The Sonos ZonePlayer ZP120 is a compact media streamer from the ZonePlayer series. It features wireless compatibility with a large number of audio devices and a wide signal range for use across many different rooms. The ZonePlayer ZP120 has a built-in Class-D digital amplifer (55w per channel) and automatic updates for Sonos music services and new features. The media streamer also comes with a Sonos Desktop Controller for remote usage. The main difference the next generation Sonos players have over their predecessors is improved wireless technology that doubles the range.