20Pcs 12Mm Piezo Elements Sounder Sensor Trigger Drum Disc + Wire Copper

Features: 100% Brand New and High Quality Uncased piezo elements Speech and music applications Wide tonal response 12mm with flying leads Specification: Resonant frequency(KHz) Fs=9.0±1.0 Resonant impedance(Ω） Rr≤500Ω Capacitance at 120Hz(NF) Co=11±30% Operating Temperature(℃） -20∽+70 Storage Temperature(℃） -30∽+80 Color: As the pictures shown Material: Copper,PVC Size: Metal Plate Diameter(mm) : 12 Cable Length: 7cm Quantity: 20pcs The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.