1. Product Introduction

The COMTOM CC-A21B wireless conference chairman and delegate unit is a high-performance digital conference terminal device designed for professional wireless meeting environments. It is widely deployed in government conference rooms, corporate boardrooms, hotels, training centers, universities, and institutional meeting systems, where stable wireless communication and high-quality voice pickup are required. It works with a central conference host to form a complete wireless conference system solution.

2. Core Advantages

The CC-A21B features a 40cm gooseneck microphone tube with a high-fidelity unidirectional condenser capsule, ensuring accurate voice pickup with low noise and high clarity. The red LED ring indicator provides real-time working status feedback. The system uses intelligent MCU digital control with excellent immunity against mobile phone interference and electromagnetic noise, ensuring stable performance in dense wireless environments. The chairman unit supports priority control function, allowing instant muting of all delegate units when necessary for meeting control.

3. Application Scenarios

This wireless conference system microphone unit is widely used in professional meeting environments requiring flexible and scalable discussion systems. In government conference halls, it supports formal decision-making meetings with chairman control. In corporate boardrooms, it enables structured discussions with clear speaker management. In hotels and convention centers, it is used for seminars and multilingual conferences. It is also widely deployed in universities, training centers, and enterprise meeting environments where stable digital wireless conference systems are required.

4. System Features & Operation

The CC-A21B includes a TFT color display showing unit ID, speech mode, and working status for real-time monitoring. It supports silent touch operation and hot-swap functionality for easy installation and maintenance. The system supports daisy-chain connection via 8P cable, ensuring flexible expansion and stable communication. Powered directly by the main controller (DC24V), it ensures ultra-low power consumption while maintaining high-fidelity audio performance. The curved base design enhances stability and aesthetic appearance in professional conference system environments.

5. Why COMTOM?

COMTOM provides the CC-A21B as part of its professional wireless conference system product ecosystem, supporting OEM/ODM customization for global distributors and system integrators. Compared with traditional conference microphones, COMTOM offers stronger RF stability, better anti-interference performance, and deeper integration with centralized control systems. It is widely used in large-scale digital conference system projects across government, corporate, and institutional environments requiring reliable wireless meeting solutions.