1. Pure digital output, 24BIT 192KHz immoderate specification is close to the studio standard, the dynamic range of signal-to-noise ratio exceeds 120DB 2. Richer formats, assist APE/FLAC/ DIGITAL7/DTS, take pleasure in immoderate bit commission and multi-channel 3. The anti-interference functionality of digital transmission is especially excellent. If it is matched with optical fiber transmission, electromagnetic interference and floor interference would be surely eliminated, and the sound quality would be significantly improved. 4. , dynamic vary exceeding: 120db 5. Anti-reverse, natural digital output 24 bit 192KHz Type: Portable optical fiber daughter card Input: Optical fiber (SPDIF), USB Type-A Output: RCA PCM length: 24 bits PCM sampling frequency: 192 kHz size:121x80x18 Material:metal colour:Black Package Contents: 1 x 24Bit 192Khz Daughter Card Only the above package content, other merchandise should not included. Note: Light and sundry exhibits could cause the colour of the article in the photograph a little bit diversified from the genuine thing. The size allowed error is +/- 1-3cm.