30pcs 41mm Piezo Buzzer Disc with Copper Plate Wired Lead Acoustic Sensor for Guitar Drum Trigger

High Sensitivity & Low Power Consumption 41mm piezoelectric ceramic disc; 6.0 ± 0.7 kHz resonant frequency; 35000 ± 30% capacitance; 1.5 -30V operating voltage; 1.8 µA sleep mode current; ideal for acoustic instrument pickups and contact microphones; Durable Copper Plate Construction Crafted from copper plate and ceramic; -20°C to 70°C operating range; resistant to mechanical stress; suitable for long-term use in homemade instruments and vibration sensors; Pre-Wired for Quick Setup Fully assembled with copper plate wired lead; no soldering required; compatible with Arduino, Raspberry Pi, and STM32; easy integration into DIY electronics projects; Wide Compatibility & Reliable Performance Works with guitar drum triggers, touch sensors, and sound detection systems; supports multiple development platforms; ensures stable operation in various environments; Designed for Creative Makers Perfect for box guitars, homemade speakers, and electronic percussion devices; enhances acoustic-to-electric conversion; suitable for beginner and advanced DIY enthusiasts