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Old 05-09-2018, 01:18 AM
grantman grantman is online now
TT Regular
Join Date: Mar 2017
Boat: 2014 X30, Gen 2, 7.4L!!
Location: west coast
Posts: 91
Originally Posted by btriantos View Post
The 420 has the two knobs correct? Are you turning up the inner and outer part of the knob? Tower is usually the outer knob and the inner knob are the cabin speakers

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Looks like this. Has main volume and all of the adjustments.

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