Alpine MRP-M450 Car Audio Amplifier "amp doesn work" Questions

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Question about MTX Car Audio & Video

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Why my service light on on my amp and my amp doesn't work anymore wire are crossed or the amp is just burned up .

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Question about Kicker Car Audio & Video

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...amp cable connect) If that doesn't work, check how secure your earth lead is, kicker amps use a lot of power so these connections need to made to a clean metal surface. Scrape the paint away if ...

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Question about Alpine Car Audio & Video

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...but it gives me a high static noise . i tried the noise resister but that doesn;t work did you put the ground loop isolator near the amp end and the deck end of the rca or near the EQ if you have ...

...doesn`t bring a sound why? the led light is on but theres no sound comming out of it If your are certain that you have a signal going to the imputs of your amp and you are certain that the speakers ...

Question about Car Audio & Video

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...amp Doesn't seem to be working properly since my latest installation. Changed to a longer more powerfull antenna. I have 2 CB's and 4 antennae's on my big rig. Are the antennae's ...

...amp is too large, if the protection circuit doesn't respond quickly enough or if the power supply is poorly designed, the power supply transistors may fail. If you see a lot of black soot on the ...

Question about MTX Car Audio & Video

1 Answer

...doesn't work. the red light is on but there is a green flash and when it flashes it makes a noise that I can hear through my speakers. It works fine if I hook it up in different car. I don't ...

seems to work all right but the LED indicator light doesn't come on at all. It could simply be a faulty or burnt out bulb, just find a small bulb at Ace Hardware or the similar, and replace it

If it works fine, trace that wire to the short or blown speaker. If all impedances look ok, or disconnecting that output doesn't help, then it's time to rip the unit apart and diagnose the amp

Question about JBL Car Audio & Video

1 Answer

POWER COMING OUT. Make sure your rca jacks are plugged into both your headunit and amp. Also make sure that the amps filters are set so that the amp plays all frequencies and doesn't block out any

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