Question-On a Alpine 9855...?

[docutech 10+ year member]

... with a sub connected, what does the subwoofer output phase do? 0 degrees for normal and 180 degrees for subwoofer "revers"? I have read page 29 in the manual, sat in my car number of times while switching from 0 to 180 degrees but heard little difference.

Any input on this anyone?

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[Nukedsodapop 5,000+ posts]

it reverses the polarity of the speakers, so you can make them sync with the other speaskers..... I guess thats a short definition for it lol

-Blake