APM-TEC Diameter (mm) Height (mm) Voltage (VDC) Operating voltage (VDC) Resonance Frequency (Hz) *Minimum Sound Pressure Level  (dBA) Tone Housing material Termination
APM-PB26.312P 26,3 22,3 12 5 – 18 2,800 ± 500 100dB at 10cm Continuous Noryl PIN