Hey! I think the best alternative now is just an audio I/O switch from Amazon, probably not as good but it does the job. 4-Way 3.5mm Stereo Audio Switch Input Signal Source Switcher Selector Splitter Box with line Volume Controller?4 in 1 Out / 1 in 4 Out?-MC41 https://www.amazon.com/dp/B09KLH5GHK/ref=cm_sw_r_apanp_dhuaWf9iFLBb5