Samson Concert 88 Module for XP310/XP312 with LM8 Lavalier Microphone - K Band

Frequency-agile UHF wireless system Up to 100 available operating channels IR sync wirelessly matches receiver and transmitter frequency Tone key prevents unwanted noise when transmitter is off/out of range Transmitter offers up to eight hours of battery life using two AA batteriesYou may also like AirLine ATX Series - AHX Headset System.