SPDIF / Coaxial DTS/AC3 Digital to Analog Audio Decoder (SPDIF / Coaxial Multi-Channel Input to RCA L/R / 3.5mm Output) Converts Dolby Digital & DTS source digital audio (up to 5.1CH) to analog 2.0CH stereo RCA L/R audio output Support audio input: SPDIF, Coaxial Support simultaneous RCA L/R and 3.5mm Headphone outputs No need to install drivers Compact, portable, plug and play