关键词：20mm Piezo Discs

About this item:
1. [High Quality] Made of brass and ceramic, temperature resistant, stable, durable and long service life
2. [Size] Piezo pickup plate diameter 20mm, thickness 0.4mm; wire length 250mm(10inch), small, thin and lightweight
3. [High Performance] Resonant frequency 5.6+/-0.5 kHz, resonant impedance 300 ohms max, low power consumption and high sensitivity
4. [Easy To Use] These pre-wired piezo pickups are easy to install and use in cigar box guitars, foot stompers and other home-made instruments for sound and vibration detection
5. [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 toys, computer, etc

Description:
Base Material:Brass
Size: center disc measures 20mm diameter, 0.4mm thick, Cord length 250mm
Type:External drive type element
Resonant Frequency:5.6+/-0.5 kHz
Resonant Impedance:300Ω max
Static Capacitance: 50000PF +/- 30%

Package Included:
15x Piezo Discs