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no, there is no sound difference, just diiferent wiring confiurations.

check this website for dvc wiring.

http://mobile.jlaudio.com/support_pages.php?page_id=161

I jusst purchased the db212 dual 12" enclosure and have it running on a kenwood kac9152d pushin baout 900 watts rms. It sounds pretty damn good but you can always have better. If anyone else has...