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Old 01-05-2014, 09:26 PM   #407 (permalink)
Gene's Z
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Join Date: Nov 2013
Location: Lake Worth, FL.
Posts: 10
Drives: 2012 370Z Roadster
Rep Power: 12
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Default Annoying hiss

I recently had a Pioneer X850BT installed in my 2012 370Z Roadster. As soon as I start the engine I hear an annoying hiss from the factory Bose speakers without turning on any audio source. I took it back to the installer who told me there was nothing he could do. He told me there is no preamp which is usually the cause. Any suggestions? Gene
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