Specification Brand : XYRSTOLR BulletPoint1 : Parameters : Piezo pickup plate diameter 35mm/ 1.38 inches, thickness 0.3mm/ 0.01 inches; small, thin and lightweight, package: 20 Pcs x buzzer film. BulletPoint2 : High Performance : Resonant frequency 3.5 +/- 0.5 KHz, resonant impedance 300 ohms max, low power consumption and high sensitivity BulletPoint3 : High Quality Material : Voltage piezo discs are made of brass and ceramic, with high processing precision, good stability and long service life. BulletPoint4 : Easy To Use : These pre-wired piezo pickups are easy to install, foot stompers and other home-made instruments for sound and vibration detection. BulletPoint5 : Wide Application : This Piezo Disc perfect for beginner to use as touch-sensors, electronic drum triggers, buzzers, make your own contact mics, also used for watches, cameras, phones, electronic , computer, etc. ItemName : 35mm Piezo Disc Transducer Contact Microphone Trigger Sound Sensor with 3.94 Inches Wires for Acoustic Instrument, Mic Drum Trigger Acoustic Pickup CBG Guitar ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 2 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : piezo-transducers Manufacturer : XYRSTOLR ModelNumber : XYR100032 NumberOfBoxes : 1 PartNumber : XYR100032 ProductDescription : XYRSTOLR Piezo Discs 20Pcs 35mm Piezo Pickup with 100mm LeadsSpecification: Base Material:Brass Drive Type: Piezo Discs Size: center disc measures approx 35mm diameter, 0.3mm thick, cord length 100mm Type:External drive type element Resonant Frequency:3.5 ± 0.5 KHz Resonant Impedance:300Ω max Diameter: 35mm/ 1.38 inches Thickness: 0.3mm/ 0.01 inches Material: Brass Description: This item are brass piezoelectric discs which are essential parts for pickups of acoustic instruments. All the discs are made from selected copper, ensuring excellent conductivity and long-lasting use. It can be easily installed and suitable for many kinds of instrument like acoustic guitars, drums. Great for acoustic instrument pickups, stomp boxes, contact mics, etc. Perfect for using as touch-sensors, electronic drum triggers, buzzers or making your own contact mics. Widely used in computers, printers, copiers, alarm, electronic toys, automotive electronics, telephones, timers and other electronic products for the sound device. ProductSiteLaunchDate : 2024-07-21T04:22:58.500Z SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnspscCode : 60131500 WarrantyDescription : 2 years.