Our main products include PIEZO ELECTRIC BUZZER, MAGNEZTIC BUZZER, PIEZO, ALARM, SPEAKER, MICROPHONES, HEADPHONE, EARPHONE, etc. To this date, we have three factories, twelve product lines and numerous workshops, which cover over 12000 square meters.

Rated Voltage 12Vp-p Square Wave
Max. Allowable Voltage 30Vp-p Square Wave
Max. Rated Current 3mA at 4.0KHz/12Vp-p Square Wave
Min. Sound Pressure Level 80dB at 4.0KHz/12Vp-p Square Wave/30cm
Resonant Frequency 4.0 +-0.5KHz
Capacitance at 120Hz 24nF+-30%
Operating Temperature -20~+6 C
D(mm) 23
H(mm) 4