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, etcDrive Type: Piezo DiscsResonant frequency(kHz): 3050- 05 KHzResonant impedance (ohms): 300 maxDiameter: 41mm 161 inchesThickness: 03mm 001 inchescable Length: 100mm 394 inchesMaterial: Brass









