Question about Metrik Amplifiers MAX-1202 Car Audio Amplifier

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Subs wont play music

I have a nitro amp 2500watts hooked up to a stock radio and 2 12's 1200watts each...when I turn my car on there is a humming sound coming from my subs. at this point my radio is turned off. when I turn my radio on the humming stops but the bass remote also turns off. how can I have my bass remote and radion be on at the same time?

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  • Jimmy Hall
    Jimmy Hall May 11, 2010

    j_maurice62:

    I need some additional info in order to offer some help. How are the subs connected to the amp? What impedance (ohms) are they?

    It sounds like the amp is detecting an overload & shutting down to keep it from self-destructing. Get back to me & we'll go from there.

    peace-out


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Sounds like your RCA's are the source of your problem. Unplug your RCA's before you turn your car on. You may need to isolate your RCA's and the ground wire on the back of your head unit.

Posted on Feb 11, 2009

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the hi/low switch explained: the hi/low switch tells the amp what signal voltage is being delivered to the amp...hi-power (4-15volts) or low-power(micro-volts). Your aftermarket head unit had what are called pre-outs (or preAmp outs) meaning the source signal (your music) is not amplified before being delivered to the amplifier...sooo...your amplifier setting for your aftermarket radio would be 'low' to tell the amp that the music source being sent to it is low-voltage.

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