Bose Amp Machine Gun Sound


New member
Username: Ansen

Post Number: 1
Registered: Aug-19

I have a 2010 Mazda speed 3, this year and model has a common problem with its amp.

Amp: Bose (BBM4 66 A20)

As soon as the car door opens, the speakers blast this machine gun sound and its because of the faulty amp.

I have opened up the amp and there is visually nothing obviously wrong, how can I further troubleshoot this problem (use of a multimeter?)? And is there something specific I should be looking out for?

I appreciate any help!
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