Pure digital output with 24-bit 192kHz high-resolution specification, delivering studio-quality audio with a dynamic range and signal-to-noise ratio exceeding 120dB. Supports high-bitrate audio formats including APE, FLAC, DTS, and digital 7.1 for immersive multi-channel sound. Digital transmission ensures excellent anti-interference performance; when paired with optical fiber connectivity, electromagnetic and ground loop interference are effectively eliminated, resulting in significantly improved audio clarity. Features reverse polarity protection and consistent pure digital output at 24-bit 192kHz. Type: Portable optical fiber daughter 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 Daughter Card Note: Light and display settings may cause slight color variations between the product image and actual item. Measurement allows an error of +/- 1-3 cm.