- Unique Optical to HDMI ARC Conversion: This adapter allows you to convert Optical SPDIF audio input to HDMI ARC output, ensuring compatibility with Sonos soundbars and advanced audio systems. - ARC Audio Extractor & DAC Converter: Easily switch between HDMI ARC and Optical SPDIF input methods. It converts digital Optical SPDIF audio to analog RCA/3.5mm output, making it suitable for HDTVs, HD DVDs, and home theater setups. - ARC to Multiple Outputs: In ARC mode, connect the adapter to your TV's HDMI ARC port. It enables audio output through HDMI ARC, Optical, RCA L/R, and 3.5mm headphone interfaces. - Digital-to-Analog Audio Conversion: For DAC mode, set the input to optical and connect to your TV or streaming device's Optical SPDIF output. This converts digital audio into high-quality analog stereo audio. - TV Settings for ARC: To optimize performance, ensure your TV has an HDMI port labeled 'ARC'; enable CEC in the menu settings, set audio output to HDMI (ARC), and choose PCM, LPCM, or Source format. - Volume Control in ARC Mode: Use your TV remote to adjust the volume when using RCA L/R or 3.5mm output through ARC. Note: Volume control is not available for coaxial or optical outputs. - High Sampling Rate: With a 192KHz high sampling rate, this converter delivers superior audio quality. It connects your TV to soundbars and AV receivers, enhancing your home entertainment experience. - Wide Compatibility: Compatible with various TV brands featuring HDMI ARC and Optical SPDIF or Coaxial ports, including Sony, Samsung, LG, Fire TV, and Roku TV. Use Scenarios: 1. Connect your TV to a Sonos soundbar for an immersive audio experience while streaming movies. 2. Use the DAC mode to connect your gaming console to an analog audio system for enhanced sound during gameplay. 3. Easily switch between multiple audio sources in a home theater setup to enjoy music and movies without hassle.