Fangrui Product Details Functions And Features: 1. Decoding Hd Source Digital Audio Signals Into Analog 5.1 Channel Audio Signals 2. The Analog Stereo ( R / L ) Signal Through The Audio Processing Chip, Converted To Analog 5.1-channel Audio Signal 3. Two-way Spdif Optical Input, 1 Coaxial Coaxial Input, 1 Stereo Stereo Input, More Complete Multi-channel Digital Audio Output To Bring The Switch More Convenient 4. Output Interface, Easy Docking Docking Amplifier. Multi-channel One-touch Switch, Convenient And Fast, While The Stereo And 5.1-channel Switch 5. Sex Noise Ratio: 120db. Resolution: 80db (1 Khz ). Response Frequency: 20hz ~ 20khz +/- 0.5db. Analog Output Level: 2.2v Interface Function: 1. Input Interface: Optical Fiber, Coaxial, Aux Stereo 2. Output Connectors: Fl, Fr, Sl, , Cen, Sw (bass) Product : 1. Solvable Hd Digital Audio Source 2. Wide Range Of Applications: Network Players, High-definition Video Player, Blu-ray Dvd, Dvd, Sp3, Xbox360 Such As The Output Of Digital Signals 3. Product Exquisite, Compact And Conven