From the sonos website:
"File types supported (44.1 kHz)
MP3, WMA, AAC (MPEG4),WAV
Firmware upgradeable to support future audio formats.
DRM-encrypted files not currently supported."
"File types supported (44.1 kHz)
MP3, WMA, AAC (MPEG4),WAV
Firmware upgradeable to support future audio formats.
DRM-encrypted files not currently supported."