1. Decoding of DTSAC3 source digital audio signals into analog 5.1channel audio signals 2. The analog stereo RL signal through the audio processing chip, converted into analog 5.1channel audio signal 3. 2way SPDIF optical input, 1 coaial coaial input, 1 stereo Stereo input, more complete multichannel digital audio output to make the switch more convenient 4. RCA output interface, easy docking of docking amplifier 5. Multichannel onebutton switch, convenient and fast, at the same time as the stereo and 5.1channel switchName Digital to analog converterFunction optical audio cableFunction digital to analog audio converterFunction toslink cableFunction analog to digital converterSignaltonoise ratio 120dbResolution 80db 1KHZFrequency response 20Hz 20KHz 0.5dbAnalog output level 2.2VColor blackMaterial MetalSize 11 7 2.5cmPackage Contents 1 HostOnly 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 to be slightly different from the real thing. The measurement allowed error is 13cm.