Functions and features: 1. Decoding HD source digital audio signals into analog 5.1 channel audio signals2. The analog stereo ( R / L ) signal through the audio processing chip, converted to analog 5.1-channel audio signal3. 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 convenient4. output interface, easy docking docking amplifier. Multi-channel one-touch switch, convenient and fast, while the stereo and 5.1-channel switch5. Sex noise ratio: 120db. Resolution: 80db (1 KHz ). Response frequency: 20Hz ~ 20KHz +/- 0.5db. Analog output level: 2.2VInterface function:1. Input interface: Optical Fiber, Coaxial, AUX Stereo2. Output connectors: FL, FR, SL, , CEN, SW (Bass)Product :1. Solvable HD Digital audio source2. Wide range of applications: network players, high-definition video player, Blu-ray DVD, DVD, SP3, XBOX360 such as the output of digital signals3. Product exquisite, compact and convenient, plug and play, mobility and strongPlug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so onVoltage: AC220VMaterial: plasticcolour: blackPackage Contents:1 x Digital Audio Decoder1 x DC 5V Power Adapter1 x Optical Cable1 x English User ManualOnly 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.