The main unit boasts a 256×64 OLED to display status and configuration. It is equipped with a high-performance DSP to manage audio signals efficiently and support conference audio recording and playback. It also features web page control, allowing users to access and control the system via a web browser. It offers multiple audio input/output options, including a USB interface and an SD card slot for recording and playback, an RS-232 port for integration with central control systems, and a video switcher interface, providing a comprehensive solution for versatile conference needs.