What is Sonos S2 and what Sonos devices are not compatible?
Amazon.com: UpBright AC in Power Cord Cable Plug Compatible with Sonos ZonePlayer Connect AMP ZP120 Digital Internet Radio Zone Music Player Media Streamer Playbar Soundbar Wireless Streaming Speaker PBAR1US1BLK : Electronics
Set up your Sonos Connect:Amp | Sonos
Penn Elcom Wall Bracket Sonos Connect Amp WB-ZP120-B PennElcomOnline.com