20 Most Recent MA Audio HK1997 Car Audio Amplifier Questions & Answers

Its likely a fuse has blown.
Check all the fuses that are needed to supply power, even the remote power.

If this does not work, you should supply more info on your system.
Do you have power? etc.

Afraid you may have blown an amplifier. If you have a AC voltmeter, audio generator and schematic, you can feed audio signal into unit and track the signal on both channels during amplification stages.and locate the spot where the amplification stops or one channel deviates from the other. And there is your culprit.

There is little chance that you can do anything about it. The exact voice coil would have to be identified, the old ones taken out, and replacing them is technically difficult/impossible without the proper tools and experience.

cat 5 for a remote http://www.usedprice.com/items/audio/ma-audio/car-stereo-signal-processor/sy2000b-606717.html

Have you installed Kicker capacitors? With the extra power you have you will need them to help with the load.

on some cases you can but if its your falut that they ripped more then likely they want to repair or replace and you have to have a warranty on the subs to have them do anything with them so car place will soilder them back together if there some wire coming off the sub

Sounds like a short in the amp somewhere. Gl...

The radio code is a security feature that's meant to deter theft, and it's unique to each vehicle. If you've lost your code, you'll need to contact a Nissan dealership or service center and provide proof of ownership. They should be able to help you retrieve the code. Please do not attempt to use codes from the internet as incorrect attempts may lock your radio.