This Digital to Analog Audio Converter is Designed for Either Home or Professional Audio Switching ,Easy to Install and Simple to Operate; Can be Used for , , Blu-ray Player, HD DVD, Home Cinema Systems, AV Amps, Etc, need it toEnjoy a beautiful lifel It Converts Toslink Digital Audio Signals to Analog Audio This Converter Has Many Features That Enable It to Perform in a Superior Manner. stereo shocking sound quality ,high fidelity lossless sound quality reproduce CD-level sound quality,conquer your ears ,CD-level sound quality , signal stable transmission,listening to songs without delay , no noice ,no current ,the sound is not distorted .connection : Plug and play easy to connect,one-line conntection easy audio conversion . Digital Audio Signals to Analog Audio Supports Sampling Rate at 32KHZ, 44.1Khz, 48khz and 96khz ,192KHz . 24-bit S/PDIF Incoming bit Stream on it. This optical digital to analog converter is incompatible with 5.1 Channel Signal such as AC3, please set the audio output to PCM or LPCM before using this adapter. Rovides Electromagnetic-noise-free Transmission .Easy to Install and Simple to Operate . Supports Uncompressed 2-channel LPCM or PCM Digital Audio Signal Output; Provides Electromagnetic-noise-free Transmission(5.1 channel is incompatible, please set the audio output to PCM or LPCM) Colour: Black material: plastic Package Contents: 2 x Digital to Analog Audio Converter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.