Generic Digital Dolby DTS/AC-3 Optical to 5.1-Channel RCA Analog Audio Gear Sound Decoder SPDIF Digital Audio Decoder: Used 24-bit audio DSP, 96 KHz digital receivers, and 192 KHz/24bit ADC and DAC. Multi-channel audio input (SPDIF, Coaxial, Stereo). Adopt the most advanced audio decoder chip, support DTS/AC3. Two Optical SPDIF Input, One Coaxial Input, One Stereo Input. High compatibility: support Set-top boxesHD player, Blu-ray DVD, DVD, PS2,PS3Xbox360.