ONKYO HT-S770B 6.1-Channel Home Theater System Black REFURBISHED 130 Watts x 6 plus 220 Watt powered 10-inch subwoofer Integrates DTS, DTS-ES Discrete / Matrix 6.1, DTS Neo - 6, Dolby Digital, Dolby Digital EX, Dolby Pro Logic II decoding Linear PCM 96kHz / 24-bit DACs for all channels Wide Range Amplifier Technology (WRAT) Extended Frequency Response - (10Hz to 100kHz)