[HDMI ARC Audio Extractor] Supports HDMI Audio Return Channel (ARC) functionality to extract audio from compatible TVs and output it via SPDIF, coaxial, L+R RCA, and 3.5mm analog outputs. For optimal performance, set your TV’s audio output to PCM or LPCM.[192kHz DAC Digital-to-Analog Converter] Converts SPDIF or coaxial digital audio input to stereo analog audio output via L+R RCA and 3.5mm jack. Ensure your TV audio output is set to PCM or LPCM.[HDMI ARC CEC Volume Control] Enables volume adjustment using your TV’s remote control when in HDMI ARC mode. CEC requires HDMI 1.4 or higher on both the TV and HDMI cable. Enable CEC settings in your TV’s menu for this feature to function.[SPDIF/Coaxial Bidirectional Converter] Converts between optical (Toslink) and coaxial digital audio signals in both directions.[Compact and User-Friendly Design] Features an aluminum alloy enclosure, compact dimensions (4 x 2.4 x 0.8 inches), and broad compatibility with Blu-ray players, DVD players, HDTVs, TV boxes, PlayStation consoles (PS2, PS3, PS4), and Xbox systems.Style: HDMI ARC Audio Extractor Audio Format Support: PCM, LPCM Maximum Sampling Rate: 192 kHz Operating Modes: ARC, coaxial, optical Material: Aluminum alloy Color: Black Setup Instructions: - Set your TV’s audio output to PCM or LPCM before use. Connection Steps: 1. Connect the extractor’s HDMI port to your TV’s HDMI ARC port using an HDMI cable. 2. Connect the optical or coaxial input to your source device (e.g., DVD player or game console) using the appropriate cable. 3. Connect the output to your amplifier or speaker system using optical, coaxial, RCA, or 3.5mm audio cables. 4. Power the device using the included USB power cable connected to the Micro-USB port. 5. Select the desired input mode using the mode switch. Package Includes: 1 x HDMI ARC Audio Extractor 1 x USB power cable 1 x User manual