ITEM NAME:192kHz Digital Optical Coaxial RCA L / R 3.5mm Description: DAC converter converts coaxial or toslink digital audio signals to analog l/r audio and can be connected to external devices such as amplifiers via a standard rca-type jack, you can also choose 3.5mm headphone jack output, connect high-fidelity headphones. Not only supports digital to analog, also supports digital to digital (support toslink to coaxial and coaxial to toslink) .This converter supports digital to analog but not support analog to digital. Built-in high-fidelity amplifier chips, l/r and 3.5mm output can drive 16~150ohm impedance headphone/sound. Supports volume control, volume control knob just for adjusting the volume of the headphone interface and rca interface, not for coaxial or toslink. Comes with 4.0 od optical cable, coaxial cable and power adapter, no need to install extra programs, just plug and play With volume knob, you can adjust the volume of rca l/r + 3.5mm jack audio output, convenient to use. Specification: Type:Audio Adapter/Converter Material:Aluminum Input interface:Toslink, Coaxial Output interface:R/L RCA, Toslink, Coaxial, 3.5mm Signal Sampling Rate:32-192 KHz, Bit Rate:16-24 Bit Output Impedance:16-300 ohm Working Voltage:5V Size Chart: Approx.8.3x7.2x2.7 cm/3.3x2.8x1.1 inch Package Includes: 1 Piece Host 1 Piece USB cable 1 Piece Fiber optic cable Note: There is a power switch on the volume knob, please turn on the power switch before using the DAC. Please set the Audio Output to the PCM/LPCM Format. For Samsung TV, if there is no sound even you set the audio output to the PCM/LPCM format, please turn ON the TV external speakers (Menus-Sounds- Speaker Setup- HESB/external speaker-ON) This converter doesn't Support 5.1 Channel Such As Dolby and DTS. PS4 Pro and PS4 Slim CANNOT use this converter as they haven't Optical fiber output interface. SKU: ALU0018626377018098.Not only supports digital to analog, also supports digital to digital (support toslink to coaxial and coaxial to toslink). This converter supports digital to analog but not support analog to digital.