Amp: The Wireless Streaming Speaker Amplifier | Sonos
Sonos Amp 250W Stereo Power Amplifier (Black) AMPG1US1BLK B&H
Amp: The Wireless Streaming Speaker Amplifier | Sonos
Coastal Source/Sonos 2.0 Outdoor System Outdoor sound system with Sonos Amp, two 8.0 2-Way Mini Ellipse Bollard speakers, cabling, and weatherproof enclosure at Crutchfield