Pioneer VSX-819H-K. Audio output channels: 5.1, Signal-to-Noise Ratio (SNR): 98 dB, Impedance: 6 Ом. Headphone connectivity: 3.5 mm. Connectivity technology: Wired. Input frequency: 1000 Hz, Power consumption (typical): 265 W, Power consumption (standby): 0.65 W. Weight: 9000 g