Amplifier type: 2.1 Front channel: 40 W per channel (6 ohms, 1 kHz, 10% THD) Total RMS Power in Stereo: 120W Type: 1-way 1-way speaker (Bass Reflex) Speaker: Full Range (10 × 4) cm x2 Bass Boost: Bass Reflex Type: 1-way 1-way speaker (Bass Reflex) Speaker: 14cm speaker x1 Bass Boost: Bass Reflex Version: Bluetooth® 2.1 + EDR Class: Class 2 Connectivity, multiple pairing: (up to 8 devices) iOS Android Virtual surround Subwoofer volume control Dolby Digital DTS digital surround sound CEC Audio return channel (for HDMI output) Battery charging: no amplification (500mA) USB port for software updates USB port: 1 HDMI: 1 Optical digital input Size suitable for TV: 40 inches Power supply: 220-240 VAC, 50 Hz Normal use: 15W * 3 Normal standby: 0.5W * 3 Bluetooth standby: 2.0W * 3 Networked standby: less than 2W * 3 LED dimmer Auto power off Dimensions (W x H x D): 450 x 51 x 135 mm Dimensions (W x H x D): 97 x 451 x 307 mm Weight: 4.4kg