Product Review

Features:
5pcs of prewired 35mm wide brass piezoelectric discs
These are perfect for using as touch-sensors, electronic drum triggers, buzzers, or making your own contact mics.
Uncased piezo elements
Speech and music applications
Wide tonal response

Piezo-element Specification:
Type: External drive type element
Metal Plate Diameter: 35mm
Resonant Frequency: 2.6 ± 0.5 KHz
Resonant Impedance: 400Ω max
Capacitance: 40000pF ± 30% at 100Hz
Input Voltage: 30Vp-p max
Operating Temperature:-20 to +70°C
Storage Temperature:-30 to +80°C
Base Material: Brass

Package Included:
20PCS 35mm Piezo Elements buzzer Sounder Sensor Trigger Drum Disc