A Y adapter will get you to mono. The subwoofer generally has its own low pass filter; you can feed it anything but it will only reproduce bass. Live sound at a show is a whole different animal; I thought you were just setting up a bar.


BIAB 2024 Win Audiophile. Software: Studio One 6.5 Pro, Swam horns, Acoustica-7, Notion 6; Win 11 Home. Hardware: Intel i9, 32 Gb; Roland Integra-7, Presonus Studio 192, Presonus Faderport 8, Royer 121, Adam Sub8 & Neumann 120 monitors