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Shipped from abroad

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

KSh 1,156
KSh 2,312-50%

Delivery & Returns

This item is shipped from abroad:
  • Prepayment by M-Pesa or by credit card
  • 15 days free returns
  • Pay for international delivery online and have no additional cost at delivery
  • Full refund if you do not get your package delivered

Delivery Information

Shipped from abroad. Delivered between Thursday 21 Nov and Friday 22 Nov

Return Policy

Easy Return, Quick Refund

Seller Information

BGroyallove

Seller Score: 94%

Product details


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

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Specifications

Key Features

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

What’s in the box

1 x DIY High Fidelity Deaf Hearing Aids Audio Amplifier Kit

Specifications

  • SKU: GE840EL18H9BPNAFAMZ
  • Main Material: N/A
  • Size (L x W x H cm): 11.00x7.00x1.00
  • Weight (kg): 0.0200

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

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

KSh 1,156
KSh 2,312-50%

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