Sharp HT-SBW182. Audio output channels: 2.1 channels, RMS rated power: 160 W. Subwoofer connectivity: Wireless. Product colour: Black, Certification: CE (EMC), CB (Safety), ErP (Energy). Connectivity technology: Wired & Wireless. AC input voltage: 220 - 240 V, AC input frequency: 50 Hz, Power consumption (standby): 0.5 W