Description
Soldering Piezo Disc: acoustic instrument pickups, stomp boxes, mics,.Acoustic Trigger Buzzer: Foot stompers and other home-made instruments for sound and vibration detection..Acoustic Pickup Piezo: Made from material, it is both sturdy and ..Ceramic Trigger Buzzer: Piezo Disc Piezo Amplifiers Discs Compact and lightweight, easy to install..Copper Buzzer: Made from selected material, it is both sturdy and durable.