High current 120 VAC equipment exists to service the RV industry among others. Here is a 30A outlet and there are 50A outlets as well if you want to overkill the overkill. An audiophools' imagination is a wonderful thing.
https://www.amazon.com/s?k=30a+120v+receptacle&gclid=Cj0KCQiA0-6ABhDMARIsAFVdQv8FwKC39yJpB-7u-Z8H5La4rmwXD4duyWg960ycHlxlASRdyYiHlE8aAipfEALw_wcB&hvadid=409929853638&hvdev=c&hvlocphy=9011085&hvnetw=g&hvqmt=e&hvrand=8013601524108138017&hvtargid=kwd-338944077800&hydadcr=8115_11327004&tag=googhydr-20&ref=pd_sl_1d0asvzcsc_ehttp://
https://www.amazon.com/s?k=30a+120v+receptacle&gclid=Cj0KCQiA0-6ABhDMARIsAFVdQv8FwKC39yJpB-7u-Z8H5La4rmwXD4duyWg960ycHlxlASRdyYiHlE8aAipfEALw_wcB&hvadid=409929853638&hvdev=c&hvlocphy=9011085&hvnetw=g&hvqmt=e&hvrand=8013601524108138017&hvtargid=kwd-338944077800&hydadcr=8115_11327004&tag=googhydr-20&ref=pd_sl_1d0asvzcsc_ehttp://