ReSound Key ITC
An essential ITC from ReSound's Key range
The Key ITC is part of ReSound's essential Key collection and runs on size 312 batteries. It supports direct streaming and the ReSound Smart 3D app.
- Hearing loss
- For all types of hearing loss (family statement)
- Connectivity
- Direct Bluetooth Low Energy streaming from iPhone, iPad and compatible Android devices
- Style
- In-the-canal custom, size 312 battery
Disposable
Battery · Size 312
Who it's good for
Is Key ITC right for you?
Our audiologists' guide to how this model suits different lifestyles, based on its features. Your hearing test results matter most, so we'll always confirm at your appointment.
-
Everyday real world
3/5
Essential-tier automatic sound that is easy to live with.
Best for everyday → -
TV turner-uppers
4/5
Direct streaming and ReSound TV accessories, no Auracast.
Best for TV → -
Golfers and outdoors
3/5
IP68 on RIE and BTE styles, essential wind handling.
Best for golf → -
Socialites
3/5
Essential directional processing.
Best for social → -
Phone and video calls
3/5
Calls stream into both ears for clear speech, though you speak into the phone itself.
Best for calls → -
Music lovers
3/5
Streams music in stereo from your phone.
Best for music → -
Active and sporty
2/5
No published water rating, so keep it dry during exercise.
Best for active → -
Tinnitus sufferers
5/5
Built-in ReSound tinnitus sound generator and Relief app, adjustable from the app.
Best for tinnitus →
The interesting technical bits
What's inside
- Size 312 battery
- Natural Directionality II
- DFS Ultra II feedback control
- Noise Tracker II
- Custom made
About ReSound Key ITC
The Key ITC is part of ReSound's essential Key collection and runs on size 312 batteries. It supports direct streaming and the ReSound Smart 3D app.
Specifications
From manufacturer information, checked October 2026. Battery figures vary with streaming and settings. Your audiologist will confirm the right receiver, dome and settings at your fitting.
| Brand | ReSound |
|---|---|
| Family | ReSound Key |
| Style | In-the-canal custom, size 312 battery |
| Technology levels | 4, 3, 2 |
| Hearing loss range | For all types of hearing loss (family statement) |
| Power | Size 312 disposable |
| Streaming | Direct Bluetooth Low Energy streaming from iPhone, iPad and compatible Android devices |
| Auracast broadcast audio | No |
| App | ReSound Smart 3D |
| Tinnitus support | Yes |
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Book a free demo of ReSound Key ITC
Programmed to your hearing test results, with free aftercare for life at 11 clinics across Kent & London, or at home.