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Thread: Alpine KTP-445 in headless setup. Low Volume.

  1. #1
    Join Date
    Dec 2011

    Alpine KTP-445 in headless setup. Low Volume.

    This weekend I installed the KTP-445 and plugged the input side into my tablet.
    I'm not able to get much volume out of my speakers and am curious if anyone knows what I did wrong.
    attached is a simple wiring diagram I made.
    Attached Images Attached Images  

  2. #2
    Join Date
    Dec 2011
    I think I figured out what the issue is.
    The KTP-445 is expecting speaker level inputs which my tablet just can't produce.
    I really want to keep it simple and not use a head unit so I guess I need a different amp. Any Recommendations?

  3. #3
    Constant Bitrate Lankin's Avatar
    Join Date
    Jun 2009
    If the amp is really looking for a more amplified input then you could try putting in a line driver between the output of the tablet and the input of the amplifier.

    I imagine something like this could do the job:

  4. #4
    Join Date
    Dec 2011
    Thanks for your reply.
    I am so disappointed by the way this amp situation has transpired that I'm going to ditch it in favor of a completely different amp that does line level input.
    will be posting new thread with questions about my intended setup.
    Thanks again for your input.

  5. #5
    MySQL Error soundman98's Avatar
    Join Date
    Jan 2008
    on the border of northern IL/IN
    ^ nope, he still need's a regular amp..

    the most popular option has been 'motorcycle amps' on ebay, though also has started offering a similar model amp. either are quite cheap, and smaller then average amps.

  6. #6
    Join Date
    Dec 2011
    Thanks everyone for your help. I bought a Kicker 4 channel AMP Model 11DX200.4. Didn't use the Alpine at all.
    I must say it has by far exceeded my expectations. I am still using the stock junk speakers that came in the car for now. That will be my next project. I will be posting details in the completed project section if anyone else is interested in a headless android tablet project.

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