Question about Koiiler XM-6666C Car Audio Amplifier

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I have a koiller xm-6666 2 channel bridgeable 420 watt amp that turns on then goes off as soon as it goes on what do i do?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

Cerfer39
  • 709 Answers

SOURCE: 600 watt 4 channel bridgeable mosfet power supply jensen amp

Swap the wires from one speaker to the other to see if it is the speaker or the Amp/wires. 

Posted on Oct 23, 2007

  • 5 Answers

SOURCE: no response from amp

I had a few sony amps, and they don't do well as far as i am concerned. I have experienced them doing the same thing for no apparent reason. One minute they are working fine and the next, they are done. What is happening is that the mosfets are burning out inside the amp which causes them to go into protect mode. Make sure you go by the specs on that specific amp. Usually most amps don't go under 2 ohms stereo and 4 ohms mono. A lot of people start to experiment and notice if they hook-up a certain way, they produce a lot more bass. Sometimes that few minutes of great bass burns out a mosfet or two which kills the amp.

Posted on Mar 06, 2008

  • 109 Answers

SOURCE: my 800 watt kenwood

Sounds like you shorted out the main power wire somewhere and killed the amp. Is the amp on the fuse intact or blown? Do you have 12 volts at the amp? check you connections and see if it helps.

Posted on Jun 19, 2008

  • 3 Answers

SOURCE: red light

no i think the subs are blown because subs blown send transitor sound back to the amp

Posted on Apr 17, 2009

Professor_V
  • 92 Answers

SOURCE: I have an older model Jensen 500 watt 2 channel

REMOVE THE RCA INPUTS AND DISCONNECT THE SPEAKERS AND POWER THE AMPLIFIER UP WITH THIS NO INPUT, NO SPEAKER LOAD CONDITION. IF IT STILL GOES INTO PROTECTION AND YOU HAVE VERIFIED THAT THE POSITIVE AND ESPECIALLY THE GROUND CONNECTIONS, ALONG WITH THE REMOTE CONNECTIONS ARE 100%, THEN THE AMPLIFIER WILL NEED TO BE SERVICED. LET ME KNOW IF YOU NEED FURTHER ASSISTANCE.....V

Posted on Jan 06, 2010

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1 Answer

Red power/protector light


The amplifier has gone into protect mode and will stay in that mode until the cause is corrected.

Nov 17, 2013 | Sony Xplod 800W Class AB Bridgeable...

2 Answers

How do i bridge all 4 channels on the jensen 400 watt 4 channel lxa amp ?


  • This amp is not "bridgeable" at all. You will either blow the front end or blow the low end voice coil in your sub.

Regards, Tony

May 24, 2011 | Jensen LXA400 Car Audio Amplifier

1 Answer

Hey i have a sony amp (600 watt xm-zr604) with 2 10"sub(sony xplod).when i raise the volume hight enough the amp go off(red light came on) what can i try


sounds as though (at high volumes) the amp thinks it has a short circuit. This may be caused by the way you have them connected.
Speakers have a resistance and amps needs a certain amount of resistance to function right (too little resistance = short circuit)
The way it works out for the speakers is, if the two are connected to one amp output channel, the amp will see half of the resistance of a single sub. (4 Ohms/sub amp sees 2 Ohms)
If the amp instructions say that it's 4 Ohms/channel then you need to use 1 channel for each sub.
Hope this has been some help.

May 07, 2011 | Sony Xplod 800W Class AB Bridgeable...

1 Answer

I have a Koiiler XM-6666 2 channel amp. I was wondering what size fuse i use from the battery source to the amp its self.


You need to match what is on the amp. If the amp has a single fuse, or multiple fuses rated at a total to 80, then you need to use an 80 amp fuse at the battery.

Apr 22, 2011 | Koiiler XM-6666C Car Audio Amplifier

1 Answer

I have a 600 watt 4 channel bridgeable amp and I want to get all 600 watts to 1 speaker. How do I do that


You will not be able to do that with a 4 channel amp. You can with a two channel amp, but not a 4 channel amp. You can get, depending on the amp, 300 from half of the amp to one speaker.

Aug 21, 2010 | Jensen Car Audio & Video

1 Answer

Rockwood 479X


i would recomend 8gage just to be safe

Oct 13, 2009 | Rockwood AMP-479 2 Channel Bridgeable...

3 Answers

I cannot find the specs or user manual on the JVC archived items list. A few sites want to charge $10.00 for the user guide info, but I think that is too much to charge.


Defiantely not 200 watts
KS-A82
  • 2 Channel Amplifier
  • Bridgeable 2 channel amplifier
  • Output power: 25W x 2, 20 - 40,000 hz at .08 THD
  • 2 ohm stable
  • Adjustable gain (.1 - 2v)
  • MOS-FET DC-DC converter
  • Multi phase connection
  • 1 Pair of line input terminals
  • Remote relay turn on system
  • MSRP: $159.95
http://www.admtechusa.com/JVC.html#KS-A82

May 22, 2009 | Car Audio & Video

1 Answer

Is it not bridgable


This amp isn't bridgeable. It's a mono amp (only one channel). You need two independent channels to bridge. Some mono amps are bridgeable if you have two identical amps but I don't think Kenwood recommends that with this amp.

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

2 Answers

Protection light


You cannot parallel two subs AND run them on the Bridge. You must have at LEAST a 4 ohm load on the bridge, and 2 4 ohm subs in parallel equals TWO OHMS. BAD!!! Move each sub to it's own channel or your amp will soon fry.

Sep 10, 2007 | Sony XM-2002GTR Car Audio Amplifier

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