The new Tiancai Digital to Analog converter can easily converts Toslink/Optical or Coaxial signal to R/L and 3.5mm stero audio. Except for the most basic function of converting, it is also equiped with volume adjustment and multiple audio mode functions,satisfy your preference for audio.The interface on the Digital to Analog converterInput: 1x Toslink, 1x Coaxial, 1x DC5V 1A Power supply.Output: 2x RCA(R/L) and 3.5mm AUX Jackhe button on the Digital to Analog converterVol+ & Vol-: Help to adjust the volume.Input: You can choose the Input signal between Toslink and CoaxialEffect: Switch the audio modes in Normal, Music and Movie modesThe LED indicatorT&C: When you choose Toslink/Toslink input, the T LED indicator will light, and When Coaxial input, C LED indicator will light.The 1.2.3 indicator LED corresponds to the audio mode selection: 1 LED is corresponding to Normal Mode. Audio signal is output directly without any chang in Normal mode. 2 LED is corresponding to Music Mode. You can choose the Music mode while listening to music, and the converter can process the audio to make the vocals in the song clearer. 3 LED is corredponding to Movie Mode. It is recommended to choose Movie mode when watching movie, which can enhance the background sound and bring you an immersive feeling.IR: IR receiver. DAC converter equiped with a Remote Controller. You can adjust the volume and switch the Input signal, the Audio modes by the controller easily, which is much more convenient to use.Package list: 1x Tiancai DAC Converter 1x IR Remote Controller 1x DC 5V/A Power Adapter 1╫ Toslink Cable 1x User ManualNote: Please choose PCM/LPCM audio format on TV setting.After Sales Service: If you have any questions please contact us,we will reply you in 24 hours.