Class-D digital amplifier. Powers speakers with 55 W per channel.
Audio line-in. Auto-detecting RCA.
Subwoofer output with 80 Hz crossover.
Radiant cooling. Operates silently so all you hear is the music. Amplifier is kept cool by the aluminum casing, not a noisy fan.
Speaker connections. Spring binding posts.
Adjustable bass and treble controls to optimize sound performance. Adjust volume by individual room or by groups of rooms.
Dimensions - H x W x D
3.50 x 7.28 x 8.15 in. (89 x 185 x 207 mm).
5.1 lbs. (2.3 kg).
Anodized precision machined extrusion aluminum case.
Side panel buttons & lights
Volume and Play/Pause buttons.
LED indicates Sonos component status and mute status.