ULXD2 handheld transmitter pairs with the SM58 cardioid mic, delivering pro-level audio quality and RF performance. Shure digital processing technology provides extended 20-20kHz frequency range and flat response with full dynamic range for clear signal-to-noise performance. Gain Ranging optimizes dynamic range with no need for adjustment, plus AES 256-bit encryption for secure transmission. In addition, advanced rechargeability offers extended transmitter battery life, metering & tracking. ULX-D delivers industry-leading performance for pro sound reinforcement.