High-quality 50mm Piezoelectric ceramic disc transducer ensures excellent sound pickup and compatibility with various amplifiers. Designed to interfering external sounds, providing a clear audio experience without influence from nearby objects. Large size allows for a sound collection area, making it easier to identify the best sound spots. Pre-wired and pre-soldered piezo and harness simplify installation, requiring only a drill hole and mounting. Suitable for most string instruments, including for Guitar, for Mandolin, for Violin, for Ukulele, and for Banjo. This high-quality piezo pickup is perfect for musicians looking to enhance their sound. With its easy installation process and ability to capture a wide range of audio, it is an excellent choice for various string instruments. Enjoy clear sound without interference, making it ideal for performances and recordings. Color: Black Material: Metal+Plastic Package Contents: 1*Acoustic Folk Guitar Pickups kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.