... speaker-YJH-150(car speaker,siren and speaker) High strength shell,light weight,water proof,and anti-corrosive car alarm speaker-YJH-150 ... (car speaker,siren and speaker)high strength shell, light weight, water-proof, anti-corrosive8 tones to ... : 3.50kgSPL: 120-125dBdistortion: <5%to be worked with sirens and microphone car alarm speaker-YJH-150(car speaker,siren ...