1、Digital to analog audio decoder, converts coaxial or for Toslink digital audio signals to 1CH or 0CH analog and 5mm hole audio, can connected to external devices such as amplifiers via standard for RCA hole for shocked effects like DTS or Dolby AC‑ 2、Support for volume control, this DAC converter has volume control knob, acts as mini power amplifier function and can adjust the volume of both the headphone and for RAC interfaces. 3、Support for Dolby AC3/DTS audio format, support for Dolby AC-3/DTS/LPCM/PCM/RAW audio format, can convert for Dolby AC-3/DTS 1CH digital audio to 1CH and 0CH analog audio output. 4、3 audio mode settings, with Pass, 0CH, 1CH three audio mode option, analog for RCA output support 0CH and 1CH audio, analog 5mm output support 0CH audio, provides optimal flexibility. 5、192KHz/24Bit，support 32 KHz，41 KHz，48 KHz，96 KHz even 192 KHz sampling rate（many others just support 96 KHz），provide you with high sound quality, also supports 24‑bit for SPDIF incoming bitstreams for the left and right channels. 6、Audio decoder automatic converts optical/coaxial channel(support for LPCM/PCM/RAW) input to 1 channel analog audio output and supports decoding for Dolby AC‑3/DTS (including 1 for RAW digital audio stream). Therefore, it is widely used in homes, schools, plazas, concert halls, cinemas and other public places to enjoy the shock effects for DTS/Dolby. 1 x 5.1 Digital Audio Decoder1 x User Manual1 x USB A Male to Micro USB Cable Item Type: Digital Audio DecoderMaterial: AluminumColor: BlackSupport Audio Format：MP3，AC3，DTS，WAV，WMA，AAC，ALAC，FLAC，APE，OGG，M4ASNR: 120dbStereo Isolation: 80db（1KHZ）Channel Imbalance: 0dbSampling Rate: 32~192 KHzBit Rate: 16~24 BitResponse Frequency: 20Hz~20KHz +/- 0.7dbTotal Harmonic Distortion: 20Hz~20KHz 0.25- 0.065％THD + N。：1KHz 0.15％Analog Output Level: 2.2VAnalog Input Level: 1V（3db）Power Adapter: Input: 100V-240V（50-60Hz）。Output：5V / 1AMaximum Power Current: 210mAWorking Temperature/Humidity: 0-70℃/ 10％-80％RH（Non Condensation）Storage Temperature/Humidity: -10-80℃/ 5％-90％RH（Non Condensation）Weight: Approx. 238gShell Size: Approx. 138.2x 97.5x 21.2mm/ 5.44x 3.84x 0.83inch