1. Pure digital output, 24BIT 192KHz high specification is close to the studio standard, the dynamic range of signal-to-noise ratio exceeds 120DB2.Richer formats, support APE/FLAC/DOLBY DIGITAL7.1/DTS,enjoy high bit rate and multi-channel3.The anti-interference performance of digital transmission is particularly excellent.If it is matched with optical fiber transmission, electromagnetic interference and ground interference can be basically eliminated, and the sound quality can be greatly improved.4.SNR, dynamic range exceeding: 120db5.Anti-reverse, pure digital output 24 bit 192KHzType: Portable optical fiber daughter cardInput: Optical fiber (SPDIF), USB Type-AOutput: RCAPCM word length: 24 bitsPCM sampling frequency: 192 kHzsize:121x80x18.8mmMaterial:metalcolour:BlackPackage Contents:1 x 24Bit 192Khz Daughter CardOnly the above package content, other products are not included.Note:Light and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/- 1-3cm.