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Discussion Starter · #1 · (Edited)
I have 2 RZ900 and I plugged them for a sound check.
I left the subwoofer on (the RZ were both off) and when I plug the first one and touch the outside of the connector on the receiver, I get a low hum. On the second one, it's pretty much a bang. Both have a low hum (subwoofer) when completely plugged. Not sure why this is different and if it indicates an issue.

Interestingly, the first one has a very slight crackle (ear next to the speaker with no sound).

Any idea?

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