WIRELESS OPERATION: Quad channel VHF wireless microphone system to enjoy cable-free operation. Metal build receiver for durability and high quality plastics component build handheld mics for light-weight feature. Individual volume control to precisely balance and adjust vocal sound. Green LED lights above each volume knob enable users visualize the pair up between receiver and transmitters | RELIABLE PERFORMANCE: Cardioid mic capsule enables easy sound pickup and smooth sound transmission, delivering state-of-art clear true sound performance. Stable fixed VHF signal ensures unsurpassed interference-free distortion-free operation, operating distance is up to 160ft line of sight in open space. Perfect for meetings, public speaking, interview, group karaoke, broadcasting, church, and outdoor events | VERSATILE USE: Easy setup wireless microphone system and convenient operation with ON/MUTE/OFF switch on both cordless mic and bodypack. Metal receiver features 2 XLR outputs and one 1/4’’ audio output jack to connect to your amplifier, mixer, or other PA system. Additional Phenyx Pro bodypack/headset/lapel mics can be purchased and added to the system for more flexibility | BOX CONTENTS: 1 x 4-channel wireless mic receiver, 4 x handheld wireless mics, 1 x 1/4‘’ audio cable, 1 x power adapter, 1 x user manual, 8 x AA battery for 16hrs long hour use, 1 x 6.5mm to 3.5mm jack adapter | DEVOTED SERVICE: Genuine Phenyx Pro audio products come with 12-month manufacturer assurance and supportive customer service. Welcome to come to us for troubleshooting or replacement of discontinuous/defective parts.