Advanced Search Results

Refine your search by using the category filter.

 
 
Sort By:  
Crystal Earphone (Piezoelectric)

Highly sensitive earphones, 10x more than magnetic, dynamic, and electrostatic earphones.

SKU: CH905ST
Crystal Earphone (Piezoelectric) With Plug

The most sensitive earphones available.

SKU: CH905MP
Crystal Radio Kit Parts

Explore AM radio with a hands-on Crystal Radio Kit.

SKU: CRYRADKIT
Crystal Earphone (Piezoelectric) (CH905ST)

Piezoelectric Earphones/Crystal Earphones


Ultra-sensitive crystal earphones for high-quality sound. These earphones are at least 10 times more sensitive than very sensitive magnetic earphones, dynamic earphones, and electrostatic earphones. Piezoelectric earphones are used in the construction of the crystal radio and in some science experiments such as listening to electric fish.


Key Features:

  • Ultra-sensitive crystal earphones
  • High-quality sound
  • Very high impedance of 20K ohm
  • Sensitivity of 57 dB at 1KHz
  • Frequency range of 200 ~ 8000 Hz
  • 3ft twisted cable
  • Operation temperature of -20º to 60º Celsius

Product Specifications:

Impedance20K ohm
Capacity15,000 pf
Sensitivity57 dB at 1KHz
Frequency Range200 ~ 8000 Hz
Operation Temperature-20º to 60º Celsius
Cord3ft twisted cable
Plug Typenone

Similar Products:

  • Dynamic Earphones
  • Electrostatic Earphones
  • Magnetic Earphones
  • Bluetooth Earphones
  • In-Ear Monitors

Note: These are similar products, and each product is different, so research is required to find the best fit for your needs.


Perfect for audiophiles, sound engineers, musicians, and anyone who appreciates high-quality sound.

SKU: CH905ST
Crystal Earphone (Piezoelectric) With Plug (CH905MP)

Piezoelectric Earphones

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

Crystal Earphones are commonly used in the construction of crystal radios and in science experiments such as listening to electric fish.

Includes a mono plug.

Key Features

  • The most sensitive earphones available.
  • High impedance for improved sound quality.
  • Can be used in science experiments.

Product Specifications:

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
Plug Type:Mono

Similar Products

  • High-impedance Crystal Earphones
  • Piezoelectric Headphones
  • Sensitive Electroacoustic Earphones
  • Crystal Radio Headphones
  • High-sensitivity In-Ear Earphones

Note: These are similar products, and each product is different, so research is required to find the best fit for your needs.


Perfect for those who need the most sensitive earphones available, such as those conducting science experiments or constructing crystal radios.

SKU: CH905MP
Crystal Radio Kit Parts (CRYRADKIT)
For Instructions Go to Downloads Tab

Crystal Radio Kit


Unleash the fascination of radio waves and electronics with the Crystal Radio Kit. This comprehensive kit is an excellent educational tool for students, offering them the opportunity to delve into the world of simple electronic components. By understanding the roles of diodes, capacitors, and inductors, students can build their own AM radio receiver that tunes into stations with precision. The kit's assembly process bridges theory and practice, providing a valuable learning experience. With the added benefit of a piezoelectric earphone, students can listen to their favorite AM stations, turning theory into an audible reality.

For a deeper grasp of the crystal radio's inner workings, students are encouraged to explore key topics including capacitors, inductors, diodes, antennas, LC oscillator circuits, and piezoelectric earphones. This knowledge empowers students to not only build the radio but also to understand how each component contributes to the overall functionality.


Key Features:

  • Hands-on learning of radio electronics
  • Build an AM radio receiver from scratch
  • Understand diodes, capacitors, and inductors
  • Tune into AM radio stations
  • Piezoelectric earphone for audio output

Product Specifications:

ComponentDetails
DimensionsVaries based on kit components
Included 3 Eye Screws
1 Piezoelectric Earphone
1 Germanium Diode
27 AWG Magnet Wire
10 Wires with Alligator Clips
Wire for Antenna and Ground
Large Z shaped metal strip (150mm x 12mm)
AssemblyDIY assembly required

Similar Products:

  • Electronic Learning Lab Kit
  • Radio Frequency DIY Kit
  • Electronics Basics Starter Kit
  • DIY AM Radio Receiver
  • Educational Electronics Experiment Set

Note: These are similar products, and each product is different, so research is required to find the best fit for your needs.


Perfect for students, educators, and electronics enthusiasts seeking hands-on learning in radio technology. Tailored to beginners and intermediates looking to grasp the fundamentals of radio electronics.
SKU: CRYRADKIT
Per Page      1 - 3 of 3
  • 1