This HDMI audio extractor splits audio signals from HDMI video sources while outputting complete high-definition video to your TV, monitor or projector. It offers three audio output interfaces for flexible audio matching: intact HDMI audio, digital Toslink SPDIF for surround sound speakers, and analog 3.5 mm AUX port for headsets or desktop speakers. It supports up to 4K@60Hz resolution, backward compatible with 1080P, 720P and 3D video formats. Conforming to HDCP 2.2 standard, it avoids black screen and playback interruption when using copyright-protected media devices. No complicated software or extra driver installation required. Simply plug in all devices to start using instantly. It widely matches game consoles, Blu-ray players, streaming sticks, laptops and set-top boxes, ideal for home theater, gaming and multimedia setups where you need separate audio output without replacing your display.