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Philips Sonicare 9900 DiamondClean Prestige HX9992/42 - Electric Toothbrush

Reviews Philips Sonicare 9900 DiamondClean Prestige HX9992/42

Interested in reviews of Philips Sonicare 9900 DiamondClean Prestige HX9992/42? It got 4.6 out of 5 stars from our customers. Find specific customer reviews of Philips Sonicare 9900 DiamondClean Prestige HX9992/42 below. We will appreciate if you also share your experiences with Philips Sonicare 9900 DiamondClean Prestige HX9992/42 after purchasing.
138,490 Ft
In stock > 5 pcs
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User Reviews

Anonymous customerflag
Rated 09/01/2024, variant Philips Sonicare 9900 DiamondClean Prestige HX9992/42
Verified purchase
We have a family of toothbrushes from Philips in the top Prestige series. 5 in total. Each of them has been in complaint, some even 3 times. Great for brushing teeth when they work, but otherwise they are unreliable junk. They either stop working completely, shut down during cleaning, or start making strange noises and vibrating badly. A warning would be the high claimability on Alza for the unlimited (non-image) edition. If you were hesitant, like I used to be, I would definitely go for the Oral-B iO Series 10, there are no such problems with those. As soon as Philips toothbrushes go out of warranty, we buy Oral-B. Unfortunately, Philips service is even worse. Complaints always take almost a whole month and usually the service only changes the motors, they didn't give us new pieces, so you literally have a new toothbrush that someone immediately tinkered with.
cleans well
Brushing teeth is more fun for children
mobile apps
Pressure and scrub sensor
extremely unreliable equipment
more expensive cleaning heads
Philips service
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Anonymous customerflag
Rated 29/11/2023, variant Philips Sonicare 9900 DiamondClean Prestige HX9992/42
Verified purchase
design
functionality
price
another charger, classic QI or USB would be more practical
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Václav, Prahaflag
Rated 27/11/2023, variant Philips Sonicare 9900 DiamondClean Prestige HX9992/42
Verified purchase
It cleans beautifully
Attractive design
Travel charging case nicely made
Practical application
Very high price outside of discount promotions
The charging dock looks poor quality, at this price level I would expect something else
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Customer, Kopřivniceflag
Rated 15/11/2023, variant Philips Sonicare 9900 DiamondClean Prestige HX9992/42
Verified purchase
Great workmanship
Volume
The feeling after cleaning is incomparable to a classic brush (it would require much more time and even then I don't know if the result would be comparable
None except a slightly higher price
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Josef, Liberecflag
Rated 20/08/2026, variant Philips Sonicare 9900 DiamondClean Prestige HX9992/11
Verified purchase - review from a price comparison website
Perfect, with a long battery life.
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Andrea, Praha 9flag
Rated 22/06/2026, variant Philips Sonicare 9900 DiamondClean Prestige HX9992/12
Verified purchase
effective; helps to keep your teeth healthy
higher price
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Hana, Brno 37flag
Rated 30/03/2026, variant Philips Sonicare 9900 DiamondClean Prestige Limited Edition Baby Blue HX9997/32
Verified purchase - review from a price comparison website
Perfect cleaning, connection with the app without problems, beautiful design.
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Stavební bytové družstvo POKROK, Prahaflag
Rated 01/02/2026, variant Philips Sonicare 9900 DiamondClean Prestige HX9992/11
Verified purchase - review from a price comparison website
Quality product
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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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Josef, Prahaflag
Rated 02/11/2025, variant Philips Sonicare 9900 DiamondClean Prestige Limited Edition Baby Blue HX9997/32
Verified purchase
Quite a disappointment from a non-superior model. On the positive side, the travel case has a USB-C connector and can store both the device and one head. The downside is that without the app it has only basic functions. The device has no internal memory, so if you don't have your phone with you, cleaning it won't count. It has no sensor other than the pressure sensor, so the brush doesn't know where it is. The stand is made of plastic. The wireless charging puck is removable, but the puck itself is with a USB-A male tip and is fixed in the puck. Just learn not to push yourself and then you can go at your own pace and set your own routine anyway. At full price, it's a useless model, but in action I don't want to go back. Overall an interesting device, but next time I would go for a lower model and buy the travel case separately. Because it's cheaper. Over time, it's more pleasant, more effective and more gentle on the oral cavity.
USB-C charging case
bought on sale
oscillates well and easily
battery life (more than a month)
Travel case
for a top-of-the-line model, it doesn't do much
no internal memory
higher functions from the app only
wireless puck stand is fixed
the puck stand is USB-A male
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