Question about Kicker (ZX350.4) Car Audio Amplifier

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Kicker zx350.4 protect light red and blinking

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4 Suggested Answers

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Posted on Jan 02, 2017

StuartB
  • 807 Answers

SOURCE: blinking protection light on mrv-t757 amp

Could be the power supply or output stage electrolytic capacitors.
Possibly breaking down/drying out inside.

Posted on Mar 17, 2008

  • 22 Answers

SOURCE: protection light just blink on and off

check that your ground wire is connected properly to both your amp and body of vehcile you may need a thicker earth wire

Posted on Mar 27, 2009

Bennytechkid
  • 99 Answers

SOURCE: MY KICKER ZX 750.1channel amp "FLIP FLOPS" from

Are you getting any sound output at all from amplifier?
Is there a popping or banging coming from speaker?
It could possibly be a faulty output mosfet that is ocillating cause DC to leak onto the speaker output causing it to flip into protect.
please advise
thanks,ben

Posted on Jan 04, 2011

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Kicker amp powers no audio all connections made properly


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Is this the first time installing it or have you had it a while and it suddenly stopped playing ?

Aug 07, 2011 | Kicker Car Audio & Video

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I have a kicker 500.2 red protection light is on and red light on top of amp flashes every couple seconds. Have checked all connections and other amp in truck works good. I bought two of these amps and...


Disconnect all the wires except the three main power wires, ground, 12v battery and remote. Now, turn on your radio, if the protect light is still on then there's an internal short in the amp. If the light turns green, then there's a short in either the auxiliary cables or the speaker outs. If it turns green, then troubleshoot the other wires that plug into the amp by connecting them one at a time until the protect light comes on, which will tell you that there's a problem with that speaker/aux wire.

Jul 25, 2011 | Kicker KX500.2 Car Audio Amplifier

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MY KICKER ZX 750.1channel amp "FLIP FLOPS" from protected mode(red light) to normal (green light) every 2 seconds.


Are you getting any sound output at all from amplifier?
Is there a popping or banging coming from speaker?
It could possibly be a faulty output mosfet that is ocillating cause DC to leak onto the speaker output causing it to flip into protect.
please advise
thanks,ben

Sep 27, 2010 | Kicker (ZX750.1) Car Audio Amplifier

1 Answer

No sound no protection light


u must have a faulty wire...recheck youre instalments....or get a professional to do it for you..

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seems like a protection feature kicks in and out
check your fuses and possible but a bigger size in and also check your wires make sure your ground is tight

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My kicker zx 750.1 amp is not working.


that is protection built into the amp. try turning down the gain levels on the amp

Apr 20, 2008 | Car Audio & Video

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Blinking protection light on mrv-t757 amp


Could be the power supply or output stage electrolytic capacitors.
Possibly breaking down/drying out inside.

Mar 17, 2008 | Alpine MRV-T757 Car Audio Amplifier

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Amp Power LED Display blinks red and no sound


With your multimeter set to DC volts, the black meter lead on the ground terminal of the amp and the head unit on (so the amp will have remote voltage applied), touch the red lead alternately to the B+ and remote terminals of the amp. Does the voltage on either the B+ or remote pulse below ~11 volts when the LED flashes?

Jan 26, 2008 | Kicker ZX650.4 Multi-Channel Amp - 480W ZX...

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