Specification Brand : Bnineteenteam BulletPoint1 : DISC SPECIFICATION: The piezoelectric pickup disc has a diameter of 27mm and a thickness of 0.4mm, with about 48cm wire, which is lightweight, thin, and . BulletPoint2 : APPLICABLE RANGE: These pre wired piezoelectric discs have compact size, suitable for cigar boxes, guitars, pedals, as well as various string and percussion instruments. BulletPoint3 : GOOD PERFORMANCE: The resonant frequency is 4.6±0.5KHz, the maximum resonant impedance is 300Ω, this piezo disk has low power consumption and high sensitivity. BulletPoint4 : BRASS MATERIAL: These piezoelectric pickup discs are made of excellent brass material, with good stability, high temperature , and has a long service life. BulletPoint5 : MULTIPLE USAGES: Including 12 piezo discs, suitable for beginners to use in touch sensor, electronic drum trigger, buzzer, for making microphone, watch, electronic toy, etc. Color : #311 ConnectorType : USB IncludedComponents : No ItemName : Piezoelectric Disk, Brass Material Maximum 300Ω Impedance 12PCS Prewired Piezo Discs High Sensitivity with Wire for Electronic Drum Trigger ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 21 centimeters ItemPackageDimensions_Width : 9 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : piezo-transducers Manufacturer : RiToEasysports Material : Plastic Material1 : Acrylonitrile Butadiene Styrene Material2 : Copper ModelName : Ritoeasysportstxr2p6s7wf ModelNumber : Bnineteenteamycqi2kugs3 NumberOfItems : 1 NumberOfLithiumMetalCells : 1 PartNumber : Bnineteenteamycqi2kugs3 ProductDescription : 1. DISC SPECIFICATION: The piezoelectric pickup disc has a diameter of 27mm and a thickness of 0.4mm, with about 48cm wire, which is lightweight, thin, and . 2. GOOD PERFORMANCE: The resonant frequency is 4.6±0.5KHz, the maximum resonant impedance is 300Ω, this piezo disk has low power consumption and high sensitivity. 3. APPLICABLE RANGE: These pre wired piezoelectric discs have compact size, suitable for cigar boxes, guitars, pedals, as well as various string and percussion instruments. 4. BRASS MATERIAL: These piezoelectric pickup discs are made of excellent brass material, with good stability, high temperature , and has a long service life. 5. MULTIPLE USAGES: Including 12 piezo discs, suitable for beginners to use in touch sensor, electronic drum trigger, buzzer, for making microphone, watch, electronic toy, etc.