second hand HDMI eARC Audio Extractor Adapter HDMI Switch 4 in 1 out-BUNGPUNG

4K HDMI Switch 4 in 1 out HDMI eARC Audio Converter Transmitter PRODUCT DETAILS the BUNGPUNG 4k HDMI switch 4 in 1 out is high quality and reliable solutions for connecting 4 HDMI source devices to a single HDMI display and switching between them. It supports video resolution up to 4K@60Hz, compatible with HDMI 2.0 HDCP 2.2 HDR.  It supports ARC/eARC function (only for the “INPUT 1(eARC)” port). It also supports advanced EDID management (AUTO/2.0CH/5.1CH/7.1CH selectable). When the ARC/eARC function is turned on, select the input port 1 as the HDMI input source, then connect the “INPUT 1(eARC)” port to a Soundbar (eARC compatible), and connect the “OUTPUT(eARC)” port to a TV (eARC compatible), the eARC audio signal will be transmitted from TV to Soundbar. (For example, when user watches TV APP, the Switcher will pass-through TV eARC/ARC audio to the Soundbar.)  When the ARC/eARC function is turned on, select the input port 2/3/4 as the HDMI input source. then connect the “INPUT 1(e