Shure QLXD1 Pocket Transmitter (606-670MHz)

Transmission range from 20 Hz to 20 kHz with a linear frequency response (depending on the microphone capsule used) Large dynamic range of more than 120 dB - without necessary gain adjustments on the transmitter AES 256-bit encryption for tap-proof transmission Up to 9 hours of continuous use with two AA alkaline batteries Shure SB900 lithium ion batteries can optionally be used. The intelligent SB900 offers up to 10 hours of continuous use and reports remaining usage time in hours and minutes External charging contacts for charging stations Backlit LCD with easy navigation menu and operation Selectable display mode shows group/channel, frequency or battery life 100 meter range under typical conditions 4- Pin Mini XLR plug contact (TA4M) Robust metal housing Removable lambda ¼ antennas