20 Pcs 35mm Piezo Pickup Transducer Contact Microphone Trigger Sound Sensor Piezo Amplifiers Discs with 4″ Lead for Acoustic Guitar Drum Acoustic Instrument [FDXGYH]

Specification Plate Material: Brass Color: Brass Resonant Frequency: 1.8 +/- 0.3 KHz Resonant Impedance: less than or equal to 300 Ohms Static Capacitance: 50000PF +/- 30% Storage Temop:-30 degree Celsius-+70 degree Celsius External Diameter: 35mm / 1.38 Inch Inside Diameter: 24mm / 0.94 Inch Lead Length: 10cm /3.94 Inch Package included: 20pcs Piezo Disc Transducer

Features

• Resonant Frequency: 1.8 +/- 0.3 KHz | Resonant Impedance: less than or equal to 300 Ohms |Static Capacitance: 50000PF +/- 30%.
• External Diameter: 35mm / 1.38 Inch | Inside Diameter: 24mm / 0.94 Inch | Lead Length: 10cm /3.94 Inch.
• Plate Material: Brass.
• Application: Suitable for DIY projects, contact microphones, cigar box guitar pickups, touch sensors, drum triggers, homemade speakers, buzzers, etc.
• Package included: 20pcs Sound Sensor with with 4 inch/10cm wires.