BE46.5×15.5-125-YX 1KB·Al alarm working conditions are 24V voltage, 300~3400Hz frequency working range, operating temperature of -40~+85℃. Our company is China professional electroacoustic manufacturer with 50 years history. We also produce Microphone, Receiver, Speaker and Buzzer. If you have any need, please contact us. Product Name 24V Mini Fire Siren BE46.5×15.5-125-YX 1KB·Al Product picture Characteristics No. Item Specifications 1 Rated Voltage 24Vp-p 2 Operating Voltage range 1~30 Vp-p 3 Coil Resistance 19Ω±10% 4 AC Impedance at 1kHz 125Ω±25% 5 Sensitivity at 1kHz 1000mV 118±3dB 6 Minimum SPL 95dB(at 1m 24Vp-p 1KHz) 7 Frequency range 300~3400Hz 8 Operating Temperature -40~+85℃ 9 Storage Temperature -50~+95℃ 10 Housing Material …