Shop

Categories

DIY High Fidelity Deaf Hearing Aids Audio Amplifier Kit Digital Amplifier Board Module

$3.65 AUD

or 6 weekly interest-free payments from $0.60 with Laybuy what's this?

In stock

Optional product install assistance
Estimated delivery between 2021/10/20 - 2021/10/27
Add to Wishlist
Add to Wishlist
Description:
 
Hearing aids are a kind of sound enhancement products to help deaf people or elderly people; students can also use them as reading aids to amplify their voices when reciting texts in English, which helps to concentrate.
Now our store is introducing a set of hearing aids made of discrete components, which is suitable for students majoring in electronics to study, research and school teaching and training.
Although the circuit is simple, but due to the addition of a negative feedback circuit, and the selection of a high-sensitivity electret microphone, making the sound loud and bright, high fidelity, can be heard within 10 meters.
As long as the correct welding according to the diagram, connected to the 3V button battery, plug in headphones (mono or dual channel headphones can be), the switch to the “on” position, you can normally use.

PCB board size: 3.1 x 4.6 CM
PCB sheet: FR-4 A-grade fiberglass panel
Working voltage: 3V
 
Package Included:

1 x DIY High Fidelity Deaf Hearing Aids Audio Amplifier Kit

 

DIY High Fidelity Deaf Hearing Aids Audio Amplifier Kit Digital Amplifier Board Module 33

DIY High Fidelity Deaf Hearing Aids Audio Amplifier Kit Digital Amplifier Board Module 34

DIY High Fidelity Deaf Hearing Aids Audio Amplifier Kit Digital Amplifier Board Module 35

DIY High Fidelity Deaf Hearing Aids Audio Amplifier Kit Digital Amplifier Board Module 36

DIY High Fidelity Deaf Hearing Aids Audio Amplifier Kit Digital Amplifier Board Module 37

DIY High Fidelity Deaf Hearing Aids Audio Amplifier Kit Digital Amplifier Board Module 38

DIY High Fidelity Deaf Hearing Aids Audio Amplifier Kit Digital Amplifier Board Module 39

DIY High Fidelity Deaf Hearing Aids Audio Amplifier Kit Digital Amplifier Board Module 40

DIY High Fidelity Deaf Hearing Aids Audio Amplifier Kit Digital Amplifier Board Module 41

DIY High Fidelity Deaf Hearing Aids Audio Amplifier Kit Digital Amplifier Board Module 42

Reviews

There are no reviews yet.

Be the first to review “DIY High Fidelity Deaf Hearing Aids Audio Amplifier Kit Digital Amplifier Board Module”
DRTL Mobile App

FREE
VIEW