Hi,
I recently encountered an issue with my HD500, the Master Volume Knob came unresponsive lately, regardless of its position it won't affect the volume level of the POD ( POD is connected directly to amp through 1/4" left mono jack). I tried the latest firmware and still the same.
So, I don't know if the problem would be a physical issue or a firmware/software one....Any ideas that would help before sending the unit to a repair shop?
Thanks!