Audio signal constant voltage type with 100V input, housing protection rating IP65, maximum sound pressure level; 125 dB, effective bandwidth 300-5000 Hz, operating temperature;-20°C to 50°C, humidity;Less than 95% atmospheric pressure;80kpa-110kpa ；External dimensions;Dimensions: 245×280×130 mm. Interface size: 4-inch = M20 = 20 mm, DN15 = thread pitch 15 [Import specifications can be designed and produced according to user requirements]. Explosion-proof certification and test report.Available in 10W/20W/30W options, offered in two colors: gray-white and red.
