Originally Posted by Mr.Radar
Also, set your master and wave volume controls at 50% to avoid the Audigy's horrible clipping problems. The best Foobar2000 for the Audigy 2 non-ZS are resample to 48000 Hz, and use Strong ATH Noise Shaping dither. For the ZS use resampling to 96000 Hz, 24-bit fixed padded to 32 bit, no dither (with the Kx drivers on either card you should also use ASIO output instead of DirectSound or WaveOut).
For the ZS...