... ΩS.P.L(1W/1M)≥106dBFrequency(Hz)200-5000Dimensionsø120*75Magneticø120*60*20mm Horn Speaker,loudspeaker;alarm speaker;Horn Driver unit , ... Horn Speaker, Loudspeaker,driver unit,alarm speakerAlarm Speaker;Warning Light;Alarm Lamp; Flash ... Range, Hz: 200-10000 Impedance, ohms 4/8/16 S. P. L. W/M, dB: 110 GT2-1102 horn driver unit