*Using UHF740-840MHz band to avert interferencing frequency
*All using quartz crystal oscillating circuits so the frequency is very steady
*Special design companding circuit, strongly improve S/N ratio
*Multilevel quiet control circuit,to avoid interference signal from outside open the mute system
*Using excellent dynamic cardioid direct cartridge, the timbre bright and clear
*All ready output and input socket, it will be more convenience to connect every equipment