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:300O 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