Question about Kicker KX550.3 Car Audio Amplifier

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Power to amp

Amp is not powering up and external fuses are good,burnt smell, use to work.Where can i have it serviced?


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Re: Power to amp

It sounds like the power supply has failed (burnt smell). Any local shop that repairs car audio should be able to repair it. If you don't know which shops repair car audio, call the local car audio dealers and ask them who they send their amps to for service.

Posted on Dec 23, 2007

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I have a 1600 watt boss chaos amp it has power no sound rca jack good fuzes are good no burnt smell every thing is good just dosent have any sound

You need to check the 2 sets of fuses on the face of the unit.
Try removing the fuses and resetting them.

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Is your remote turn on wire installed and the cables hooked up correctly? You can try jumping the 12vdc on the amp to the remote turn on lead to force it to turn on to see if it's a deck issue.

Nov 22, 2012 | Legacy Audio LA1495 Car Audio Amplifier

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My amp blew the 20 amp fuses. Replaced and they blew as soon as the radio kicked in. Took the back off to look for any burnt connections or blown open/expanded capacitors or resistors. It smells like...

Remove all the wires from the amp including the remote turn on wire. Once you do that, after about 30 seconds the amp will reset. Hook the power up first, then the ground then the remote. Turn the unit on and check for power WITHOUT the speakers hooked up. If you get no power by now it's a good chance that the amp is cooked. If you do get power, try hoking up your speakers first on one channel then the other channel and then bridged. If it cuts out or off when you touch the speaker wires to one channel or the other, then that channel is no good. Hope this helps.

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I forgot to disconnect the Amp before changing the Distributor on my car, now I don't see a light on my amp, did I blow the amp? the fuses appear to be in working condition, and I got a reading with a...

Hello Permicioust, Hi, beside the fuse outside the amplifier, is a fuse inside, so check it out first, smell the amp for smoke or burnt parts, check for fuse type resistors on the power supply line inside the amp.

Feb 13, 2011 | Sony Car Amplifiers

2 Answers

My orion 6004 amp was connected, but it didn't turn on, so i was going to disconnect it and smoke came out from wire connections, i opened and i didn't find a solution Can you help me with it?

you had a short circuit.... you need to check the fuse of your amp if it is blown then replace it.. otherwise replace the cable if it is burnt and check your amp carefully

Aug 01, 2010 | Orion Car Amplifiers

1 Answer

Amp worked shortly, now no power

It sounds like you clipped the amp and did damage to It and possibly the speakers. I would check all connections and wires first. If you used too light of wire you may have either burnt the insulation off or burned through the wire. High power amps need large power cables. If thats all ok, did you have a fuse from the pos power terminal? Check that. If every fuse is good and the connection are good then it sounds like you may have blown an internal component in the amp such as a Transistor, Diode, or Capacitor. This would mean taking it to a service facility.

Jul 19, 2009 | Car Amplifiers

1 Answer

Xtant 3300x

It sounds like it's going into protection mode.

Do any of the channels pop when it's switching on and off?

If you power it up via a single 15 amp fuse (in series with the B+ line), does it blow the fuse when it powers up?

Sep 16, 2008 | Car Amplifiers

1 Answer


that big coil of wires ytou described is the transformer for the switching power supply. Sounds like you over heated it and blew out the supply or the output section. From what you described you should take or send this unit into be serviced as there are no user serviceable parts in this unit except a fudse maybe and if thats blown theres more problems as thats there ( the fuse) just so the whole bloody thing dosent burn up your car! Good Luck

Jun 14, 2006 | Rockford Fosgate Punch 300S Car Audio...

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