Adcom GFR-700. Audio output channels: 5.0, Frequency response: 10 - 50000 Hz, RMS rated power: 545 W. Connectivity technology: Wired. Power consumption (typical): 1200 W. Weight: 22.7 g. Power requirements: 120vAC, 60Hz, Dimensions (WxDxH): 432 x 432 x 178 mm, Output power: 725 W