Very good90/100
- Very good cleaning performance
- Very good to use
- Good equipment
- Pressure control
- No key lock
- Handpiece rolls away on flat surfaces
Philips Sonicare DiamondClean Prestige 9900
Price in EUR including VAT
Delivered between Wed, 20.5. and Thu, 28.5.
Only 2 pieces in stock at supplier
Only 2 pieces in stock at supplier
free shipping
Colour2
Unterschiedlicher Lieferumfang3
Product details
Exceptional and personalised care for you with SenseIQ. The Sonicare 9900 Prestige with SenseIQ technology is the most advanced toothbrush. It supports proven sonic technology with intelligence, recognises your needs and adapts for comprehensive care so you always get the results you want.
Target group | Adults |
Toothbrush type | Sonic toothbrush |
Equipment + Functions | App supports, Charge level indicator, Print feedback, Timer |
Number of levels | 5x |
Power supply | Rechargeable battery operated |
Battery life | 336 h |
Scope of delivery | 1x charging case, 1x charging station with USB plug, 1x handle, 1x USB cable, 1x USB mains adapter, 2x brush heads |
Item number | 44793075 |
Manufacturer | Philips Sonicare |
Category | Electric toothbrush |
Manufacturer No. | HX9992/42 |
Release date | 1.3.2025 |
Colour | Blue |
Exact colour description | Midnight Blue |
Target group | Adults |
Toothbrush type | Sonic toothbrush |
Equipment + Functions | App supports, Charge level indicator, Print feedback, Timer |
Cleaning programme | Daily clean, Deep clean, Gum massage, Sensitive, Whitening |
Number of levels | 5x |
Country of origin | China |
Manufacturer commitment | SBTi |
CO₂ emissions | 20,17 kg |
Climate contribution | EUR 0,50 |
Power supply | Rechargeable battery operated |
Battery life | 336 h |
Charging variant | Charging station, Travel pouch, USB charging |
Battery size | Device specific |
Scope of delivery | 1x charging case, 1x charging station with USB plug, 1x handle, 1x USB cable, 1x USB mains adapter, 2x brush heads |
Length | 25 cm |
Width | 17 cm |
Height | 8 cm |
Weight | 640 g |
Product Safety |
Length | 24 cm |
Width | 17 cm |
Height | 7.50 cm |
Weight | 692 g |
Specifications may include unverified machine translations.
14-day cancellation right
30-day right of return
30-day right of return
24 Months statutory warranty
Legal concerns
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Reviews & Ratings
Statutory warranty score
How often does a product of this brand in the «Electric toothbrush» category have a defect within the first 24 months?
Source: Galaxus- 10.Ailoria3,4 %
- 11.Waterpik3,6 %
- 12.Philips Sonicare3,8 %
- 13.Oclean4 %
- 14.happybrush4,4 %
Statutory warranty case duration
How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: Galaxus- 9.happybrush1 day
- 9.Oclean1 day
- 11.Clean2 days
- 11.Philips Sonicare2 days
- 13.GUM5 days
Return rate
How often is a product of this brand in the «Electric toothbrush» category returned?
Source: Galaxus- 4.GUM0,5 %
- 4.Laifen0,5 %
- 6.Philips Sonicare0,7 %
- 6.Waterpik0,7 %
- 8.Ailoria0,8 %
Source: Galaxus
Translation: machine translated
Overall ratingVery good91/100
CHIP OnlineSingle testReleaseJanuary 2026
When it comes to cleaning, the Philips Sonicare is hard to beat. The cleaning performance is convincing. Less convincing, however, are the comparatively short battery life and the need for an app to change the cleaning programme or activate the pressure sensor.
This test report belongs to a different type: DiamondClean 9900 Prestige
Very good97/100
The Sonicare 9900 is equipped with a variety of sensors that constantly monitor your brushing behaviour. Among other things, they detect the pressure, where you are brushing and how long certain areas are cleaned. If too much pressure is applied during brushing, the smart toothbrush automatically reduces the power to prevent damage to teeth and gums...
Very good94/100
The Philips sonic toothbrush has a high-quality finish, is pleasant to use and cleans very thoroughly. It is also equipped with useful accessories and the accompanying app provides valuable tips to improve the brushing results.
This test report belongs to a different type: DiamondClean 9900 Prestige
Very good84/100
Luxury model with very good tooth cleaning. The high-priced and lavishly equipped sonic toothbrush from Philips cleans the teeth very well. It scores well in the categories handling, durability and environmental properties. The accessories include an optical pressure control and a travel case with charging option...