How to connect to mutiple audio output? V24.0.3.3 (Latest update), running at windows 11 How could I connect to mutiple audio output devices and let them play different tracks' audio? It's like one of the track is playing full version of a song, which is planned to output into a earphone for singer, and another track is only remixed background, output to speakers. I tried but I had never succeed to connect two output divices (in my case, an earphone and a standard computer speaker without a built-in mixer, running MME at mode) at the same time, it seems like AU only reconize the one that I choose as "default output" in the hardware->audio device page, and the other device did not shows in the option of track output source. Maybe this type of work is impossible? but I did saw an example done by Adobe on it's offical "Audition helps" website. (Image of this usage example attached below). As far as I could understand, Adobe connect the earphone to mix-track B for drummer and output dirrectly via mix-track A to