1. Pure digital output, 24BIT 192KHz high specification is close to studio standard, the dynamic range of the signal-to-noise ratio exceeds 120DB. 2. Richer formats, supports APE/FLAC/DOLBY DIGITAL7.1/DTS, enjoy high bitrate and multi-channel. 3. The anti-interference performance of digital transmission is particularly excellent. If matched with optical fiber transmission, electromagnetic interference and ground interference can be basically eliminated, and sound quality can be significantly improved. 4. SNR, dynamic range exceeding: 120db 5. Anti-reverse, pure digital output 24 bit 192KHz Type: Portable Optical Fiber Daughterboard Input: Optical Fiber (SPDIF), USB Type-A Output: RCA PCM Word Length: 24 bits PCM Sampling Frequency: 192 kHz Size: 121x80x18.8mm Material: Metal Color: Black Package Contents: 1 x 24Bit 192Khz Daughterboard. Only the above package content is included; other products are not. Note: Light and different displays may cause the color of the item in the picture to differ slightly from the real thing. The allowed measurement error is +/- 1-3 cm.