Approved by FCC Part 15 Class B, Canada RSS-210, UL60065, CSA-C22.2 No. 60065, R&TTE Directive (99-EC-5), Sonos ZonePlayer 100 (ZP100) is designed to bring great sounding music to all rooms in your house. As the wireless ZP100 comes with a built-in amplifier you can take it in any room where you want to listen to music. You can purchase the Sonos ZonePlayer 100 at a list price of $499.00 USD and teem it up with Sonos Bundle 130 Digital Music Player. Without hisses, crackles or hums, the ZXone Player delivers amazing playback with 50W per channel of power and a THD+N <.02%. The package contains Sonos ZonePlayer 100 (ZP100) Package contains Sonos ZonePlayer ZP100, Ethernet cable, power cord, Sonos System Setup software CD-ROM (Windows XP SP2 or Windows Vista; Mac OS X v10.3 and v10.4) and Sonos Digital Music System Documentation. For further queries visit Sonos.