150w neodymium magnet aluminum warning alarm loudspeaker

HS-150D  150w high power neodymium magnets  aluminum warning alarm speaker for emergency system You can consider the following characteristic of Emergency Siren Speakers: *High quality materials; *Waterproof , dustproof, and Strong corrosion preventive; *Sound loud,the tones can be heard clearly even a mile away; * long service life *High power and low impedance output etc.  Specification Input Power: 150W Impedance:8Ω/11Ω Freq.Resp.: 300-4500HZ S.P.L(1M/1W,1000HZ):126dB Magnet:Neodymium Back Material:  Aluminum die-cast    Dimension:218W*238H*42.5L MM                 Packing & Payment To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided. Company Introduction…