Wireless Microphone System for Speaking Conference Wedding Party Microphone Set

Specifications Style: Modern Receiver Shape: Rectangular Color: Black Material: Semi-metal Surface Treatment: Spray Painting Voltage: 12V Power: 10W Frequency: 610-670mHz Plug Standard: US Standard Power Source: Corded/Battery Powered Battery Duration: 6-8 H Control Type: Manual Assembly Required: Yes Number of Microphones: 4 (Two Handheld Mics and Two Lapel Mics) Number of Channels: 4 Receive Distance: 50m/164.04ft Wireless Pattern: 1/4 Wavelength Whip Antenna (Bodypack), Helical Antenna (Handheld Mic) Audio Output: Real Balanced RF Output: 12dB Output Power: 30mW(High Power), 3mW(Low Power) Max Output Level: +10dBV Stray Rejection: >75dB Sensitivity Range: 12-32dB? V(80DbS/N) Gross Weight: 4kg/8.81 lbs Net Weight: 3kg/6.61 lbs.