Name: Piezoelectric Crystal Earphone Bare Wire
Brand: Protechtrader
SKU: 67513049
Price: 128.68 HKD
Availability: InStock
Rating: 4.769230769230769 (13 reviews)

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

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Description

🎙️ Hear the past, build the future with crystal-clear precision!

WIDE FREQUENCY RANGE - Crisp sound reproduction from 200Hz to 8,000Hz captures every detail in your audio projects.
ROBUST VINTAGE DESIGN - Ceramic earpiece with brass diaphragm ensures durability and long-lasting performance in every experiment.
UNMATCHED SENSITIVITY - Experience audio clarity that outperforms modern earbuds—perfect for vintage crystal and transistor radios.
DIY READY BARE WIRE LEADS - 42-inch pre-tinned twisted wire lets you customize connections effortlessly for your unique electronics projects.
PLUG AND PLAY VERSATILITY - Ideal for hobbyists and professionals building crystal radios, lab experiments, or sensitive audio detection setups.

The Piezoelectric Crystal Earphone Bare Wire is a high-impedance, ultra-sensitive ceramic earpiece designed for DIY electronics enthusiasts and professionals. Featuring 20,000 ohms impedance, 57dB sensitivity at 1kHz, and a 42-inch twisted bare wire lead, it delivers exceptional audio clarity for crystal and transistor radios, lab research, and experimental projects. Its durable brass diaphragm and all-soldered connections ensure reliability and longevity, making it the go-to choice for vintage audio applications and sensitive sound detection.

Specifications

ASIN	B071JWPTT9
Additional Features	High Sensitivity Vintage Style Ear Phone, Piezo Electric 20k ohm Impedance Ear Piece
Age Range Description	Adult
Audio Driver Type	Piezoelectric Driver
Best Sellers Rank	#36,981 in Electronics ( See Top 100 in Electronics ) #2,015 in Earbud & In-Ear Headphones
Brand	ProTechTrader
Brand Name	ProTechTrader
Built-In Media	Piezoelectric Earphone with Bare Wire Leads for Crystaol Radios
Cable Features	Retractable
Color	(Beige - Bare Wire Leads)
Compatible Devices	Crystal Radios, Transistor Radios
Connectivity Technology	Wired
Control Method	Touch
Customer Reviews	4.6 out of 5 stars 217 Reviews
Ear Placement	In Ear
Earpiece Shape	in-ear
Enclosure Material	ceramic
Form Factor	In Ear
Frequency Range	200 - 8,000Hz
Headphone Folding Features	In Ear
Headphone Jack	3.5 mm Jack
Headphones Ear Placement	In Ear
Impedance	20000 Ohms
Is Electric	Yes
Item Weight	0.22 Ounces
Manufacturer	ProTechTrader
Model Name	Piezo-bare
Model Number	Piezo-bare
Noise Control	None
Number of Items	1
Specific Uses For Product	DIY Electronics Projects
UPC	789048342869
Unit Count	1.0 Count
Warranty Description	1 Year
Wireless Technology	RF

Reviews

C**0

13.04.2021

P**N

29.03.2026

A**R

23.04.2026

N**F

22.12.2020

M**N

5.08.2024

J**T

27.07.2025

L**E

14.12.2024

K**R

9.08.2020

L**R

20.10.2024

O**U

4.07.2022

C**S

16.01.2021

A**L

28.07.2018

N**D

26.10.2018

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HK$128

Duties & taxes included

In stock

Sold byAmazon Hong KongDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Piezoelectric Crystal Earphone Bare Wire

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Description

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Common Questions