Yamaha RX-V473 is a 5.1 channel AV receiver
EL#345
Amplifier Section:
Maximum Output Power: 115 W per channel (8 ohms, 1 kHz, 0.7% THD, 1 channel driven)
Dynamic Power per Channel: 110/130/160 W (8/6/4 ohms)
Frequency Response: 10 Hz - 100 kHz ± 1 dB
Audio Features:
Dolby TrueHD and DTS-HD Master