Specification Brand : Walfront BulletPoint : 10PCS 1704 Passive Buzzer Piezoelectric Buzzer Speaker 4000HZ 17*4MM 17x4mm AC Low Power Consumption Diy Electronic BulletPoint1 : [Designed for Acoustic Instruments] - Easily convert your acoustic instrument into an electroacoustic one for amplification purposes. BulletPoint2 : [Versatile Usage] - Suitable for guitar, violin, mandolin, banjo, and more string instruments to enhance their tonal response. BulletPoint3 : [ Material] - Constructed with excellent metal material for durability, heat resistance, and superior mechanical strength. BulletPoint4 : [Optimal Sound Placement] - Ensures the transducer is placed through the sound hole to produce the best tonal response. BulletPoint5 : [Full Transparent Sound] - Remove dust before installation to achieve a , transparent sound reproduction, an essential step for acoustic pickups. Color : One Color ExternallyAssignedProductIdentifier : 7310399547028 ItemName : Metal Guitar Pickup Piezo Transducer for Guitar, Violin, Mandolin with Excellent Heat ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 14 centimeters ItemPackageDimensions_Width : 6 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : piezo-transducers Manufacturer : WALFRONT Material : Copper ModelName : Walfrontx2vgcagt51 ModelNumber : WALFRONTx2vgcagt51 NumberOfItems : 1 PartNumber : WALFRONTx2vgcagt51 ProductDescription : [Designed for Acoustic Instruments] - Easily convert your acoustic instrument into an electroacoustic one for amplification purposes. [Versatile Usage] - Suitable for guitar, violin, mandolin, banjo, and more string instruments to enhance their tonal response. [ Material] - Constructed with excellent metal material for durability, heat resistance, and superior mechanical strength. [Optimal Sound Placement] - Ensures the transducer is placed through the sound hole to produce the best tonal response. [Full Transparent Sound] - Remove dust before installation to achieve a , transparent sound reproduction, an essential step for acoustic pickups.