I have the same problem, The sub is working on test tone mode but not very loud. In sourround mode, nothing (since about 1 month). The sub is on in the setting. Is there mute for sub only ? all other speaker works and i tested with an other cable. I test with crossover on and off. If you have un solution, send it to me [email protected] Thanks.
Is the mute on? Did the crossover get turned up? Check connections on speaker wires and ground. Manual EQ could be turned down also if available on this model
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