Price Each: £995 | Price Pair: £1995
Fitting Styles:Â RIC, CIC, ITC
Warranty:Â Â 5 years
Charger:  Rechargeable is an additional £50 per aid
Technology rating
Resound Savi 4 Hearing Aids Overview
The Resound Savi 4 is the highest performing model in the Savi range, and it sits in an interesting position — more capable than a typical essential hearing aid, but without the price tag of Resound's flagship Vivia range.
It carries everything that makes the Savi series worth considering: Bluetooth LE Audio, Auracast broadcast audio, and a robust, well-proven sound processing platform. What it adds over the Savi 3 is the greatest fitting precision in the range, giving your audiologist the most accurate tools to match amplification closely to your specific hearing loss. In complex listening environments, that precision is noticeable.
For anyone who regularly navigates noise, group conversation, or varied acoustic settings — and wants the best the essential category can offer before stepping into premium pricing — the Savi 4 is where to look.
Quick highlights
Bluetooth LE Audio and Auracast — the same class-leading connectivity across the range
Like every model in the Savi family, the Savi 4 includes full Bluetooth LE Audio and Auracast broadcast audio support — and at this performance level, that connectivity is paired with the most precise sound processing in the range.
Stream audio and take hands-free calls via the Resound Smart 3D app, and connect to public Auracast transmitters in theatres, cinemas, airports, and lecture halls with a single tap through the integrated Auracast Assistant. It works even if your phone doesn't yet support Auracast natively.
Sound processing at the top of the essential category
The Savi 4 has the most processing channels in the Savi range. More channels means more precise amplification across the frequency range — your audiologist has the greatest possible accuracy when programming your hearing aids to match your specific hearing loss. For hearing profiles with uneven or complex loss patterns, that precision translates directly into a more comfortable, more natural result.
Autoscope Adaptive Directionality automatically detects where speech is coming from and adjusts focus accordingly, whether the speaker is in front of you, beside you, or moving around. You follow the voice you want to hear, not the noise around it.
Adjustable Directional Mix lets you and your audiologist personalise the balance between directional focus and broader all-round awareness — useful if your listening needs shift significantly between quiet and busy environments throughout the day.
Impulse Noise Protection softens sudden sharp sounds automatically — a clattering kitchen, a slamming door, a passing vehicle — before they reach your ears. It works quietly in the background, and you tend to notice it most on the days you're not wearing it.
Music Mode adjusts the hearing aid's processing specifically for music, preserving the dynamics and richness that standard hearing aid processing can flatten. Whether you're streaming a playlist or sitting in a live performance, the difference is real.
NoiseTracker II, DFS Ultra III, and Wind Guard handle background noise, feedback, and wind noise automatically. At this level of fitting precision, those tools perform at their best.
Available models
The Savi 4 is available across all five Savi styles:
Colour options
Compatible accessories
Who is the Savi 4 for?
The Resound Savi 4 makes sense if you want the highest performance level the Savi range offers, regularly spend time in complex or challenging listening environments, enjoy music and want processing that genuinely does it justice, are looking for the most precisely fitted hearing aid in the essential category, or are upgrading from an older Resound model — including any model from the Key range — and want a meaningful step forward.
 Other performance levels:
►Click here to view Resound Savi 3 hearing aids
►Click here to view Resound Savi 2 hearing aids
Need more support with Resound Savi Hearing Aids?
Not sure if this is the right hearing aid for you? We’re here to help – with honest advice, personalised recommendations, and no pressure.  Plus, we offer free home visits with no extra cost, so you can get expert support in the comfort of your own home.
For friendly, knowledgeable advice, just call us free on 0800 567 7721.  Alternatively, you can fill in the form at the bottom of the page to request a callback with one of our experts or click on one of the buttons below to book a free appointment or home visit with a local audiologist today.  Let’s find the right hearing solution – together.