APM-TEC Diameter (mm) Height (mm) Voltage (VDC) Operating voltage (VDC) Resonance Frequency (Hz) *Minimum Sound Pressure Level  (dBA) Tone Housing material Termination
APM-PB23.512P 23,5 9,5 12 3 – 20 3,600 ± 500 90dB at 10cm Continuous Noryl PIN