20 Pcs 35mm Piezo Pickup Transducer Contact Microphone Trigger Sound Sensor Piezo Amplifiers Discs with 4" Lead for Acoustic Guitar Drum Acoustic Instrument [FDXGYH] home2023 convenient for you to mark

convenient for you to mark other items

Available in a variety of sizes to keep in your gym bag or at home

Do housework

stronger for stick on

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20 Pcs 35mm Piezo Pickup Transducer Contact Microphone Trigger Sound Sensor Piezo Amplifiers Discs with 4" Lead for Acoustic Guitar Drum Acoustic Instrument [FDXGYH] home2023 convenient for you to mark20 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