With charging glass. The rather expensive sonic toothbrush cleans the teeth well. If too much pressure is applied to the teeth and gums, the visual pressure control warns you. Four different cleaning settings, each with three different intensity levels, can be selected. In addition to a conventional charging station, a charging glass and a travel case are also supplied...
Philips Sonicare DiamondClean 9000 Series
7 pieces in stock
Colour2
Unterschiedlicher Lieferumfang2
Product details
The Philips Sonicare 9000 Series electric sonic toothbrush HX9911/84 ensures improved oral health and whiter teeth. It is equipped with advanced sonic technology to remove discolouration and plaque. With the premium brush head, the electric toothbrush offers particularly thorough brushing and adapts optimally to the shape of the teeth. Thanks to the improved surface contact, even hard-to-reach areas can be cleaned effectively. Several cleaning programmes and different intensity levels can be set according to personal requirements. The sonic toothbrush is also equipped with a pressure sensor that alerts you if too much pressure is applied.
Up to 10 x more plaque removal compared to a manual toothbrush
4 cleaning programmes and 3 intensity levels for a personalised brushing experience
BrushSync technology automatically selects the best brushing programme for you
Pressure sensor alerts you if you press too hard
Sonicare app for guidance and progress reports
1x HX9911/84, 1x premium for plaque protection, 1x case, 1x charging glass, 1x charging base
Target group | Adults |
Toothbrush type | Sonic toothbrush |
Equipment + Functions | App supports, Bluetooth, Brush head change reminder, Charge level indicator, Print feedback, Timer |
Number of levels | 3x |
Power supply | Rechargeable battery operated |
Battery life | 336 h |
Scope of delivery | 1x brush head, 1x case, 1x charging station with mains plug, 1x handle |
Item number | 21965585 |
Manufacturer | Philips Sonicare |
Category | Electric toothbrush |
Manufacturer no. | HX9911/84 |
Release date | 17.5.2022 |
Sales rank in Category Electric toothbrush | 44 of 804 |
Colour | Rose |
Exact colour description | Rose |
Target group | Adults |
Toothbrush type | Sonic toothbrush |
Equipment + Functions | App supports, Bluetooth, Brush head change reminder, Charge level indicator, Print feedback, Timer |
Cleaning programme | Daily clean, Deep clean, Gum massage, Whitening |
Number of levels | 3x |
Country of origin | China |
Manufacturer commitment | SBTi |
CO₂ emissions | 20,49 kg |
Climate contribution | EUR 0,51 |
Power supply | Rechargeable battery operated |
Battery life | 336 h |
Battery type | Li-ion |
Mains voltage | 220 V |
Scope of delivery | 1x brush head, 1x case, 1x charging station with mains plug, 1x handle |
Length | 16 cm |
Width | 15.50 cm |
Height | 26 cm |
Weight | 650 g |
Product Safety |
Length | 26.40 cm |
Width | 16.50 cm |
Height | 10 cm |
Weight | 650 g |
30-day right of return
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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- 9.Ailoria3,2 %
- 10.Waterpik3,7 %
- 11.Philips Sonicare3,8 %
- 12.Oclean4 %
- 13.happybrush4,5 %
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- 1.Oral-B0 days
- 1.Waterpik0 days
- 8.happybrush1 day
- 9.Clean2 days
- 9.Philips Sonicare2 days
Return rate
How often is a product of this brand in the «Electric toothbrush» category returned?
Source: Galaxus- 4.Laifen0,5 %
- 6.Curaprox0,7 %
- 6.Philips Sonicare0,7 %
- 6.Waterpik0,7 %
- 9.Ailoria0,8 %

The model "IO Series 7N" from Oral-B, at 215 francs one of the most expensive devices tested, scored best. It achieved the second-best score for the main criterion, rounding off the bristles. The device was also convincing in the other criteria. Also good: more than 100 brushing operations can be performed with one battery charge...

