The default output plugins included with MediaMonkey may not work with some
high end audio cards such as M Audio cards.
If your card supports ASIO output you can try using ASIO plugins, obtainable from:
http://otachan.com/ or directly via:
By avoiding D/A conversion, this should result in much improved sound quality as
Hint: To change plugin output channel mappings and settings for your
ASIO card (Like EMU 0404 USB) and/or use SPDIF outputs only try to increase
"Shift output Channels" value and/or disable "Convert 1channel to 2channels"