Welcome to the store! [Digital to Analog Audio Converter] Converts coaxial or digital optical audio input to analog stereo L/R RCA and 3.5mm audio signal output. Ensure your audio output is set to PCM or LPCM. (NOTE: This is a Digital to Analog Audio Converter only, not an Analog to Digital Audio Adapter; input and output cannot be reversed.) [Supports Multiple Sampling Rates] Supports sampling rates of 32KHz, 44.1KHz, 48KHz, and 96KHz; 24-bit S/PDIF incoming bit on left and right channels. Allows audio playback on speakers and headphones simultaneously. Features built-in anti-interference and no signal input squelch circuit for electromagnetic noise-free transmission. (NOTE: Does not support 192kHz sampling rate audio.) [Simple & Easy Setup] Connect the optical or coaxial cable to your signal source and the converter, then connect the RCA or 3.5mm audio cable to your output device and the converter. Set your TV or other source devices' audio output to 2-channel uncompressed LPCM or PCM. (Note: 5.1 channel is incompatible; set audio output to PCM or LPCM: Settings-Audio-Audio Output-PCM/LPCM) [Wide Compatibility] This DAC audio converter is compatible with devices featuring coaxial or toslink digital output. It's easy to install and use, requiring no driver installation. Powered by a USB cable. Compatible with PS3, TV, Blu-ray players, HD DVDs, home theater systems, AV receivers, etc. [Durable Quality] The robust aluminum alloy casing protects internal components and aids in rapid heat absorption and dissipation, keeping the unit cool. Material: Aluminum Alloy Color: black Package Contents: 1 * Digital to Analog Audio Converter 1 * Optical Cable 1 * USB Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real item. The allowed measurement error is +/- 1-3 cm.