40mm Piezo Buzzer

The 40mm Piezo Buzzer is a versatile piezoelectric transducer element ideal for transforming acoustic vibrations into electrical signals. This flat disc element is often used as a sound pickup in DIY instruments like cigar box guitars, percussion boxes, foot stompers, and other sound-based projects. With its reliable piezoelectric ceramic layer, the disc responds sensitively to physical vibrations and transmits them accurately as audio signals to amplifiers or sound systems.

Whether you’re building your own string instrument or retrofitting a percussive unit, this buzzer disc offers a compact, high-sensitivity solution. It’s a must-have for hobbyists, musicians, and makers who want to add professional sound pickup capabilities to their builds without investing in complex electronics.

🔧 Key Features

• 40mm diameter piezo disc – ideal for cigar box guitars and stompers
• Converts mechanical vibrations to electrical signals
• High sensitivity for acoustic applications
• Easy to mount with glue or double-sided tape
• No external power needed – completely passive pickup
• Compact and lightweight for embedded use

📐 Technical Specifications

📌 Applications

• Cigar box guitars and other homemade string instruments
• Foot stompers and percussion pickups
• Vibration sensors in musical or robotics applications
• DIY audio projects and experimental instruments

💡 Why Choose This Piezo Disc?

The 40mm Piezo Buzzer provides an affordable, effective solution to add vibration-to-signal conversion to any project. It’s ideal for makers and musicians looking to electrify their acoustic devices without complex wiring or active circuitry.

📦 Package Includes

• 1 × 40mm Piezo Buzzer Element