inputs.text: hard lose hearing aid - wife dehementia lost 2 hearing aids ouch outfitted listen amplifier sony wo8l earbuds headband aaa battery used rechargeable combo works well enough course hearing aid somewhat better 50 times expensive new listen high gain low noise amplifier no limiting no automatic gain control two bought broke suffered self oscillation months use not seen competing device units cheap enough dispensable unfortunately cannot buy thehem quantity get cheaper shipping price box one unit shipped could hold many units