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Question About JBL Speaker System CS680 (230V)
Subwoofer problem...

When my Harman Kardon receiver is not active, my subwoofer gives some 'plops' every few minutes. The first time I heared it, I thought that our neighbours where knocking on the walls.

Asked by Jonnan on 06/17/2008 1  Answer

ManualsOnline posted an answer 16 years, 5 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

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