This is a digital audio analog converter, which can transfer digital audio (optical/coaxial) to two channels analog audio and output (but using directly on headphone is not recommended), just suitable for using together with the devices such as digital television, CD/DVD/Blue-ray player etc.
Which with coaxial or optical digital signal output More information: Weight & dimensions | Weight | 100 g | Logistics data | Harmonized System (HS) code | 85176990 | Power | Input voltage | 5 V | Features | Converter type | Active video converter |  | Product colour | Black | Packaging data | Package width | 177 mm | | Package depth | 118 mm | | Package height | 56 mm | | Package weight | 200 g | Ports & interfaces | Host interface | Composite + RCA | | Audio output | 1 | | 3.5 mm connector | Yes | | DC-in jack | Yes | Audio | Audio sampling rate | 192 kHz | | Total Harmonic Distortion plus Noise (THD+N) (1 kHz) | 0.005 % | | Signal-to-Noise Ratio (SNR) | 98 dB |
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