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Old 11-13-2012, 11:46 PM   #74
hakira
Scooby Specialist
 
Member#: 74211
Join Date: Nov 2004
Location: 34′33″S 3721
Vehicle:
2011
SSM WRX 4DR

Default

Quote:
Originally Posted by wondras View Post
YES, WE CAN!

I just picked up a 2013 Crosstrek with the CM621UB HU. (Do I get partial credit for having most of an Impreza?) By piecing together info from various posts here, the service manual, and documents filed with the FCC, I figured out that it *is* possible to disable both the loudness and fixed EQ.



With these "features" disabled, it sounds significantly less awful, especially at lower volume levels. This should make it a much better candidate for use with upgraded speakers, or a line out converter and amps. From the schematics, I think it would be fairly easy to add proper RCA line outputs as well.

I don't know if these keys will work on earlier models, but hopefully they do.

Fantastic forum you've got here!
Worked for me, bass doesn't sound distorted and everything is clearer, thanks!
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