Question about Alpine MRD-M300 Car Audio Amplifier
That is a little strange, I would tighten up and clean up your ground and power connections, check your fuses.
Does the amp power up?
Amp being underpowered doesn't make any sense, unless he means that the wire was of too light a gauge to supply the amps demand, but typically that will cause overheating and the amp will click off.
Now over driving the amp can burn out the coils in the sub.
Check your subs by tapping a battery on the wire going to them and see if they move and make a pop, if so you are good.
Go ahead and check connections, fuses, subs and let me know what you find then we will attack the exact problem.
Let me know how it works out,
PS If I had a nickel for every bad ground I had to fix from shops around here I would make slightly more money every month!
Posted on Feb 04, 2010
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Posted on Jan 02, 2017
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