Pioneer VSX-1019AH-S. Audio output channels: 7.1, Signal-to-Noise Ratio (SNR): 100 dB, Impedance: 6 Ом. Headphone connectivity: 3.5 mm. Connectivity technology: Wired. Input frequency: 1000 Hz, Power consumption (typical): 290 W, Power consumption (standby): 0.5 W. Weight: 8700 g