Pioneer VSX-918V-S. Audio output channels: 5.1, Signal-to-Noise Ratio (SNR): 88 dB, Impedance: 8 Ом. Connectivity technology: Wired. Input frequency: 1000 Hz, Power consumption (typical): 290 W, Power consumption (standby): 0.5 W. Weight: 8.1 kg. Frequency band: 0.005 — 100 GHz, Power requirements: 220 — 230 V, 50/60 Hz, Dimensions (WxDxH): 420 x 352.5 x 158 mm