sourcing map 10Pcs Piezo Discs 20mm Acoustic Pickup Transducer Microphone Trigger Buzzer CBG Guitar w Alumnium Cover

• [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 20mm/ 0.79 inches, thickness 2mm/ 0.08 inches; small, thin and lightweight, package: 10 Pcs x buzzer film.
• [High Quality] 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 device, 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: 20mm/ 0.79 inches * Thickness: 2mm/ 0.08 inches * Material: Iron * 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