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The Axon F-138 Hearing Aid Sound Amplifier hits a 130dB maximum output to assist with severe hearing impairment. This BTE device utilizes a standard AG13 battery and provides 50dB sound gain. It increases peak output by 5dB over the previous F-136 model.
Key Features
- Adjustable Volume Control: Manual analog dial regulates sound gain up to 50dB. Users change output levels to match quiet or loud rooms.
- Noise Reduction Technology: Internal circuitry maintains input noise below 30dB. This limits background static while walking through Dhaka road dust.
- BTE Hook Design: Contoured plastic shell sits behind the outer ear. The hook keeps the unit stable during daily walking.
Frequently Asked Questions
How to use Axon F-138 hearing aid?
Insert an AG13 battery and select the correct earplug size. Switch the device to 'N' and set the volume dial to '1' before inserting into the ear canal.
Which battery is used in Axon F-138?
This device requires a single AG13 button cell battery. One 1.5V cell provides power for several days of continuous use.
