Pure digital output, 24-bit 192kHz high specification meets studio standards with a dynamic range and signal-to-noise ratio exceeding 120dB. Supports multiple audio formats including FLAC, DIGITAL 7.1, and DTS for high bit rate and multi-channel audio 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 Size: 121 x 80 x 18.8 mm Material: Metal Color: Black Package Contents: 1 x 24Bit 192KHz Card Note: Other products are not included. Lighting and display differences may cause slight color variations between the image and the actual item. Measurement allows an error of +/- 1-3 cm.