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[High Performance] Resonant frequency 3.0~5.0+/- 0.5 KHz, resonant impedance 300 ohms max, low power consumption and high sensitivity.
[Size] Piezo pickup plate diameter 12mm/ 0.47 inches, thickness 0.3mm/ 0.01 inches; small, thin and lightweight, package: 10 Pcs x buzzer film.
[] Made of brass and ceramic, temperature resistant, stable, durable and long service life.
[Easy To Use] These pre-wired piezo pickups are easy to install, foot stompers and other home-made instruments for sound and vibration detection.
[Wide Usage] Perfect for beginner to use as touch-sensors, electronic drum triggers, buzzers, make your own contact mics, also used for watches, cameras, phones, electronic , computer, etc.

Description
* This item are brass piezoelectric discs which are essential parts for pickups of acoustic instruments. All the discs are made from selected copper, ensuring excellent conductivity and long-lasting use. It can be easily installed and suitable for many kinds of instrument like acoustic guitars, drums. Great for acoustic instrument pickups, stomp boxes, contact mics, etc.
Specifications:
* Drive Type: Piezo Discs
* Resonant frequency(kHz): 3.0~5.0+/- 0.5 KHz
* Resonant impedance (ohms): 300 max
* Diameter: 12mm/ 0.47 inches
* Wire Length: 95mm/ 3.74 inches
* Thickness: 0.3mm/ 0.01 inches
* Material: Brass
* Color: As shown
Package:
10 Pcs x Piezo Discs
Note: Due to the difference between different monitors the picture may not reflect the actual color of the item.