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High Impedance Crystal Earphone for Crystal Radio, Piezoelectric Earpiece

Product ID: 422748152

Details

Brand
ProTechTrader
Color
Beige
Ear Placement
In Ear
Form Factor
In Ear
Impedance
20000 ohm

🎧20,000Ω High Impedance

📡200-8,000 Hz Frequency Range

🛠️All Soldered Brass Diaphragm

S$21

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Description

🎙️ Hear the Future of DIY Audio – Precision Meets Durability!

PROVEN RELIABILITY - Top-rated with 4.4 stars and trusted by hobbyists who demand consistent, high-quality audio output every time.
CRYSTAL CLEAR AUDIO - High impedance 20,000Ω driver delivers precise sound for your DIY crystal radio and sensitive electronics projects.
TAILORED FOR MAKERS - Designed specifically for crystal radios, transistor projects, and lab experiments—engineered to elevate your builds.
UNMATCHED DURABILITY - Brass diaphragm and soldered wiring ensure long-lasting, reliable performance—no more fragile tin or glued parts.
PLUG PLAY PRECISION - Pre-tinned bare leads and 3.5mm jack compatibility make integration seamless for any electronics enthusiast.

The ProTechTrader Piezo Earphone features a high-impedance 20,000Ω piezoelectric driver with a robust brass diaphragm and fully soldered connections, designed specifically for crystal radios and DIY electronics projects. Offering a frequency response from 200 to 8,000 Hz, this in-ear earphone ensures clear, reliable sound with enhanced durability over typical tin diaphragm models. Compatible with 3.5mm jacks and equipped with pre-tinned leads, it’s the go-to choice for makers seeking professional-grade audio components.

Specifications

ASIN	B09MZML96L
Additional Features	All Soldered Connections, Black wire with bare pre-tinned leads, Brass Diaphram
Age Range Description	Adult
Antenna Location	DIY Electronics Projects
Audio Driver Type	Piezoelectric Driver
Best Sellers Rank	#336 in Two-Way Radio Headsets & Microphones
Brand Name	ProTechTrader
Built-In Media	Earphone only
Cable Features	Retractable
Color	Beige
Compatible Devices	DIY Electronics Kits, Crystal Radios, Transistor Sensitive Projects, Lab research, experiments
Connectivity Technology	Wired
Control Method	Remote
Customer Reviews	4.4 4.4 out of 5 stars (74)
Earpiece Shape	Rounded Tip
Enclosure Material	Metal
Frequency Range	200 to 8,000 Hz
Frequency Response	8000 hertz
Headphone Folding Features	In Ear
Headphone Jack	3.5 mm Jack
Headphones Ear Placement	In Ear
Impedance	20000 ohm
Item Weight	0.01 kg
Manufacturer	ProTechTrader
Model Name	Piezo-Brass-Black-Bare
Model Number	Piezo-Brass-Black-Bare
Noise Control	None
Number of Items	1
Sensitivity	57 db
Specific Uses For Product	DIY Electronics and Radio Building
Style Name	Brass Black Wire
UPC	789048343323
Unit Count	1 Count
Warranty Description	90 Days
Water Resistance Level	Not Water Resistant

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S$21

Duties & taxes included

In stock

Sold byAmazon SINGAPOREDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to SINGAPORE.

Secure transaction

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Fast, free shipping, member pricing & priority support.

Join PRO →

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TrustScore 4.5 | 7,300+ reviews

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