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      04-27-2009, 12:55 PM   #70
Technic
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Drives: 2021 i3S, 2024 i4 M50
Join Date: Apr 2005
Location: Florida

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Quote:
Originally Posted by scanboy View Post
OP, did you ever figure this out? I just installed my PDX-5 last night and I think I have the exact same problem.
I hear "hiss" as soon as I tune up the volume > 0, if volume is 0, I don't hear it.
The noise is constant as op described, won't change with rpm, but I did notice that if I step on the brake, it is louder. Help please.
How the PDX-5 is connected to the OEM system? Are the gains of the PDX-5 all the way down?
Appreciate 0