Enhance your guitar playing experience with the piezo disc. Crafted with precision, it features a brass construction that sound quality. The cable is long enough and provides flexibility. Installing this pickup is a breeze, making it suitable for different guitar types and other audio equipment. Features -Color:Golden -Material:Brass -Size:27.00X3.50X3.50cm/10.61X1.38X1.38in -Disc diameter:35mm -Thickness:0.4mm -Cord length:250mm -Resonant Frequency:1.8 +/- 0.3 KHz -Resonant Impedance:300 max -Static : 50000PF +/- 30% - Improve audio effect: The piezo pickups are designed to enhance the overall tone of your guitar or other audio devices, providing an enjoyable audio experience. - Compact and lightweight: Piezo discs do not add any significant weight or bulk to your instrument, ensuring that it remains comfortable to play. - Pre- pickups: These trigger buzzers are pre- , which means that you do not need to spend much time making wiring or connections. - Enhanced durability: Made of brass materials, these piezo amplifiers discs are resistant to wear and tear, will keep working during a longer time. - Versatile and practical: The piezoelectric discs are widely applicable as electronic drum triggers, buzzers, contact microphone pickups and more. Package list: 15 x piezo pickups