Denon DHT-S517. Audio output channels: 3.1.2 channels, Audio decoders: DTS, Dolby Digital, Dolby Digital Plus. Subwoofer connectivity: Wireless, Subwoofer location: Separate. Product colour: Black, Audio formats supported: AAC, DSD, FLAC, MP3, WAV, WMA. Connectivity technology: Wired & Wireless. AC input voltage: 100 – 240 V, AC input frequency: 50 – 60 Hz, Subwoofer power consumption: 75 W