Yeah, but I think it's the "no decode" version. So the DAC is in there, but not connected, I believe. There is a white header on the top PCB (top left near the switches) that looks like it connects to a similar header on the PCB underneath. Maybe connecting them would enable the DAC? If...

Oh. Your Tap-1 actually looks different from mine. Yours seems to be V11.2. Mine's V11.7. That could be it. Different circuits. Ah, well. Thanks for the help and sorry for the trouble.

Running on the battery as well?

I just got a pair of Burson V5i-D as well, but when I plugged them in, I get a lot of noise when turning the volume knob as well as some distortion in the treble. The distortion becomes quite obvious when, in a couple of tracks, only the kick and bass are playing. It becomes less obvious when...