Feature

●High performance: resonance frequency 4.6 +/- 0.5 KHz, resonance impedance max. 300 ohms, low power consumption and high sensitivity
●【High Quality】: Made of brass and ceramic, temperature resistant, stable, durable and long service life
●Size: Piezo pickup plate diameter 27 mm, thickness 0.4 mm; wire length 100 mm (3.93 inches), small, thin and lightweight
●【Easy to use】: these pre-wired piezo pickups are easy to install and use in cigar box guitars, foot tampers and other homemade instruments for sound and vibration detection
●【Wide Use】Perfect for beginners to use as touch sensors, electronic drum triggers, buzzer, own contact microphones, also for watches, cameras, phones, electronic toys, computers, etc


Description

Product description:
Size: 27 mm.
Specification
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 degrees Celsius-+70 degrees Celsius.
External Diameter:27mm / 1.06 Inch.
Inside Diameter:20mm /0.79 Inch.
Lead length: 10 cm / 3.93 inches.
Suitable for DIY projects, contact microphones, cigar box guitar pickups, touch sensors, drum triggers, homemade speakers, buzzers, etc.

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