built-in stereo amplifier: 50 watts x 2 into 8 ohms (20-20,000 Hz) at 0.02% THD
communicates with other ZonePlayers via proprietary Sonosnet™ wireless technology, or wired Ethernet connections
plays MP3, WMA, AAC, WAV, FLAC, AIFF, and Ogg Vorbis files (firmware is upgradable to support future audio formats)
compatible with protected WMA files from Napster, Urge, AOL, and many other music download sites
not compatible with protected AAC files from iTunes
plays MP3 and WMA streaming Internet radio stations
plays songs from Rhapsody digital music service — subscription required after free 30-day trial
multi-zone synchronous playback (same music plays in multiple zones simultaneously) or multi-stream playback (each ZonePlayer plays individually selected music)
allows connection of an audio component such as a CD player, FM tuner, or a portable music player (music from such sources can be played back on any ZonePlayer in your system)
front-panel controls for volume and muting
bass, treble, balance, and volume controls accessible via remote
