TIMESETL 15pcs Piezo Pickup 27mm Piezo Amplifiers Discs with 13" Leads for Acoustic Guitar Drum

TIMESETL Piezo Disc Elements -- High Quality Specification: Base Material:Brass Size: center disc measures approx 27mm diameter, 0.4mm thick, cord length 33mm Type:External drive type element Resonant Frequency:4.6 ± 0.5 KHz Resonant Impedance:300Ω max TIMESETL Acoustic Pickup -- Wide Usage Perfect for using as touch-sensors, electronic drum triggers, buzzers or making your own contact mics. Widely used in computers, printers, copiers, alarm, electronic toys, automotive electronics, telephones, timers and other electronic products for the sound device. Delivery 15 pcs x Piezo Disc

• [High Quality] Made of brass and ceramic, temperature resistant, stable, durable and long service life
• [Size] Piezo pickup plate diameter 27mm, thickness 0.4mm; wire length 33mm(13"), small, thin and lightweight
• [High Performance] Resonant frequency 4.6 +/- 0.5 KHz, resonant impedance 300 ohms max, low power consumption and high sensitivity
• [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
• [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