Sonos Amp Amplified streaming music system for passive home speakers at Crutchfield
Sonos Connect:Amp Digital Media Streamer - White/Gray (CTAZPUS1) for sale online | eBay
How To: Sonos Amp Review & Configuration - free time
Amp: The Wireless Streaming Speaker Amplifier | Sonos
How to use Chromecast Audio as a whole-home audio alternative to Sonos | Android Central
Sonos is entering four new product categories — here's what they might be
Amazon.com: BobWire DAT1 Adds a 12V Trigger! Compatible with SONOS Connect, Echo Link, ChromeCast Audio, TV, Anything with an Optical Audio Out. Auto Power On Amplifiers & Fans. NOT Compatible with AV
Sonos CONNECT:AMP 110W Class D Amplifier CTAZPUS1 - Best Buy
Sonos Amp Wireless Hi-Fi Player with Flexson Wall Mount (Black) | World Wide Stereo