Yamaha RX-V475 5.1-Channel Network AV Receiver with Airplay 5-channel powerful surround sound 115W per Channel (8 ohms, 1 kHz, 0.9 % THD, 1 ch driven (80W per Channel (8 ohms, 20 Hz-20 kHz, 0.09 % THD, 2 ch driven Dolby Digital Plus and DTS-HD High Resolution Audio Burr-Brown 192 kHz/24-bit DACs for all channels