Model Number: SH-552.-1
Brand Name: BIL/BETTERWAY
Key Specifications/Special Features:
Adaptable power supply: 220V AC/50HzPeak power: 80W (maximum)Impedance: 8 OhmsFrequency response: 150 to 18,000HzSensitivity: 88dB
Frequency 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