[Digital to Analog Audio Converter/Extender]Convert coaxial or optical digital audio input to analog stereo output over L/R and 3.5mm headphones jack, and can also output coaxial or optical digital audio signals simultaneously. Both converter and extender. [Upgraded-Volume Adjustable]HiFi audio converter built-in professional audio amplifier chip and volume adjustment knob, easily drive your headphone and adjust the output volume. Which will bring you a lot of conveniences. [192KHz Sampling Rate Achieved]Supports all popular sample rates including 32kHz, 44.1kHz, 48kHz, 96kHz, and 192kHz; 24-bit SPDIF incoming bit stream on left and right channels. [Provides Crystal Clear Sound]Supports uncompressed 2 channel LPCM or PCM digital audio signal output. Excellent anti-interference function makes the sound pure and clear, providing electromagnetic-noise-free transmission. (Please set PCM/LPCM audio when using) This digital to analog audio converter is suitable for home or professional audio switching. It converts coaxial or To s link digital audio signals to analog L/R audio and can be connected to external devices such as via standard RCA_type amplifier jacks. You can also output the 3.5mm headphone jack to connect high-fidelity headphones. The converter is small and easy to install. Built-in hi-fi amplifier chip, he a d p-stone and output port can easily put 16-300 ohm hi-fi headphones. The product supports shutdown, small size adjustment, and it is easier to adapt to different sources and different environments. The product also supports To s linkTo s link input, coaxial output, coaxial input To s link, coaxial output, can adapt to more digital audio. Support optical fiber to coaxial output colour: black Material: aluminum Size: 8.3x7x2.7 cm Package Contents: 1 x audio converter 1 x usb cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.