Shure QLXD2/SM58 S50, Digital UHF handheld transmitter, Frequency band: H50 (823 - 865 MHz), With dynamic SM58 capsule, Audio signal: 24 Bit / 48 kHz, AES-256 encryption for uninterceptable transmission, Up to 72 MHz switching bandwidth, 22 Compatible channels in an 8 MHz TV band, Switchable transmission power: 1/10 mW, 120 dB Dynamic range, Metal handheld transmitter with dynamic SM58 microphone capsule, Polar pattern: Super-cardioid, Frequency transmission via infrared interface, Transmitter operation with 1.5 V AA batteries, Optionally also with SB 900 lithium-ion battery, Includes bag and microphone holder
