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

DIY High Fidelity Deaf Hearing Aids Audio Amplifier Kit Digital Amplifier Board Module
  • Original PriceUS$1.85piece
  • SAVEUS $0piece
  • Discount PriceUS$1.85piece
  • ShippingFree Shipping
  • Product Rating6080
Baseus 45W Quick Charge 4.0 3.0 Dual USB Car Charger Type C For Xiaomi Mi Huawei Supercharge SCP QC4.0 QC3.0 Fast PD USB C Car Phone Charger
Baseus 45W Quick Charge 4.0 3.0 Dual USB Car Charger Type C For Xiaomi Mi Huawei Supercharge SCP QC4.0 QC3.0 Fast PD USB C Car Phone Charger
US$14.99US$14.99
Winch Traction All Metal Type A For 1/10 RC Crawlers YA 0386 RC Car Part Accessories
Winch Traction All Metal Type A For 1/10 RC Crawlers YA 0386 RC Car Part Accessories
US$18.37US$18.37
Baseus Metal Gravity Linkage Auto Lock CD Slot Car Mount Holder Stand for Xiaomi Mobile Phone 4.0 6.0inch
Baseus Metal Gravity Linkage Auto Lock CD Slot Car Mount Holder Stand for Xiaomi Mobile Phone 4.0 6.0inch
US$12.99US$12.99
50pcs U Type Clips For Bronze Tone Metal Spring Plate Car Door Panel Spire Fender Screw Fastener Nut
50pcs U Type Clips For Bronze Tone Metal Spring Plate Car Door Panel Spire Fender Screw Fastener Nut
US$2.99US$2.99
Baseus PPS USB+Type C QC4.0 3.0 PD3.0 Car Charger for Xiaomi mi 9 Huawei P30 Pro for Samsung
Baseus PPS USB+Type C QC4.0 3.0 PD3.0 Car Charger for Xiaomi mi 9 Huawei P30 Pro for Samsung
US$9.99US$6.99
Baseus 2 in 1 Metal Type c to Type c Charging 3.5mm Audio Jack Adapter Converter for Xiaomi Huawei
Baseus 2 in 1 Metal Type c to Type c Charging 3.5mm Audio Jack Adapter Converter for Xiaomi Huawei
US$8.07US$8.07
Rock Gravity Auto Lock 360 Degree Rotation Air Vent Car Mount Phone Holder for Xiaomi Mobile Phone
Rock Gravity Auto Lock 360 Degree Rotation Air Vent Car Mount Phone Holder for Xiaomi Mobile Phone
US$15.99US$13.21
Baseus 5 in 1 Metal Dual Type C Hub Adapter With Type C Data Transmission Port/2 * USB 3.0/Type C PD Charging Port/4K HD Display Interface For MacBook Air/Pro
Baseus 5 in 1 Metal Dual Type C Hub Adapter With Type C Data Transmission Port/2 * USB 3.0/Type C PD Charging Port/4K HD Display Interface For MacBook Air/Pro
US$53.19US$40.99
Baseus Gravity Linkage Automatical Lock Air Vent Car Phone Holder With Type C USB C Cable For Type C Port Smart Phone 4.0 Inch 6.5 Inch Samsung Galaxy S10
Baseus Gravity Linkage Automatical Lock Air Vent Car Phone Holder With Type C USB C Cable For Type C Port Smart Phone 4.0 Inch 6.5 Inch Samsung Galaxy S10
US$13.99US$13.99
Baseus Metal Glass 10W Qi Wireless Charger Fast Charging Gravity Linkage Automatical Lock Air Vent Car Phone Holder For 4.0 Inch 6.5 Inch Smart Phone
Baseus Metal Glass 10W Qi Wireless Charger Fast Charging Gravity Linkage Automatical Lock Air Vent Car Phone Holder For 4.0 Inch 6.5 Inch Smart Phone
US$21.99US$21.99
Baseus 30W Dual USB Type C PD3.0 QC4.0 Fast Car Charger For iPad Pro Smartphone Charge AFC SCP VOOC
Baseus 30W Dual USB Type C PD3.0 QC4.0 Fast Car Charger For iPad Pro Smartphone Charge AFC SCP VOOC
US$10.29US$10.29
12V 1 3A 16mm 5 Colors LED Power Self Locking Push Button Switch Silver Aluminum Metal Latching Type Red / Yellow / White / Green / Blue
12V 1 3A 16mm 5 Colors LED Power Self Locking Push Button Switch Silver Aluminum Metal Latching Type Red / Yellow / White / Green / Blue
US$3.80US$3.80
Baseus Press Hidden Type Car Temporary Parking Phone Number Card ABS Car Decoration Plate
Baseus Press Hidden Type Car Temporary Parking Phone Number Card ABS Car Decoration Plate
US$12.99US$11.18
12V 200mA Car DIY ON/OFF Switch Paste Type Push Button Latching
12V 200mA Car DIY ON/OFF Switch Paste Type Push Button Latching
US$4.03US$4.03
Metal Low Impedance USB Charging Port Type C And Independent 3A Port Output Car Charger
Metal Low Impedance USB Charging Port Type C And Independent 3A Port Output Car Charger
US$26.05US$26.05
Paste Type Car Seat Crevice Storage Bag Protable Seat Back Consle Organizer Box Seat Slit Pocket
Paste Type Car Seat Crevice Storage Bag Protable Seat Back Consle Organizer Box Seat Slit Pocket
US$12.99US$11.18
Mini Cream colored Car Phone Storage Box Paste Type Car Phone Carrying Box Phone Holder
Mini Cream colored Car Phone Storage Box Paste Type Car Phone Carrying Box Phone Holder
US$5.84US$5.84
12V 20A Car Switch Paste Type Button Switch OFF/ON
12V 20A Car Switch Paste Type Button Switch OFF/ON
US$10.65US$10.65
Car Air Outlet Magnet Phone Bracket Car Magnetic Bracket Paste Metal Car Phone Holder
Car Air Outlet Magnet Phone Bracket Car Magnetic Bracket Paste Metal Car Phone Holder
US$4.82US$4.82
Baseus Car Paste Type Metal Temporary Parking Luminous Number Card Phone Holder Number Plate
Baseus Car Paste Type Metal Temporary Parking Luminous Number Card Phone Holder Number Plate
US$19.99US$12.79

Shopping for a DIY High Fidelity Deaf Hearing Aids Audio Amplifier Kit Digital Amplifier Board Module with low price? Read about features, types, and other must-know topics in our DIY High Fidelity Deaf Hearing Aids Audio Amplifier Kit Digital Amplifier Board Module buying guide to make an informed choice. Buy finest DIY High Fidelity Deaf Hearing Aids Audio Amplifier Kit Digital Amplifier Board Module Look for the DIY High Fidelity Deaf Hearing Aids Audio Amplifier Kit Digital Amplifier Board Module package that is finest for you. Make a price comparison, discount promo, or free shipping before shopping.

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

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

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

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

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

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

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

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

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

DIY High Fidelity Deaf Hearing Aids Audio Amplifier Kit Digital Amplifier Board Module
Feedback
We would be very grateful to leave you some comments when you receive your article. We do our best to provide the best possible service, but if for any reason you are unhappy with something, please contact us before leaving a negative answer and we will do our best to solve your problem.

MERCI DE CHOISIR D'ACHETER AVEC NOUS