Feature: 1. SOUND CAPTURE: With high sensitivity and a wide frequency response range, piezo discs accurately capture and amplify the sound of musical instruments with clarity and brightness. 2. RELIABLE PERFORMANCE: Piezo disc transducers are manufactured with premium materials for durability and stability, guaranteeing long-lasting reliable performance. 3. VERSATILE USE: Piezo amplifier discs are suitable for a wide range of stringed instruments, such as guitars, fiddles, and ukuleles, as well as for amplifying other sound sources like sound analyzers. 4. EASY INSTALLATION: Piezo pickup discs are designed in a clip shape that can be easily attached to the sound holes of the instrument, enabling quick and simple installation without causing damage to the instrument. 5. LOW NOISE: Acoustic pickup piezo discs help reduce environmental sound interference, delivering a clean and clear o signal. Specification: Item Type: Piezo Discs Material: Brass Product Size: Diameter Approx. 20mm / 0.8in, Wire Length Approx. 250mm / 9.8in Package List: 15 x Piezo Discs Note: All data are measured manually; slight variations may occur.