15pcs Piezo Pickup 20mm Piezo Amplifiers Discs Piezo Disc

Features:

1. [High Quality] Made of brass and ceramic, temperature resistant, stable, durable and long service life.

2. [Size] Piezo pickup plate with thickness in 0.4mm, small, thin and lightweight.

3. [High Performance] Resonant frequency 4.6 +/- 0.5 KHz, resonant impedance 300 ohms max, low 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.

Specifications:

Type: 20mm diameter & 250mm cord length / 27mm diameter & 330mm cord length / 35mm diameter & 250mm cord length (Optional)

Material: Brass

Thickness: 0.4mm thick

Resonant Frequency: 4.6 ± 0.5 KHz

Resonant Impedance: 300? max

Package Weight: 50g/70g/70g

Package Size: 15*10*5cm

Package List:

15*Piezo Discs

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