Wireless microphone system with fixed UHF beltpack transmitter and half rack-width receiver. Supplied with a choice of neckband or lavalier microphones. The receiver unit is compatible with standard 19" racks using the included rack ears and front mounting antenna accessories.Power supply[tab]12-18Vdc, 350mA (mains adaptor included)[br]Batteries[tab]2 x AA (for transmitter - included)[br]Range[tab]60m[br]Signal to noise ratio[tab]>105dB[br]THD[tab]<0.5% @ 1kHz[br]Frequency response[tab]50Hz-18KHz ±1 dB[br]Image rejection[tab]>85dB[br]Output impedance[tab]2.2k Ohms[br]Output level[tab]400mV (balanced), 200mV (unbalanced)[br]Dimensions : receiver[tab]44 x 198 x 190mm[br]Weight : receiver[tab]710g[br]Dimensions : transmitter[tab]205 x 68 x 25mm[br]Weight : transmitter[tab]76g (no battery)Carrier frequency[tab]864.1MHz