Pioneer VSX-919AH-S. Audio output channels: 7.1, Signal-to-Noise Ratio (SNR): 100 dB, Impedance: 6 Ом. Connectivity technology: Wired. Input frequency: 1000 Hz, Power consumption (typical): 290 W, Power consumption (standby): 0.5 W. Weight: 8.7 kg. Frequency band: 0.005 — 100 GHz, Power requirements: 220 — 230 V, 50/60 Hz, Dimensions (WxDxH): 420 x 349 x 158 mm