Audioengine W3R Wireless Audio Receiver The Audioengine W3 is designed to connect your audio components wirelessly. The W3 handles USB audio up to 16 bits/48KHz with no compression, as well as analog audio via a 3.5mm minijack. Think of the W3 as a wireless 16-bit USB DAC as well as a wireless audio link. Broadcast to multiple Receivers For use with Audioengine W3 Premium Wireless Audio Adapter Kit