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

• 1. Made of brass and ceramic, temperature resistant, stable, durable and long service life
• 2. [Size] Piezo pickup plate diameter 27mm, thickness 0.4mm; wire length 330mm(13""), small, thin and lightweight
• 3. [High Performance] Resonant frequency 4.6 +/- 0.5 KHz, resonant impedance 300 ohms max, low power consumption and high sensitivity
• 4. [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
• 5. [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

"""About this item: 1. Made of brass and ceramic, temperature resistant, stable, durable and long service life 2. [Size] Piezo pickup plate diameter 27mm, thickness 0.4mm; wire length 330mm(13""""), small, thin and lightweight 3. [High Performance] Resonant frequency 4.6 +/- 0.5 KHz, resonant impedance 300 ohms max, low power consumption and high sensitivity 4. [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 5. [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: Base Material:Brass Size: center disc measures approx 27mm diameter, 0.4mm thick, cord length 330mm Type:External drive type element Resonant Frequency:4.6 ± 0.5 KHz Resonant Impedance:300Ω max Package Included: 15x Piezo Discs"" "