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Philips Sonicare 9900 DiamondClean Prestige HX9992/12 - Electric Toothbrush

Reviews Philips Sonicare 9900 DiamondClean Prestige HX9992/12

Interested in reviews of Philips Sonicare 9900 DiamondClean Prestige HX9992/12? It got 4.7 out of 5 stars from our customers. Find specific customer reviews of Philips Sonicare 9900 DiamondClean Prestige HX9992/12 below. We will appreciate if you also share your experiences with Philips Sonicare 9900 DiamondClean Prestige HX9992/12 after purchasing.
234.15 €
On the way 3 pcs
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User Reviews

Jindřich, Železný Brodflag
Rated 05/11/2025, variant Philips Sonicare 9900 DiamondClean Prestige HX9992/12
Verified purchase - review from a price comparison website
Precision, quality
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Tomáš, Tvarožnáflag
Rated 15/07/2025, variant Philips Sonicare 9900 DiamondClean Prestige HX9992/12
Verified purchase
Best quality teeth cleaning
Apps and Bluetooth
Rechargeable travel case with usb c and cable
Doesn't look as expensive as the competition
It has no display
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Martin, Hradec Královéflag
Rated 24/06/2025, variant Philips Sonicare 9900 DiamondClean Prestige HX9992/12
Verified purchase
I bought the tab again just because I have a lot of new heads at home and it was on sale.
USB-C in a travel case. If there was a USB-C connector on the Oral-B Io 10, I'd go for it. It's a much better card.
If the tab displays the "mode" of refreshment. So the user starts it. The rhyme finishes and instead of the tab switching off, the whole oral cleaning cycle starts automatically. It is not solved, not even by the latest firmware.
The first card of the same type went out 3 months after the warranty expired. For the price, the longevity is not much.
If this tab goes away again 3 months after the warranty, I'd rather buy some "no name" that has more utility value for the price.
Docking stations. tragedy. Orab B is much better.
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Jan, Prahaflag
Rated 08/02/2025, variant Philips Sonicare 9900 DiamondClean Prestige HX9992/12
Verified purchase
If you can afford it, buy it. It's beautiful, functional, stackable. It is necessary to reckon with some shortcomings that this model suffers from.
beautiful design
smaller than its cheaper counterparts
beautiful case
the battery lasts (when cleaning twice a day) about 10-12 days, but after a few years max 8-10 days, which is kind of expected
the app is useless, I really prefer to set the cleaning modes directly on the brush than to constantly go to the app on the phone and change it there
after 3 years, the shaft responsible for vibration transmission loosened - it started to roar terribly and the head did not vibrate. A common problem with these brushes
the head does not fit into the housing with the cover on
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Pavel, Uherský Brod 1flag
Rated 07/01/2025, variant Philips Sonicare 9900 DiamondClean Prestige HX9992/12
Verified purchase
Everything in order, satisfaction
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Dominik, Lázně Bělohradflag
Rated 06/01/2025, variant Philips Sonicare 9900 DiamondClean Prestige HX9992/12
Verified purchase
Great toothbrush for everyday use
great toothbrush
super case
improvement in quality compared to older versions
when you are lazy to use interdental brushes, this helps you maintain your teeth better than a normal toothbrush
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Martin, Pardubice 21flag
Rated 26/12/2024, variant Philips Sonicare 9900 DiamondClean Prestige HX9992/12
Verified purchase
Compared to the previous top model (about 7 years old DiamondClean), there was only a slight shift forward with this premium model (if the battery hadn't gone, I wouldn't have had a reason to change). On the contrary, compared to the previous model, I am left with the fact that so many sticks are thrown under the feet of the user in the more modern version and that the use of the product is made very unpleasant! Like without the app on your mobile, you basically have a very basic model worth 1,500 CZK. So if you only want a toothbrush to clean your teeth, you only need one cleaning mode and you don't want to lug your mobile phone into the bathroom, then buy the cheapest model and save yourself the nerves and money.
The push button is part of the body - it's not separated with a gap around it, so it's easier to keep clean.
5 modes + 3 cleaning intensities, but... (in the minuses).
Smaller charging case than previous models.
Finally, USB-C.
Charging stand - horrible, cheap plastic verk that slides on the pad and the brush is unstable in it - just strum it and it's on the floor (with the previous model there was a heavy glass jar that held well).
The button is only used for switching on and off.
Changing the mode and intensity can only be done in the mobile app!
So if you brush your teeth on Clean mode and then want to polish them with White mode, you have to wipe your hands, run for your phone, connect to the toothbrush (usually on the second try), browse the settings and choose another mode. And then again.
What kind of a thinker thought that modes cannot be changed with a button as before?! Do we need a special single-purpose app for every stupid thing?
The application requires account registration!? And Android 10, for example, no longer supports it.
Of course, the data on the correctness of the cleaning in the app is just a placebo and cannot be relied on (some users praise the function, but do not realize that the brush and the app estimate the position only with the help of a gyroscope based on the tilt and movement of the machine) - so really indicative values. It's useless.
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Michal, Prahaflag
Rated 24/09/2024, variant Philips Sonicare 9900 DiamondClean Prestige HX9992/12
Verified purchase
better design compared to the previous model, no more dirt around the buttons, the brush body is in one piece monitoring of cleaning time in smaller sections
SenseIQ
+1 year warranty
rechargeable travel case included
price
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Anonymous customerflag
Rated 22/09/2024, variant Philips Sonicare 9900 DiamondClean Prestige HX9992/12
Verified purchase
Excellent toothbrush
Price
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Bombex Company s.r.o., Praha 1flag
Rated 14/09/2024, variant Philips Sonicare 9900 DiamondClean Prestige HX9992/12
Verified purchase
It's working as it should.
satisfaction
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