Shure ADX3 PLUG-ON TRANSMITTER, 470-616 MHz

The Shure ADX3‑G57 is a professional‑grade Axient Digital wireless plug‑on microphone transmitter designed for use with Axient Digital series receivers. It lets you turn almost any handheld or shotgun microphone with an XLR connector into a wireless transmitter. Featuring ShowLink remote control technology, secure AES‑256 encryption, and robust RF performance, the ADX3 provides reliable digital audio transmission for demanding live, broadcast, and production environments. Its durable, lightweight aluminum housing resists dust and moisture and is built for consistent field use. The unit supports both rechargeable Shure SB900‑series batteries and standard AA batteries, with intuitive controls and an OLED display for quick setup and monitoring.

Key Features — Organized and Clear

Wireless & RF Performance
• Axient Digital UHF wireless system
• Frequency band (G57): 470–616 MHz (region dependent)
• Selectable RF output: 2 mW / 10 mW / 35 mW
• Operating range up to ~100 m (line‑of‑sight)
• High‑Density mode for increased channel count in crowded RF environments
• AES‑256 encryption for secure digital audio transmission
• True diversity RF reception performance

Audio & Connectivity
• Custom, secure locking XLR 3‑pin female input for any handheld or shotgun mic
• Phantom power: switchable +12 V or +48 V for condenser microphones
• Automatic gain adjustment and manual gain range (-12 dB to +21 dB)
• Frequency response: 20 Hz – 20 kHz