Stereo upgrade - problems!

[M3 Upgrade]

This is what I got installed in my car to replace the factory equipment.

Amplifiers:

1) Arc Audio Pro 4050

2) Arc Audio 2100

Speakers:

1) Arc Audio ACS 265 Components

2) Rainbow CS210 Contour

Subwoofer:

1) Arc Audio Kar 10''

I just picked-up the car from the installation shop in San Francisco yesterday and am at this point quite disapointed. The worst thing is this static sound I get from the speakers even when the radio is off. It also seems that I lost sound reproduction quality at low volume. Low frequencies are also worst than before.

The most anoying is the static from the speakers. Is this an effect of the amps and normal?

Thanks in advance for your feedback.

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[mgaidica 10+ year member]

WELL... static could be caused by many things.. it could be that a power wire is interfering with your RCA cables.. or the amp is simply doing it. could also be a bad ground.. I'de say go back and ask them.. thats not right though.. If they cant help u further, dont be afraid to take it into ur own hands, try tuning the speakers a little, maybe look at their wiring..