Sony HTCT290 2.1 Channel Soundbar & Wireless Subwoofer with Bluetooth Black Grade A-, 300W total power output, SUBWOOFER TYPE: Wireless Subwoofer, INPUT & OUTPUT TERMINALS: Opt. In, USB:1 (USB (Universal Serial Bus)-A), DOLBY: Dolby Digital, Dolby Dual Mono, Brown Boxed, 12 Months Warranty.