Yamaha R-N600A. Power output per channel (20-20KHz@8 Ohm): 80 W, Power output per channel (1KHz@8 Ohm): 60 W, Dynamic power per channel (2 Ohm): 175 W. Speakers connectivity type: RCA, Connectivity technology: Wired & Wireless. Audio formats supported: AAC, AIFF, DSD, FLAC, MP3, WMA. Bluetooth profiles: AAC, SBC. Supported radio bands: FM