BLUETOOTH : WiFi, not Bluetooth/ Connects to your home WiFi network with any 2.4GHz 802.11 b/g/n broadcast-capable router for uninterrupted wireless streaming. 5GHz is not supported—you/ can either enable 2.4GHz 802.11b/g/n in router settings or connect a Sonos product to your router.
Class-D digital amplifier. 125 W/Ch at 8 ohms
Line-In Sources Supported: Audio device with analogue RCA output or optical output (optical adaptor required). TV device with HDMI ARC or optical output / (optical adaptor required).
Subwoofer output: Auto-detecting RCA type, user-adjustable 50-110 Hz crossover/