What receiver do you have? some receivers, like my Yamaha, have to be grounded manually by running a ground wire from the amp to something...ummm, well, grounded in the house.


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M-80TI
VP-150TI/QS8TI
M3V3/M22OWV3/M2OWV4/VP150OWV4/M3ICV4
HSU VTF3-MKII/SVS PB-2000/SB-2000
Dolby Atmos