Pure digital output, 24-bit 192kHz high specification meets studio standards with a dynamic range and signal-to-noise ratio exceeding 120dB. Supports multiple o formats including FLAC, DIGITAL 7.1, and DTS for high bit rate and multi-channel o enjoyment. Digital transmission offers excellent anti-interference performance; when paired with optical fiber transmission, electromagnetic and ground interference are effectively eliminated, significantly improving sound quality. Features anti-reverse protection and pure digital output at 24-bit 192kHz. Type: Portable optical fiber card. Input: Optical fiber (SPDIF), USB Type-A. Output: RCA. PCM word length: 24 bits. PCM sampling frequency: 192 kHz. Dimensions: 121 x 80 x 18.8 mm. Material: Metal. Color: Black. Package Contents: 1 x 24Bit 192Khz Card. Only the above package content is included; other items are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement error allowance is +/- 1-3 cm.