What if you're playing a game that's competitive but doesn't have sound? What a pity Is there a new HD TV that enjoys 3D visual movies, but can't connect to the old stereo surround sound? The home theater system supports Dolby AC3, but the interface between devices is incomparable? This DA500 digital to analog audio decoder can really help you solve all of these problems. You can get audio from TV / PS4 / blu ray / Xbox / roku to any audio receiver you want (audio / amplifier / headset). Product Features: 【Digital Analog Converter】This DAC Converter Converts Coaxial or Optical 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, It's Ideal for Home or Professional Audio Switching. 【Dolby AC3 Audio Decoding】Built in high performance RTOS operating system, support Dolby AC-3 / LPCM / PCM format. 【Bidirectional Switch】Bidirectional Switch Design Makes It More Than a DAC Converter, Not only Supports Digital to Analog, Also Supports Digital to Digital (Support Optical to Coaxial and Coaxial to Optical) 【Supports Volume Adjustment】Built-in High-fidelity Amplifier Chips, L/R and 3.5mm Output Can Drive 16~150ohm Impedance Headphone/Sound. Supports Volume Control. 【192KHz Sampling Rate Achieved】Supports Sampling Rate at 32, 44.1, 48, 96 and 192 KHz, and 24-Bit S/PDIF Incoming Bit Stream on Left and Right Channels. Note: 1. There is a power switch on the volume knob, please turn on the power switch before using the DAC. 2. Please set the Audio Output to the PCM/LPCM Format. 3. 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) 4. This converter doesn't Support 5.1 Channel Such As Dolby and DTS. 5. PS4 Pro and PS4 Slim CANNOT use this converter as they haven't Optical fiber output interface. Specifications: Power supply: DC 5V Input: Optical, Coaxial Output: L/R, Optical, Coaxial, 3.5mm audio Supported sample rates: 32KHZ, 44.1KHz, 48KHz, 96KHz, 192KHz Headphone impedance: 16 ~ 300ohm Max output power: 200mW(16ohm), 20mW(300ohm) Size: 81 x 71 x 25mm Package included: 1 x Digital to analog converter 1 x Usb Cable 1 x User Manual PS: DA500 supports AC3(LPCM / PCM format) DA600 HD815 HD915supports AC3 Dolby + DTS HD820 HD902 supports AC3 Dolby + Dolby Atmos DTS HD DTS. Please choose according to your needs. Thank you