Audio-Technica ATW-1421/L System 20 PRO Dual Lavalier Microphone System

The Audio-Technica ATW-1421/L System 20 PRO Dual Lavalier Microphone System is a high-performance digital wireless solution designed for professional audio environments. This system includes a 4-channel receiver, two body-pack transmitters, and two MT830cW lavalier microphones, offering a complete setup for presentations, performances, and broadcast applications.

Operating in the 2.4 GHz frequency range, the system ensures interference-free transmission and supports both Standard mode (up to 10 channels) and HD mode (up to 20 channels), allowing users to optimize for latency or channel density. The receiver can be rack-mounted or remotely positioned up to 328 feet away, providing installation flexibility.

Each receiver channel can be paired with up to four transmitters, enabling seamless switching between microphone setups. The system features OLED displays for clear visibility of settings and status indicators, and includes auto-lock functionality to prevent accidental changes during use.

The body-pack transmitters feature water- and sweat-resistant cW-style connectors, compatible with a wide range of lavalier and headworn microphones. Both transmitters support recharging via Audio-Technica’s charging docks, making the system ideal for demanding environments where reliability and clarity are essential.