Adcom GFA-7607. Audio output channels: 6.1, Signal-to-Noise Ratio (SNR): 118 dB, Frequency response: 10 - 20000 Hz. Connectivity technology: Wired. Weight: 21.8 kg. Power requirements: 115 VAC, 50/60 Hz, Dimensions (WxDxH): 432 x 355.6 x 127 mm, Output power: 875 W