Question about Alpine MRD-M605 Car Audio Amplifier
If your deck is aftermarket; Does it have a dedicated Subwoofer output? if so, check the control in the deck (sub gain). If you are using a factory radio, and a high to low level adapter (speaker wires to RCA), it may be bad (not too uncommon) or check your fader front/rear any difference? Otherwise, you have one of two problems. A bad preamp in the deck or a bad pre amp in the amp. Both are fairly uncommon. More than likely it's a setting. Hope this helps
Posted on Jun 23, 2009
Could also be the RCA's also maybe your amp reset if a one point the battery was disonnected thereore your gain went back to a lower V setting
Posted on Jun 27, 2009
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Posted on Jan 02, 2017
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