A 2.8" LCD screen with rotary control provides easy access to system settings. Featuring the CongressMatrix™ technology, the main unit enables microphone group outputs and ensures echo-free audio with Mix-Minus processing. It supports up to 8 active microphones, offering flexible voting options via software. With Type-C interface, it supports digital audio transmission and integrates smoothly with mainstream conference software. The dual redundant system with automatic recovery guarantees uninterrupted meeting continuity.