Features: Audio Separation Function: Input HDMI2.0B audio separation to Optical, Coaxial, AUX, and HDMI audio output only; Supports video resolution of 480/576/720/1080/ 4Kx2K25/30/60Hz/ 4K120Hz 8K30Hz ; Supports lossless output, meaning audio separation without affecting HDMI output, ensuring complete input-output synchronization; Supports ARC mode, and HDMI audio can also output synchronously; HDMI audio output is fixed at HDMI1.3, with a maximum support of 7.1, perfectly solving amplifier mismatch issues Specifications: Material: Aluminum Alloy Size: Approx. 9.8x6.3x2.7cm/3.86x2.48x1.06in Supports Ultra-clear 4K60Hz/4K120Hz 8K30Hz; Supports HDMI2.0b and is backward compatible with HDMI1.0, HDMI1.3, and HDMI1.4 Supports HDCP Version: HDCP2.3 backward compatible with HDCP1.4 HDCP Removal Support: Effectively resolves HDCP compatibility issues with some HDMI devices Supports PCM, 7.1LPCM, DTS, AC-3, Dolby Panorama (HDMI port only), and high-definition audio. Audio Return Support: eARC/ARC dual mode, perfectly solving the issue where old HDMI amplifiers do not support eARC; Supports HDR10/HDR10+; Dolby Horizon Power Adapter: UK/ EU/ AU/ US Optional Note: Due to lighting effects and shooting angles, there may be some tolerances in the product, please understand. Please allow 0-1cm error due to manual measurement. Package Includes: 1 x HD365PRO Audio Extractor Host 1 x Power Adapter 1 x Power Cable 1 x Optical Cable 1 x 3.5MM to L/R Lotus Audio Cable