Original
By certification 
Model Number: SH-552.
Brand Name: BIL/BETTERWAY
Key Specifications/Special Features:
Adaptable power supply: 220V AC/50HzPeak power: 80W maximumImpedance: 8 OhmsFrequency response range: 150 to 18,000HzSensitivity: 88dBFrequency range: VHF 165 to 265MHz (60 groups of frequency range for selection, if using 60 sets of this system in 60 classrooms at the same time, there is no interference with each other)
Oscillating method: +/-0.005% quartz oscillating locked
Wireless effective distance: 50m
Shipping Information:
- FOB Port: Guangzhou, Shenzhen or Jiangmen
- Lead Time: 25 - 35 days
Main Export Markets:
- Asia
- Australasia
- Central/South America
- Eastern Europe
- Mid East/Africa
- North America
- Western Europe
