Hearing Aid Compatible (HAC)

Hearing aid compatible (HAC) describes a phone that is designed to work cleanly with hearing aids — minimizing the buzzing, whistling, or interference that hearing-aid wearers often get with ordinary phones.

What it means in practice

• Acoustic coupling: the phone's earpiece is shaped and tuned to work with a hearing aid's microphone.
• Telecoil (T-coil) coupling: many HAC phones support a hearing aid's telecoil setting, which picks up the phone's audio magnetically and bypasses background noise entirely — usually the clearest option for hearing-aid users.

Why it matters for seniors

A senior who wears hearing aids may find a regular phone frustrating or unusable due to feedback. An HAC phone — especially a T-coil-compatible, amplified model — lets them hear calls clearly and stay connected and safe.

When shopping, look for "HAC" or "T-coil compatible" in the specifications. All of the phones in our large-button phone roundup are hearing-aid compatible.