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View Full Version : New head unit, now my speakers are quiet?



mpeterson96
06-09-2013, 02:40 PM
I just put in a pioneer DEH-x9500BHS into my 07 trailblazer.
and now my speakers are super quiet. at 30 it sounds like you would expect at 5.
the integration adapter I bought is the Axxess GMOS-01.
and the speakers I put in my doors are the
Cerwin-Vega HED365
any Ideas or common mistakes that cause that?

mylows10
06-09-2013, 03:23 PM
out of phase , need deadener ,amp them

mpeterson96
06-09-2013, 03:25 PM
How do I correct the phase issue?
and the stock head unit was way louder with the same speakers. I have had the set up minus the aftermarket Head unit for a month or so now.

d77543020
06-10-2013, 08:42 PM
that deck goes to 65

NIHL8ION
06-10-2013, 08:45 PM
You may not have it wired correctly... On a lot of those GM "interfaces" you have to cut off and remove the RCA ends, then hard-wire into the harness for output to your speakers...