTX XM-GTX1821 when I first turn the car on, the power light is green for a second or two, then it turns to red. I ran the system for a few months with no issues.

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  • Sony Master
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Something has gone wrong with the power supply or some component such as the output amps

Posted on Jan 23, 2013

  • denniscolbat
    denniscolbat Jan 23, 2013

    That's what I figured. I'm just hoping nothing is blown. I wasn't abusing my system, or being obnoxious. The gain isn't even set to half. I was listening to a local radio station with my girlfriend and could hear it still running fine. Went into the gas station, came out turned the car back on and realized there was nothing.

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SOURCE: How to install Sony Xplod XM-1652Z Car Audio Amplifier

First you will need to post the # of voicecoils each subwoofer has, and their resistance.
Next - you can purchase an amplifier installation kit just about anywhere that will supply you with everything needed to wire up 1 amplifier.

Power wire w/fuse
Ground Wire
Remote Wire
RCA cables
Speaker Wire.

CLICK HERE for your manual.

Thanks for using FixYa - a Very Helpful rating is appreciated for answering your FREE question.

Posted on Jul 24, 2009

jr fix it
  • 5 Answers

SOURCE: my 600w power amp XM-554ZR wont turn on

open it n there is a red wire look at the end of it n u would see a black celinder with a with a white strip on it change that part if it is burn

Posted on Jul 14, 2009

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1 Answer

I just got a sony xplod 1000 watt amp i got everything hooked up and when i turned the key the power light chaned from green to red. i check over the amp again and again, i cant find any thing wrong........


Try disconecting all speakers from the amp, turn it on after and if it stays on red it sounds like it had kicked the bucket. if it stays green start from their and check all of your wires for shorts (speaker wires) again. hope this helps...

May 08, 2010 | Sony Xplod XM-554ZR Car Audio Amplifier

1 Answer

Xplod XM-554ZR Car Audio Amplifier: powr/protect light comes on red not green...


Hi, disconnect all speakers from unit and try again - if red light still shows then your amp has died.
If the light goes green, then start testing for shorted speaker/wiring. This includes speaker wiring to vehicle shorts - there should be an o/c reading on your meter

May 05, 2010 | Sony Xplod XM-554ZR Car Audio Amplifier

1 Answer

Can the xm-460 gtx be bridged so as to run just


No, because the would require bridgeing the front channels and this amp does not allow for that. Rear only so it can only operate in a 3 or 4 channel mode.

Jan 21, 2010 | Sony XM-460GTX Car Audio Amplifier

1 Answer

My 600w power amp XM-554ZR wont turn on.Its an Xplod 4/3 channel, and it was working fine...until yesterday that i checked it. the green light was off.


open it n there is a red wire look at the end of it n u would see a black celinder with a with a white strip on it change that part if it is burn

Jul 14, 2009 | Sony Xplod XM-554ZR Car Audio Amplifier

1 Answer

Sony xplod 1000 watt amp not working


you need a amp kit your battery or alltinator isn't powerful enough to handle the wattage you need a juice can it gives yur battery more power

Jun 30, 2009 | Sony Xplod XM-1652Z Car Audio Amplifier

1 Answer

When my amp comes on the green light turns red after a few seconds and sometimes it just fades out compleatly. but all my conections are good. what should i do?


disconnect your speaker wires and see if it still does it. if it doesn't you either have a shorted speaker wire or bad speaker. if it still does, the amp is bad.

Jun 04, 2009 | Sony Xplod Amplifier XM-SD51X - Class D...

1 Answer

Cant get amp to work


there are two nobs on the back of the amp they have to be turned inorder to ajust the woffer vol. make sher its not in power safe mode that will be a red light insted of a green one

Sep 16, 2008 | Sony Xplod XM-554ZR Car Audio Amplifier

1 Answer

My sony xplod 1000w xm-1652z doesnt work anymore


First off, according to the manual, the protect light should be green. That's normal operation. If it is red, that's a problem.

If it does go red, disconnect all of the wiring to the amp except the +12V and ground. Short the remote connection to the +12V to force the amp on. If the protect light still lights red, the issue is inside the amp and will need repair. If the issue goes away, try reconnecting one wire at a time until the protect light goes red again.

Mar 23, 2008 | Sony Xplod XM-554ZR Car Audio Amplifier

4 Answers

Red light


something is shorted in the circuit, or your subs. unhook the subs first and try it again, if it is still in protect then it is most likely the output transistors.

Feb 22, 2008 | Sony Xplod XM-554ZR Car Audio Amplifier

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