Sonos' ZonePlayer ZP90 is a small-size media player meant to be used in conjunction with a wide-array of audio equipment. The ZonePlayer ZP90 connects through wireless technology to almost any amplified audio device and features a wide signal range. It comes equipped with digital and analog output and a Sonos Desktop Controller for simple set-up and access. The ZP90 also hosts automatic updates for new music services and essential features. The main difference the next generation Sonos players have over their predecessors is improved wireless technology that doubles the range.