The folks here can help you out. http://forum.elitecaraudio.com/index.php

They’ve helped me several times in the past.

The SQ forum is geared to audiophiles for auto, whereas the SPL is geared toward the more……oh….I’d better not say.

Be careful though, car audio can be every bit as expensive as home audio and there are few guys that frequent the SQ board that think you need $1500 drivers and $5000 amps.