5.1 Audio Decoder: 5.1CH audio decoder can transfer audio from Optical/Coaxial/Other Channel into 5.1 sound track(6 Channel), and output through RCA amplifier with stereo sound.Wide Application: All smart TV's digital optical or coaxial, transfer into sound track for speaker/amplifier. Suits for Smart TV/TV Box/Projector/ etc as input, Amplifier/2.0 Speaker/5.1 Home Theater System as output.Multiple Interface: Multiple audio input port, Optical*2, Coaxial*1 and 3.5mm AUX*1, through the chip the audio will transfer into stereo quality sound as output.Return To Sound: 5.1 channel lossless surround sound, DTS digital transformation services, DB quality sound, reach theater level quality sound with one module.Plug And play No Delay: Support Coaxial/Optical audio directly to 5.1 RCA audio output, no delay. Wired supply available, if happen incompatible or other situation, please use with wire.Strong "Heart" In Metal Host: High quality sound require a high performance chip. Built in high quality intelligent chip, using aluminum alloy as host, better performance in anti-interference and heat dissipation.Product: 5.1 Audio DecoderSampling Rate: 32-192KHzBit Rate: 16-24BitChip: Third Generation Intelligent ChipInput: Optical*2, Coaxial*1, AUX*1Sound Track: 2.0/5.1 Sound TrackOutput: RCA*3Colour: blackMaterial: plasticSize: 105x75x25mmPackage Contents:1 * 5.1 Optical Coaxial Audio DecoderOnly the above package content, other products are not included.Note: Light 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.