Special electronic circuitry for minimal noise distortion · Compact electronic transmitter & receiver circuit for good frequency transmission · Individual antennas for the VHF microphones to enhance their receiver to transmitter range. · Separate volume controls for both the VHF microphones · Mouth to Mike reception – 3-inch to 4-inch · Specially designed receiver compatible with high-quality pure quartz crystal · Easy installation & low power consumption · 12-volt adaptor to power the receiver · P38-P38 cable to attach receiver with amplifier · On/Off/Mute function for easy handling of Microphones · 9-volt Lithium batteries operated, Unidirectional Microphones, VHF compatible for appropriate professional work, 50m range from the receiver