-This 5.1-channel digital audio decoder converts fiber signals, coaxial signals (including LPCM), or digital audio signals output from PCs, PC sound cards, PS2, PS3, XBOX360, HD players, HD set-top boxes, and DVD players to 5.1 analog audio signal -Decodes Dolby AC-3/DTS audio to 5.1 analog audio, allowing many homes, schools, plazas, music venues, and movie theaters to enjoy the stunning effects of DTS or Dolby sound -The DTS/AC-3 source digital audio signal is decoded, converted into an analog 5.1-channel audio signal, and the analog stereo (R/L) signal is passed through an audio processing chip and converted into an analog 5.1-channel audio signal -2-way SPDIF fiber input, 1 coaxial input, 1 stereo stereo input, more perfect multi-channel digital audio output switching is more convenient -RCA output interface, easy to connect the amplifier, multi-channel one-touch switching, convenient and fast, while stereo and 5.1-channel switching