Question about Crossfire VR2000D Car Audio Amplifier

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Amplifier stoped working?

I have a crossfire vr2000d it plays at really low volume and sounds distorted. when i try to turn it up it goes into protection mode. i check the subwoofer and wires and they are all good. i put another amp in place of the vr2000d and it works fine. its this amp still repairable?

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  • Vinnygibs Mar 13, 2008

    Well my buddy gave me his Type RFX7 amp out of his car. I knew it was blown but I figured i could just re-solder a dead connection and make it work. Took the amp apart everything looks pretty much fine see some hot spots but i figure that normal the amp puts out 1895 watts RMS. The thing is it powers up puts out a real poor qaulity sound then goes into protect mode. Can't figure it out any body have any tips I have a DVOM and would really like to get this thing in my car before summer. If possible where would a get layout of what transistor does what. Thanks in advance for any help with this matter.

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Either blown transistors, caps, or random chip... i would try to contact a PCB board rebuilding company or contact a local radio shack and see if they can point you to a board fix it guy.

Posted on Mar 16, 2009

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Posted on Jan 02, 2017

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They speakers, when they hit hard they make this odd... smacking sound.. Also on just like.. eminem songs and some rock songs that I listen to whenever the subs hit the vocals get distorted, but when I...


Well it sounds like you need a mono block amplifier for the subwoofers. Subwoofers are ment for low frequency. If you try to run regular audio through the subwoofer the sound will become distorted at a high volume. If you have a crossover on the amplifier try putting it on LP. Also do not exceed the RMX rateing on the subwoofer because if you do they will also distort. If you try adding the mono block on to it and it is still doing it you may also be running to much power to the subwoofers.

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Amp went into protect, but front speakers sound distorted too


If the amp still goes into protect mode, the easiest thing to do is disconnect the RCA cables from the amp and see if still goes into protect mode (after turning off/on). If it does, the issue lies in the amp or the wiring to/from the amp (most likely case). Check to make sure no speaker wires came loose and touched +12V or ground (car body). From the sound of it, my guess is something internal to the amp died and will need repair.

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Give that new sub a chance to "break in". New speakers require a few hours of use before the voice coil(s) and spider break in and began operating at their best performance. Is the box within the operating specs of the sub? Is this a ported box; if so you will here some turbulance type noise from the port. What type of distortion are you hearing? Alternator noise(dentist drill like sound) would only be noticable through a sub at lower volumes due to the frequency response of a sub. Is the amps lowpass crossover turned on?

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