Question about Alpine MRP-M350 Car Audio Amplifier

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My sub quit working

I have a kenwood head unit, a 300 watt alpine amp, and a 10 inch boston fused subwoofer. i got in my car and my sub wasnt working. I checked the fuses in my sub and they were fine. Then i checked the fuses in my amp and they were both melted. i replaced them and i still have no sub. What has happened and why and do i need to take it in and have it fixed?

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First off you should have installed an inline fuse block that fuse will pop first an inline fuse is cheap go to a wall=mart it will run you around 10.00 that gets mounted under your hood cut your power cable in half the one part of the cable should be cut 12 inches that will tie into your possitive terminal on your battery after that is all tightened to your battery you will strip about an inch of coating offf of your power wire tie that into the end of your fuse block make sure it is tight than do the same to the other side just measure from there to your mounting spot for your amplifier and tie your power cable into your amplifier use 8 gauge power and ground cable... your problem with your amp is that you burned up a couple capasitors or even a resistor i just fixed an amp that both fuses were smoked just tear your amp apart look under the control board you will see were a sauder joint is cracked those capasitors and resisters are very cheap there made out of ceramic i just got done repairing my friends amp works like a new one.. good luck if you have problems or w you get it fixed email me.. gordo8785@yahoo.com best of luck buddy..

Posted on Jan 10, 2009

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