4 CHANNEL RECHARGEABLE WIRELESS MICROPHONE SYSTEM ZERFUN G8 Rechargeable Wireless Microphone System Pro that comes with 4 rechargeable bodypacks 4 headset mics 4 lapel mics and metal receiver box with individual volume control Furthermore It also featured with automatic frequency scanning and automatic transmitter setup for easy synchonization between transmitter and receiver VERSATILE OUTPUT The devices and the chassis for the receiver are made from metal The receiver has balanced 4 XLR outputs one for each channel and one mixed 1 4 Inch one mixed 1 8 Inch output of all channels making them more versatile usually the receiver needs to be plugged into another device such as an audio interface an amplifier or a mixing board BATTERY INFO amp TRANSMISSION RANGE Each microphone use built in rechargeable battery Microphone Working Time 7 Hours When full charged This ZERFUN Wireless Microphone System can support up to 200 feet range 50 compatible frequencies on each channel 4 X 50 for interference free reception The UHF frequencies range within 500 599 MHz are compliant with the FCC regulations WHAT 39 S IN THE BOX ZERFUN Rechargeable Bodypack x 4 Headset Microphone x 4 Lavalier Lapel Microphone x 4 G8 Receiver Box x 1 Antenna x 2 Power Adapter x 1 6 35mm to 6 35mm Cable x 1 3 5mm to 3 5mm Cable x 1 Audio Cable x 1 User Manual x 1 Genuine ZERFUN Wireless Microphone products come with supportive 24 Hours After Sales Customer Service 12 month Manufacturer Assurance