15 Pack 27mm Piezo Disc Transducers Contact Microphones With 4 Inch Wires For Acoustic Instruments Ideal For Guitars Mandolins Ukuleles And DIY Audio Projects

15-Pack 27mm Piezo Discs for DIY Instrument Pickups
✔️ Brass 27mm piezo discs, 3.5kHz, <=300Ω, 28000pF, 10cm leads

These 27mm brass piezo disc transducers are handy contact microphones used on guitars, mandolins, ukuleles, cigar box guitars, and other DIY acoustic projects. They capture vibrations from the instrument body and convert them into an electrical signal for amplification or recording.

✅ Plate material: Brass; external diameter 27mm (1.06"), inside diameter 20mm (0.79")
✅ Resonant frequency: 3.5 +/- 0.5 kHz
✅ Resonant impedance: <= 300 Ohms
✅ Static capacitance: 28000 pF +/- 30%
✅ Lead length: 10 cm (3.94")
✅ Package contents: 15 PCS
✅ Storage temp: -30 to +70 C
✅ Suitable for DIY projects: contact mics, cigar box pickups, touch sensors, drum triggers, homemade speakers, buzzers

💡 What is a piezo disc transducer used for in DIY audio projects?

- Piezo discs convert vibrations into electrical signals, handy for contact mics on guitars, violins, mandolins, and ukuleles - Great for cigar box guitar pickups, drum triggers, and homemade speakers - Works with high-impedance preamps for clear, punchy sound