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Sennheiser All-Day Clear Hearing Aid

Reviews, Prices, and Sound Samples

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$949.95 / pair New Purchase
4.5 stars stars
4.3 stars from 3 reviews
Hands-Free Calling Yes
iPhone Streaming Yes
Android Streaming Yes
Rechargeable Yes
IP Rating IP68

Sennheiser offers two noteworthy devices in the burgeoning OTC hearing aid market: All Day Clear and the All Day Clear Slim. The acquisition of Sennheiser's consumer division by hearing giant Sonova has brought together a wealth of expertise and innovation, and these are the first real FDA-approved OTC hearing aids to emerge from this union.

All Day Clear and All Day Clear Slim were initially priced at $1400 and $1500 a pair, respectively. However, as this update is being written, they are both offered on the Sennheiser website for $949.95 per pair. You can purchase these hearing aids directly online from Sennheiser, and they are also offered online and at Big Box retailers like Best Buy and Amazon.

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Technology Highlights

All Day Clear and the All Day Clear Slim represent a targeted effort to provide quality, accessible hearing aids for those with mild to moderate hearing loss. Notably, they incorporate features found in their prescription counterparts, reflecting a broader trend in the industry to bridge the gap between medical devices and consumer electronics.

One standout feature of these devices is their rechargeability, which despite seeming obvious in 2023, is not universal among OTC devices. Sennheiser's models distinguish themselves with a battery life promising 16 hours of operation on a three-hour charge.

Automation is another aspect worth mentioning. With a pedigree of 75 years in the hearing industry, Sonova's algorithms optimize dialogue and overall sound quality. "Intelligent Scene Detection" is especially intriguing, with its ability to adapt to the acoustic environment and provide optimal speech and music experiences. This is technology Sonova has mastered with AutoSense OS, found in its flagship Phonak products like Lumity.

Sennheiser's parent company, Sonova, is the largest hearing aid manufacturer in the world and distributes its Phonak and Unitron products through a large network of hearing care professionals. One advantage of buying these OTC hearing aids is you may be able to opt for Sennheiser's In-Clinic Care Package for an extra $250 (costs may vary depending on the provider). This gives you custom care from a licensed hearing care professional who can program and fine-tune the hearing aids to better suit your needs and assist you should they need servicing and maintenance.

What's the difference between the All-Day Clear and All-Day Clear Slim models?

The only substantial difference between the two models is All-Day Clear Slim has a more sleek design with an earbud-type receiver that sits outside the ear canal. In contrast, All-Day Clear has a design more akin to its prescription hearing aid counterparts, with the receiver nestling inside the ear canal.

You can listen to sound samples for the All-Day Clear Slim by using good-quality headphones and clicking on the Play buttons. The All-Day Clear receiver-in-canal OTC aid does not yet have sound samples available.

Sennheiser All-Day Clear

4.5 stars stars
3 reviews

Listed prices are for a pair of hearing aids in US dollars unless otherwise specified. Prices may change over time, and may vary by region.

Busy Café
With device
Quiet Office
With device

Sennheiser All-Day Clear

4.5 stars stars
3 reviews

Listed prices are for a pair of hearing aids in US dollars unless otherwise specified. Prices may change over time, and may vary by region.

In general, receiver in canal style "open fit" hearing aids like All-Day Clear allow external sounds to be mixed with the amplified or processed sounds. This can be advantageous because they tend to mitigate the occlusion or "own voice" effect—a common complaint among hearing aid users—and provide you with a more "natural" sounding experience in many conversation settings.

However, a more "closed fit" earbud receiver-style like Slim has the advantage of preserving streamed audio fidelity when listening to music, podcasts, and other digital audio. So, if you're on the fence about choosing between the models, you may want to consider whether you'll be relying on the devices chiefly for hearing speech or listening to music and other streamed audio. Either model will work, but they may have tradeoffs in sound quality.

Photo of a women pausing on her bicycle to adjust her hearing aids

Both the All-Day Clear and All-Day Clear Slim offer similar controls and connectivity options, and you can rely on the onboard push-buttons and/or the app to adjust settings on the devices.

Using and controlling All-Day Clear and All-Day Slim OTC hearing aids

Other than the above, there is very little difference in the use and operation of All Day Clear and All-Day Clear Slim. They both feature:

  • Two listening modes: Conversation in Quiet and Conversation in Noise
  • Directional microphones for better listening in noise
  • Onboard push-button controls for in-the-moment adjustments in addition to the All-Day Clear app
  • Wind noise control
  • Feedback management
  • Made for All direct wireless connectivity with hands-free calling
  • Provides active wireless connectivity with up to 2 devices
  • Optional TV Connector accessory (see below)

Controlling the devices and the All-Day Clear app

Sennheiser All-Day Clear and Slim are intended to be completely automatic, adjusting to different sound scenes as you encounter them. However, they also have onboard push-button controls for turning the devices on/off, adjusting volume, changing sound modes, and accepting/rejecting phone calls.

The All-Day Clear App is essential for easy customization and setup of the device within minutes, according to Sennheiser. It's compatible with Bluetooth-enabled smartphones or tablets running at least iOS 14 or Android 8.0 (note that the app works on tablets but isn’t optimized for them).

Smartphone and a pair of Sennheiser All-Day Clear Slim OTC hearing aids

Sennheiser All-Day Clear Slim with the All-Day Clear App.

During the setup, it will run you through a quick step-by-step process where your sound profile is configured for your degree of hearing loss. You will be asked to answer a couple of questions in the app based on a voice recording you hear through your hearing aids. Unlike most OTC hearing aids that aim to replicate a basic audiogram, Sennheiser's fitting process is focused on setting your preferred volume, clarity, and left-right balance levels. Your sound profile is then saved in the hearing aids and app, but you can also adjust it by navigating to the "My Sound Profile" screen for further changes. There is an equalizer that allows you to adjust for your preferred sound settings.

Sound modes are listed at the top of the app's sound control screen. You can also change the volume and activate the wind noise reduction program, but once the hearing aids are restarted, these will return to their default settings.

If you opt for the In-Clinic Care Package, your hearing care provider will do all the programming of your hearing aids based on your audiogram for a more precise fitting. In this case, you'll forfeit the ability to change the sound profile; you can contact your hearing care professional for further adjustments.

Trial periods, warranty, and accessories

Sonova provides a 45-day risk-free trial, giving users time to assess their effectiveness and value. Both models are IP68 rated, which is the highest moisture and dirt resistance rating that hearing aids can obtain, so like most Sonova hearing aids, these are robust devices (still, we recommend you keep them out of the water). They come with a 1-year warranty, but the warranty is extended to 2 years if you opt for the In-Clinic Care package.

The hearing aids come with a standard charging unit. With a 3-hour charging time, they should give you 16 hours of use, including 2-3 hours of steaming, depending on your usage (e.g., time spent in complex listening environments, age of devices, etc.). The charger has LED indicator lights that turn from solid green to orange to red to let you know if they're 100%, 11-80%, or under 10% charged, respectively. The downside is that the charging case is too large to be pocket-sized, and it does not carry extra charges.

Sennheiser also offers its TV Connector accessory, which as the name implies, allows you to stream stereo sound to your hearing aids from your TV, stereo system, or other compatible device from up to 45 feet away. It features a plug-and-play set-up and is sold separately for $350.

Sennheiser All Day Clear Slim Charger Tv Connector

Sennheiser All-Day Clear Slim hearing aids and charger (on left) and Sennheiser TV Connector accessory. Photos not shown to scale.

Increasing accessibility and affordability in hearing aids

While the impact of All-Day Clear and All-Day Slim on the market will only become evident with time, they certainly represent an intriguing development in the OTC hearing aid space. These appear to be high-quality, well-made hearing aids that should be able to help those with mild to moderate hearing loss. For more information, you can view my above video and also look at the HearAdvisor scores and sound samples for the All-Day Clear Slim in the sidebar at the top right of this page.

It should be noted that Sennheiser also offers the Conversation Clear Plus, which is not an FDA-approved hearing aid but is instead a kind of hybrid earbud with some very similar hearing aid functionality (i.e., a "hearable") for $850 per pair.

Table of Contents

HearAdvisor Sound Performance Lab Results

SoundScore 3.8
Speech in quiet 3.4
Speech in noise 1.0
My own voice 1.9
No feedback issues 5.0
Streaming quality 3.5

Maximum score for each category is 5 points. Green triangles (if present) denote above-average performance; hover your cursor over them to see the specific data.

Off
Initial
Tuned
Busy Café
Quiet Office
Audio Stream

Adjust volume to make "Open Ear" as loud as it would be in the real world, without hearing aids. Remove hearing aids while auditioning. High-quality headphones will improve results!

Recordings are made in a sound-treated acoustic test lab an 8-speaker ring presenting ambisonic recordings and an acoustic manikin. For more important listening notes, be sure to check out our hearing aid comparison engine.

HearAdvisor partners with HearingTracker to provide objective laboratory performance data. All hearing aids are fitted and performance-tested for mild sloping to moderate hearing loss. All audio samples cutoff above 10kHz. *Specific model tested: Sennheiser All-Day Clear Slim.

Sennheiser All-Day Clear Model Comparison

Sennheiser All-Day Clear Slim Sennheiser All-Day Clear
Sennheiser All-Day Clear Slim Sennheiser All-Day Clear
Rating
90%

2 reviews

80%

1 review

Bluetooth® Audio Protocol
  • Bluetooth® (A2DP)
Protocol
  • Bluetooth® (A2DP)
Hands-Free Calling Protocol
  • Bluetooth® (HFP)
Protocol
  • Bluetooth® (HFP)
IP Rating (Liquid) 8 8
IP Rating (Solid) 6 6
Push Button Push Button Options
  • Program control
  • Volume Control
Rechargeable Batteries Battery Type
Lithium-ion
Battery Type
Lithium-ion
Volume Rocker
Downloads

Model details listed above may be incomplete or inaccurate. For full specifications please refer to product specifications published by the original equipment manufacturer. To suggest a correction to the details listed, please email info@hearingtracker.com.

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Sennheiser All-Day Clear Technology Details

Sennheiser All-Day Clear
Price $949.95 / pair
$949.95 / pair (Slim)
Rating
86%

3 reviews

Noise Reduction
Directionality
Self-fitting Tuned by user directly
Tuned based on audio preference selections

Technology specifications listed above may be incomplete or inaccurate. For full specifications please refer to product specifications published by the original equipment manufacturer. To suggest a correction to the details listed, please email info@hearingtracker.com.

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Sennheiser All-Day Clear Reviews

Hearing aid reviews are fundamentally different from reviews for most other consumer electronic products. The reason is because individual factors, like degree of hearing loss, have a profound effect one's success and overall satisfaction with the product. When purchasing a hearing aid, you'll need to consider more than just your hearing outcome ... Continue reading

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Overall Ratings

Hearing Tracker uses a ten-question survey to assess consumer feedback on hearing aids. The percentage bars below reflect the average ratings provided per question, averaged across all hearing aids belonging to this family of devices.
Note: Original answers provided in star rating format.

Benefit in Quiet
No data available
75%
Benefit in Noise
No data available
100%
Benefit on the Phone
No data available
100%
Clear and Natural
No data available
75%
Music Improvement
No data available
75%
Physical Comfort
No data available
75%
Reliability
No data available
100%
Feedback
No data available
100%
Hearing Improvement
No data available
75%
Value
No data available
75%
Anonymous
Anonymous 12 May 2024
4 stars stars
Sennheiser All-Day Clear Slim

They help my hearing but I wear glasses and find them a little uncomfortable behind my ears. Possibly I need the slimmer slim?

Anonymous
Anonymous 12 May 2024
5 stars stars
Sennheiser All-Day Clear Slim

Haven't had any problems. Would recommend. 

htsmd
htsmd 12 January 2024
4 stars stars
Sennheiser All-Day Clear

My wife has been hearing impaired for 50 years and is currently profoundly impaired. I am moderately impaired, and have owned a hearing aid since 2013. As a couple, we have bought enough hearing aids and accessories to pay for a small home over that time.

I am a retired physician, an audiophile, and a computer nerd. Over the years I have built and overclocked several computers and assembled & installed several higher end home theaters / listening setups, and I believe I have an “advanced amateur” level of understanding about android, windows, and bluetooth on various devices.

So, I feel reasonably well qualified to write about hearing aids and their software and a few other things.

Hearing aids themselves represent one of the most advanced miniature devices in all of audiophonics and they have marched forward with relentless pace to now enable wonderful hearing improvement for those who otherwise would be left to reading lips and signing.

But, their bluetooth connections and software are literally a laughing stock. Clinicians across the country frequently instruct their patients to simply not bother to install the accompanying software due to very limited functionality and extensive “glitches” in the inner workings of mating hearing aids via bluetooth to a smart phone.

And, when one is able to set up an app and connect hearing aids, what the app offers is often limited to a single volume slider and bluetooth streaming of content on the phone itself. Many “clinic level” aids offer bluetooth phone call linkage via android and nearly all of them will allow bluetooth phone calls with apple systems, but currently only two makers offer the same on OTC hearing aids (Sennheiser and Orka). In a word, this is pitiful.

I recently purchased one of the more expensive OTC hearing aids, after extensive research. I have known Sennheiser to be an outstanding maker of audiophile level instruments including microphones and headphones costing up to $60,000.00. I purchased the Sennheiser All Day Clear aids and additionally bought the “In-Clinic Care Package” which would permit programming each aid to my audiogram.

The hearing aids do an excellent job. They don’t seem to be quite as full sounding as my clinic level Phonak (now Sennheiser’s parent company) Audeo S Smart IX aids bought 11 years ago, but they have many added features my old aids simply do not possess.

The software, OTH, is completely disappointing. I am able to open the application and pair my aids and adjust their volume either joined or separately. I can adjust the tone settings with a 3-band equalizer. But, that’s about it. It seems so basic, I wonder why they even bother to have the program instead of simply allowing phone calls and setting up adjustments on the aids themselves with the rocker on top of them.

I cannot save any settings to a named profile in the application. On my particular phone (Motorola RAZR+) I cannot close or reduce the app without cancelling the settings I made to my hearing aids. I cannot turn on the notifications button, so I get none. My clinician cannot send me a profile that I can load into my app and change the adjustments on my aids.

Consumers’ ability to interact with their hearings aids via smart phone applications is so limited that it reminds me of how Sony limited the usability of their Blu-ray DVD players decades ago, out of fear of copying and modifying by consumers of their own purchased property. And, it did not end well…

FOLLOW-UP - BIG CHANGE! Finally found a cust service rep who figured out my software problem. There are actually 3 bluetooth connections - left, right, and "media". In order to make changes into your aids with the app, you must disconnect the media connection - it's the only one that actually shows on the list of connected devices, although the left & right do show on the list of availables. Make your adjustments, close the software app, then reconnect your "media" one, and you are good to go. If this is confusing, call Sennheiser customer service and they will walk you through it - call with a device that your aids are NOT connected to! (I used Skype phone with a separate purchased phone number). 

I have upped my rating, and have decided to keep my aids based on this capability to adjust my aids to whatever situation I am in, and feel like they easily compete with my older Phonaks now. They will certainly work for 2-3 years, while the technology accelerates.

FEB UPDATE - Found a way to get android software to work! 3 Steps Required.

1. When you remove the aids from the charger, they auto-connect to your phone by blue tooth (BT). Go to the ADC BT settings and turn OFF phone and media bullets. This effectively disconnects the BT connection (from those functions).

2. Go the ADC program, make the settings you wish. Reduce or exit the ADC software.

3. Return to the BT connection and turn back on the phone call and media audio bullets.

Voila! Your ADC settings are preserved. How your phone manages the media audio settings varies, but there WILL be some alteration of your ADC settings by the phone's software. I have noted that the overall individual volume settings are preserved, but bass/treble and certain background sounds are manipulated - to me, in a favorable way.

Credit Sennheiser Customer Service for this solution. They are working hard to make these aids perform at their best, and I continue to improve my results with them. IMO, they are one of the best values in the entire OTC/Telehealth hearing aid market.

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