The US428 has 4 capture channels and 2 playback channels. Capture channels 3 and 4 are switchable between analog and digital. The button to switch doesn't seem to do anything, though. -spencer On Mon, Feb 21, 2005 at 09:05:32AM +0000, Rui Nuno Capela wrote: > > BTW, shouldn't the US-428 have 8 playback channels, the US-224 have 4, and > finally 2 for US-122? >