Performance
Maximum Volum(SPL) : Over 151 dB (front 1m) , Under 90 dB ( backside 1m )
Communication range(SPL) : SPL over 80 dB at 1 Km (Hailing), over 70 dB at 2 Km
Frequency Range : 200 Hz to 5 KHz
Amplifier Output : 400 Watt
Acoustic Beam Width : +- 15 degree
Power Input : 100 - 240 VAC
Environment : MIL-STD-810F (Military Standard), MIL-STD-461E(EMI)
Size and Weight : 45 cm(Diameter) 70 cm(Thickness) 30Kg(Weight)
Used for military and police purpose.
Transmit critical information, instructions and warnings well beyond 1000 meters