Rotel RDG-1520. Audio output channels: 2.0, Audio D/A Converter (DAC): 24-bit/192kHz. Multichannel audio output type: RCA. Speakers connectivity type: RCA, Connectivity technology: Wired & Wireless. Audio formats supported: AAC, FLAC, MP3, WAV, WMA, Video formats supported: MP4. Supported radio bands: DAB, FM, FM band range: 88.5 - 108 MHz