AUDIO
Amplifier: Two Class-D digital amplifiers.
Speakers: Two force-canceling speakers positioned face-to-face for deeper, richer sound and zero cabinet buzz or rattle.
Dual acoustic ports: Tuned to enhance Sub performance.
Frequency response: Plays down to 25 Hz.
All digital sound: All filter settings, active equalization, and time alignment are done digitally through state-of-the-art DSP (Digital Signal Processing) circuitry for zero-loss audio quality and energy
Automatic equalization: The system automatically adjusts audio settings across all connected components.
NETWORKING
Wireless connectivity: Using Sonos S2: Connects to WiFi
Using Sonos S2: Connects to WiFi network with any 802.11a/b/g/n 2.4 or 5 GHz broadcast-capable router.
Using Sonos S1: Connects to WiFi network with any 802.11b/g 2.4 GHz broadcast-capable router. 802.11n only network configurations are not supported —you can either change the router settings to 802.11b/g/n or connect a Sonos product to your router.
Ethernet port: One 10/100 Mbps Ethernet port. You can plug a Sonos product directly into your router if your WiFi is unstable.
GENERAL
Power supply: Auto-switching 100 - 240V ~ 50-60Hz 2 A AC universal input.
Supported products: At least one amplified, non-portable product, such as Sonos One, One SL, Five, Ray, Beam, Arc, or Symfonisk.
Dimensions (W x H x D): 389 x 158 x 402 mm
Weight: 13 kg
Multiple orientations: Stand upright or lay flat for flexible placement.
Operating temperature: 32°F to 104°F (0°C to 40°C)
Storage temperature: -4 to 158 F (-20 to 70 C)
Rubber and felt feet: Built-in rubber feet, optional felt feet.