Looking for a repair center in north Louisiana to repair my dsw pro 660 wi.

I have a dsw pro 660 wi that was working perfect when I put it in storage while I moved. Pulled it back out of storage and hooked it up only to find that it has gone to messing up.
It will turn on for a little while but the volume is so low that you can't tell it on. Volume level is set to 30 on the sub and maxed on the receiver. After being on for a few minutes it will shut off and the power light on the back starts alternating between green (on) and red (off). I have changed outlets to a known good outlet and the rca cable to a new one and it has not helped. Looking for a repair center in north Louisiana to fix it.

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