Feature

●【High Performance】: Resonant frequency 4.6 +/- 0.5 KHz, resonant impedance 300 ohms max, low power consumption and high sensitivity.
●【Material】: Made of brass and ceramic, temperature resistant, stable, durable and long service life.
●【Size】: Piezo pickup plate diameter 27mm, thickness 0.4mm;Wire length 330mm(13"), small, thin and lightweight.
●【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.


Description

Product description
Specification
Size:27mm
Plate Material: Brass.
Resonant frequency(kHz): 4.6+/- 0.5 KHz
Resonant Impedance: less than or equal to 300 Ohms.
Static Capacitance: 28000PF +/- 30%.
Storage Temop:-30 degree Celsius-+70 degree Celsius.
External Diameter:27mm / 1.06 Inch.
Inside Diameter:20mm /0.79 Inch.
Lead Length: about 33cm /12.99 Inch.
Suitable for DIY projects, contact microphones, cigar box guitar pickups, touch sensors, drum triggers, homemade speakers, buzzers, etc.

Package includes:
20 x 27mm Piezo Discs Piezo Pickup
20 x foam sticker