Thanks for your detailed replies.
I had not really considered that the volume on the device is probably actually analogue. Your comments on the bit depth, particularly with a 24-bit protocol, are very useful.
I've looked at the RS232 interface for the CXA61 to see if it supported volume...
Hi
I'm looking for a stereo amp to connect directly to my computer via USB. I've been looking at the Cambridge Audio CXA61. It has built in USB + DAC, and motorised volume knob.
What I'd like to understand is whether on these (or other) amps when the volume on the PC is adjusted, does this...