HDMI ARC/eARC Audio Extractor with Optical, Coaxial, and 3.5mm Outputs High-Performance Audio Amplifier: Supports noise reduction and automatic signal muting. ARC/eARC Audio Transfer: This adapter transmits audio from ARC/eARC-enabled TVs to optical, coaxial, 3.5mm audio, and HDMI-only audio outputs simultaneously. Solves Audio Output Issues: Perfectly resolves problems where TVs lack audio output interfaces, preventing connection to sound systems. Supports Multiple Audio Formats: Separates audio from PCM, 7.1CH LPCM, DTS, AC3, Dolby Panorama, and other incoming HDMI-HD signals, outputting via optical fiber, 3.5mm, and HDMI-Audio Only outputs. Output Support: Supports SPDIF output. Supports Coaxial output. Supports 3.5mm stereo headphone output. Supports HDMI-Audio Only 7.1CH output. Specifications: Model: HD371 Material: Plastic Adapter Types: UK/ EU/ AU/ US (Optional) Supports 192KHz audio sampling rate transmission. Optical fiber and coaxial interfaces support 5.1 channel transmission. ARC/eARC and 3.5mm headphone output volume can be controlled by the TV (CEC). Note: Due to lighting effects and shooting angles, there may be slight tolerances in the product. Please understand. Please allow 0-1 cm error due to manual measurement. Package Includes: 1 x HD371 Audio Extractor 1 x 5V1A Adapter (Optional) 1 x USB Power Cable 1 x Optical Audio Cable 1 x 3.5 Audio Cable