High Impedance Piezo Electric Earphones for DIY Radio Projects - 3.5mm Connector

About this item

• High 20,000 ohm impedance with resistance over 20 million ohms and a capacitance of 15,000 pf Rated Sensitivity of 57db at 1KHz in the frequency range from 200 to 8,000Hz
• Classic Piezo Electric Crystal Earphone for DIY Electronic Projects and Kits
• Perfect to make electronics projects such as Crystal or Transistor Radios often used in schools and STEM electronic experiments requiring high impedance ear piece
• Sensitive earpiece molded with precision, featuring a 42-inch twisted cable and a 3.5mm headphone audio male connector.
• NEWER Upgraded Model Available on here (2023): (See B0CC6WRFFB) For a Brass Diaphragm Piezo and All Soldered Wire Connections making it more Sensitive and More Reliable