Thank you for viewing! ✨ ❣️ Brand new, unused item ❣️ ❣️ Anonymous shipping ❣️ #Tamomarket 【Analog to Digital Audio Converter】This analog to digital converter simultaneously converts analog stereo audio signals from RCA or 3.5mm AUX inputs to digital coaxial audio and Toslink SPDIF optical digital audio. You can enjoy the audio of your favorite shows and movies on your digital stereo system. Note: This product is an analog-to-digital converter. It cannot be used for reverse conversion. 【High Sound Quality】The analog-to-digital converter supports a sampling rate of up to 48KHz, achieving excellent audio performance. It is backward compatible with 32K, 44.1K, and 48K audio sampling rates. It operates with a 5V USB cable and supports a maximum optical cable transmission distance of 5 meters. Note: Please change the audio output format to PCM/LPCM before use. 【High Production Process】Aluminum alloy shell, lightweight, durable, and heat-resistant. Gold-plated terminals for more stable signal transmission. A high-performance conversion chipset is built-in for stable signal conversion. (Note: There is no volume up function) 【Wide Compatibility】This RCA-to-optical audio converter adopts a plug-and-play design that requires no driver installation. It supports any device equipped with RCA terminals or a 3.5mm audio jack, such as TVs, PS3s, MP3 players, DVD players, smartphones, tablets, recorders, laptops, radios, digital audio receivers, and home theater systems. 【Package Contents】1 x Analog-to-Digital Converter, 1 x Toslink Cable (Optical Cable), 1 x USB Power Cable, 1 x Coaxial Cable, and 1 x Japanese Instruction Manual. Note: This product does not support 5.1ch. Please select the PCM/LPCM format in the TV's audio settings and disable Dolby sound (e.g., Dolby Digital, DTS 5.1, Dolby-AC3, etc.).