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A comment on $1 hearing aid could treat millions with hearing loss. Parent comment
I suspect there are cheaper class-D IC's that could be used than the MAX98306, but for a prototype why not.
It also puts the volume control potentiometer on the amplifier output which seems wasteful for a battery operated device.
[1]: https://www.maximintegrated.com/en/products/analog/audio/MAX...
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I suspect there are cheaper class-D IC's that could be used than the MAX98306, but for a prototype why not.
It also puts the volume control potentiometer on the amplifier output which seems wasteful for a battery operated device.
[1]: https://www.maximintegrated.com/en/products/analog/audio/MAX...