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Crystal Earphone


Product Description

Piezoelectric earphones also known as crystal earphones are the most sensitive earphones. In fact, they are at least 10 times more sensitive than very sensitive magnetic earphones, dynamic earphones, and electrostatic earphones. Sensitive earphones have a very high impedance, which is measured in ohms. 

There are many uses for Crystal Earphones, but one popular use is in the construction of the crystal radio and in some science experiments such as listening to electric fish.

Click on Quantity Discount below to see Wholesale Pricing for Crystal Earphones. 


  • Impedance: 20K ohm
  • Capacity: 15,000 pf
  • Sensitivity: 57 dB at 1KHz
  • Frequency Range: 200 ~ 8000 Hz
  • Operation Temperature: -20º to 60º Celsius
  • Cord: 3ft twisted cable.

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