[HDMI ARC Audio Extractor] Supports Audio Return Channel function and extracts audio to digital and analog signals. When connected to an HDMI ARC device such as a TV with an HDMI ARC port, audio is returned from the TV and output via SPDIF, Coaxial, L+R RCA, and 3.5mm jack. Note: Please set your TV audio output to PCM or LPCM. [192KHz DAC Digital to Analog Converter] Accepts SPDIF or Coaxial digital input and outputs to L+R analog audio and 3.5mm stereo jack. Note: Please set your TV audio output to PCM or LPCM. [HDMI ARC CEC Volume Control] In HDMI ARC mode, volume can be controlled using your TVs remote control. Note: CEC functionality requires HDMI 1.4 or higher on both devices and a compatible HDMI cable. Ensure CEC settings are enabled on your TV for volume control to work. [SPDIF to Coaxial Bidirectional Converter] Converts SPDIF (Toslink/Optical) to Coaxial and Coaxial to SPDIF (Toslink/Optical). [Compact Design and Easy to Use] Features an aluminum alloy shell, compact size, and portable design. Compatible with Blu-ray players, DVD players, HDTV, TV boxes, and gaming consoles such as PS2, PS3, PS4, and Xbox. Style: HDMI ARC Audio Extractor Audio Format: PCM Sampling Rate: 192kHz Mode Selection: ARC, Coaxial, Optical Dimensions: 4 x 2.4 x 0.8 inches Setup Instructions: Set TV audio output to PCM or LPCM before use. Connection Steps: 1. Connect the adapters HDMI port to the TVs HDMI (ARC) port using an HDMI cable. 2. Connect the converters optical or coaxial input to the audio output of devices like DVD or PS3 using appropriate optical or coaxial cables. 3. Connect the output to your amplifier or speaker system using optical, coaxial, RCA, or 3.5mm audio cables. 4. Power the device by connecting the USB power cable to the Micro-USB port. 5. Select the desired audio mode using the mode switch. Material: Aluminum Alloy Color: Black Package Includes: 1 * HDMI ARC Audio Extractor