Matrix M-Stage amp review: simple, cheap, and excellent.
Sep 15, 2019 at 6:49 AM Post #5,176 of 5,176
3 years ago I bought the Matrix M-Stage HPA3B
today out of the blue the right channel gives less volume
I tried different cables, headphones and players, the problem remains
(no mods, never opened the case)
Am I the only one?
if you know what it may causes the problem please help
 

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