10PCS 41mm Piezo Disc Transducer Contact Microphone Trigger Sound Sensor with 3.94 Inches Wires for Acoustic Instrument，Mic Drum Trigger Acoustic Pickup CBG Guitar

描述

🎸 Amplify your sound, trigger your creativity!

This 10-pack of 41mm piezo disc transducers features brass and ceramic construction with a resonant frequency of 3.0~5.0 kHz and 300 ohms impedance max. Pre-wired with 3.94-inch leads, these high-sensitivity contact microphones are perfect for acoustic instrument pickups, electronic drum triggers, and DIY sound projects, offering durable, temperature-resistant performance for professional and hobbyist use.