【2x1 HDMI Switch With Audio Extractor】4K HDMI 2.0 Audio Extractor at high performance. It has 2 HDMI Input and 1 HDMI output with audio Extract Function. Support ARC and eARC Function. The Extract Audio can be output by 3.5mm Audio Jack, Toslink SPDIF, Coaxial, HDMI Audio Port. It allows user to use the existing audio Receiver to receive 4Kx2K@60Hz, HDCP 2.3 content audio. The product also supports HDMI loop out, as well as 10bits HDR(High Dynamic Range).