Application:
（1） Allows vehicles 100 meters away to hear the broadcast clearly, suitable for expressway long-distance sound reinforcement and emergency weather forecasting；
（2） Special places such as wildlife sanctuary, chemical industry, power station, traffic control area, airport, etc.；
（3） The shell made by aerospace industry technology is resistant to acid and alkali, salt spray, and can withstand high-strength shock and vibration
Features:
（1）Model NO:HS-50B
（2）Rated power：50W
（2）Input voltage：70/100V audio
（3）Rated impedance：4Ω/8Ω
（4）Frequency range：250-8000Hz
（5）Sensitivity：108 dB±3
（6）Maximum sound pressure ：125 dB±3
（8）Beam width(H×V) ：90° ×60° @2.5kHz/-6dB
（9）Voice transmission distance： 250m
（10）Speech intelligibility（STIPA）：0.8
（11）Dimension：293.5×95×250(mm)
（12）Net weight ：5kg
（13）Windproof grade：≥12 degree
（14）Enclosure rating ：IP56
