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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:
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 | none |
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.
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.

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:
Component | Details |
Dimensions | Varies 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) |
Assembly | DIY 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.
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