The Lectrosonics UM400A is a UHF body-pack transmitter for use with the UCR411 receiver. The transmitter features 256 user selectable UHF frequencies and digital hybrid signal transmission for optimum range while minimizing noise. Incoming audio signal is digitized at 24-bit resolution, eliminating the noise and artifacts associated with analog compandors.The result is greater range with minimal noise. The improved TA5-male servo input is compatible with any microphone or cable featuring a TA5 connection. The input level is automatically matched, allowing use with low impedance mics, electret lavalier mics with positive or negative bias and line level devices. The receiver features a comprehensive LCD and low cut filter. A full 100mW output power is achieved on a single 9V battery.