... SPEAKER)Horn Speaker & loudspeaker for electronic siren for Ship and boat, electronic siren:model:YHC5-1power:5(15)Winput voltage:70 ... -5000HzS.P.L:100dBmaterial:ALUM electronic siren for Ship and boat, electronic siren; Car Amplifiers;Horn Speaker;Alarm Speaker ,,Horn Speaker ... SPEAKER)Horn Speaker & loudspeaker for electronic siren for Ship and boat, electronic siren