... strength shell,light weight,water proof,and anti-corrosive car alarm speaker-YJH-150 (car speaker,siren and speaker)high strength ... , light weight, water-proof, anti-corrosive8 tones to be collected with sirensize: 206*132*186mmpower: 150WImpedance: 4Ωweight: 3.50kgSPL: ... 120-125dBdistortion: <5%to be worked with sirens and microphone car alarm speaker-YJH-150(car speaker,siren and speaker)