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: 35mm/ 1.38 inches * Thickness: 0.3mm/ 0.01 inches * Cable Length: 30mm/ 1.18 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

• [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.

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