FS: Logitech Squeezebox Boom All-In-One Network Media Streamer WiFi Music Player - Stereo, Home Cinema, Headphones Components - StereoNET International
Amazon.com: Logitech Squeezebox Boom All-in-One Network Music Player / Wi-Fi Internet Radio (Discontinued by Manufacturer) : Electronics
White paper: Logitech Squeezebox Boom audio design - EE Times
Amazon.com: Logitech Squeezebox Wi-Fi Internet Radio and Wireless Music Player (Discontinued by Manufacturer) : Electronics