NK-C6 Optical Fiber To Analog Audio Converter Adjustable Volume Digital To Analog Decoder With USB Cable Features: 1. Convert coaxial or Tosink digital audio signal to analog LR audio 2. Support sampling rates of 32kHZ, 44.1kHZ, 48kHZ, 96kHZ and 192kHZ, up to 24-bit resolution 3. 24-bitSPDIF input bitstream on left and right channels 4. Support 16-300 ohm high-fidelity headset 5. Support volume adjustment 6. Support Toslink input to coaxial output 7. Support Toslink output coaxial input 8. Provide no electromagnetic noise transmission 9. Easy to install and simple to operate Specifications: 1. Power consumption: 0.5 watts (maximum) 2. Input audio: coaxial or Toslink digital audio 3. Output audio: LR, earphone, Toslink 4. External power supply: 5V DC 500mA 5. Input audio connector: Toslink, 1xRCA (coaxial) 6. Output analog audio connector: 2xRCA (RL) and 3.5mm earphone 7. Output digital audio connector: Toslink, 1xRCA (coaxial) 8. Dimensions: 8.5x9.6x2.8 cm 9. Weight: 130 grams 10. Packing list: Machine host; power supply; manual