As we awaits the arrival of a new iPhone and wondering how are we going to dispose of our current older model, a little suggestion:
Pass them to your older folks.
Download LouderTV and now your folks can have a simple hearing aid that will enable to listen clearer once again.
For better sound quality you might what to try this
=== Warning: I have never tested it before, and only saw it on this website ====
Custom Fit Adaptors for In/On Ear Phones