Shure SLXD24E/Beta58 L56 - digital UHF wireless system; Handheld transmitter with dynamic Beta58A capsule; supercardioid; frequency response: 50 - 16.000 Hz; 140,5 dB max. SPL; Frequency range 650-694 MHz; 24 bit / 48 kHz audio transmission; 120 dB dynamic range; 44 MHz switching bandwidth; switchable transmission power 1 mW / 10 mW; 12 compatible channels per 8 MHz band; IR frequency and setting transmission; XLR/jack out; transmitter works with 2x 1,5V AA Battries or optional SB903 Lithium Ionen rechargeable battery; incl. 19 '' rackmounts, microphone clamp, storage bag and 2x AA batteries;