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ALBERTO CHACON Posted on Oct 11, 2013
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MA Audio HK4000D

Light inside amp turns on then right back off. was told it could be power supply but not completely sure. any suggestions?

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2 Answers

Art1618

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  • Posted on Nov 15, 2013
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Its a capacitor that likely burned out. send it out to get fixed.

wayne

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  • Posted on Oct 16, 2013
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4 Related Answers

Anonymous

  • 3 Answers
  • Posted on May 26, 2008

SOURCE: MA Audio HK4000D please help me ?

i suggest u look at the spkrs inside the box and see hw they are wire inside the box that could be one your problem[[email protected]]

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Anonymous

  • 2 Answers
  • Posted on Nov 24, 2008

SOURCE: MA AUDIO HK4000D SUBS CUTTING IN AND OUT ???????

for a amp that big you need atleast 2 gauge thats your problem

Anonymous

  • 14 Answers
  • Posted on Dec 14, 2008

SOURCE: Having no sound.

try putting your remote wire on a hotwire thats not on your headdeck

Anonymous

  • 10 Answers
  • Posted on Mar 03, 2009

SOURCE: My 800 watt mono black MA Audio amp wont work. It

The ground wire is not properly secured or not hooked up to a valid source.

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Related Questions:

0helpful
1answer

Powers up but does not play sound from amp. the fan works and the digital display screen works. i checked my power supply and my ground and still no sound... it is a hard core series and not able to find a...
Check your RCA wires at the amp and the deck you could have bad inputs on either of them or you could have a burnt amp chanels or mosfits check your amp setttings and some radios have a sub on off mode in the check your manual for that
Read full answer
Feb 13, 2010 • MA Audio HK4000D Car Audio Amplifier
0helpful
2answers

Trying to power a amp with 16 volts. possible?
Golf carts do not have a charging system. If you are going to use battery power only, why not just add (1) 12V car battery instead of (2) 8V??

MA Audio runs (ran) their bench tests @ 17V. All the power ratings advertized are at 17V.

The power supply for the hk4000D is unregulated. So the more voltage = more power.. 8V-16VDC.

  • RMS Power @ 14.4V
    • 1800W x 1 @ 4 Ohm
    • 3600W x 1 @ 2 Ohm
  • RMS Power @ 17.0V
    • 2000W @ 4 Ohm
    • 4000W @ 2 Ohm
    More input voltage means the amplifier will have to work less hard to make power.
    Don't expect the amplifier to work for very long however. the current drain on a class D amplifier is huge. There are no on-board fuses protecting the power supplies, so be sure to have at lease a 150A power line fuse.
    With 150A current draw - even with the amplifier at 1/2 gain - expect to get 10.6 minutes of listening time from your 16 volts before recharging - also note, the amplifier MUST see 8V to turn on, there is a built-in voltage sensor that will shut down the amplifier if voltage is too low.
    • Read full answer
    Jan 23, 2009 • MA Audio HK4000D Car Audio Amplifier
    1helpful
    2answers

    Gain control
    I would check ebay i know i bought one from there before. Hope this helps
    Read full answer
    Jan 13, 2009 • MA Audio HK4000D Car Audio Amplifier
    0helpful
    1answer

    Ma audio hk 4000d
    you have definately blown a output channel, or power supply. Send it in for warranty.
    Read full answer
    Jan 09, 2009 • MA Audio HK4000D Car Audio Amplifier
    0helpful
    1answer

    My ma audio hk 4000 amp is powered on no sound coming thru subs amps brand new
    If there is no protection light on, be sure the input is on. Some head units need to be turned on manually (factory set to OFF).
    Verify the subwoofers are wired properly.
    A list of your components would help to solve your problem.
    If it is new, it should still be under warranty - worst case scenario output transistor(s) blown, or power supply bad.
    Read full answer
    Jan 09, 2009 • MA Audio HK4000D Car Audio Amplifier
    0helpful
    1answer

    Having no sound.
    try putting your remote wire on a hotwire thats not on your headdeck
    Read full answer
    Dec 14, 2008 • MA Audio H2K-TP Car Audio Amplifier
    0helpful
    1answer

    MA AUDIO HK4000D SUBS CUTTING IN AND OUT ???????
    for a amp that big you need atleast 2 gauge thats your problem
    Read full answer
    Nov 23, 2008 • MA Audio HK4000D Car Audio Amplifier
    0helpful
    2answers

    MA Audio HK4000D please help me ?
    Turn the system off and disconnect the speakers. Turn the system on. If the amp still goes into protection mode with no speakers connected, then most likely the output transistors are bad. If the protection light is off, hook up one sub at a time until you find the one that is causing the problem
    Read full answer
    May 21, 2008 • MA Audio HK4000D Car Audio Amplifier
    0helpful
    1answer

    MA Audio HK802SX 4400w Amp
    hi, sounds like u have a problem with the remotebass connection socket. the socket has little pins inside, check to see if they arent touching each other. also try not using the bass control, then try one sub at a time. u may find that one of the subs or sub spk wires cub be faulty. cheers.
    Read full answer
    Jul 29, 2007 • MA Audio HK4000D Car Audio Amplifier
    0helpful
    1answer

    Amp ???
    Ever find a solution? i am having the exact same problem... didnt happen until i plugged in the bass remote they send with it...
    Read full answer
    Dec 28, 2006 • MA Audio HK4000D Car Audio Amplifier
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    Powers up but does not play sound from amp. the fan works and the digital display screen works. i checked my power supply and my ground and still no sound... it is a hard core series and not able to find a...

    • MA Audio HK4000D Car Audio Amplifier

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