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Philips Sonicare DiamondClean 9000 Series
Special edition sonic electric toothbrush
HX9911/84
- Remove surface stains for whiter teeth in just 3 days*
- Hard on plaque, gentle on your gums
- Stylish design for a premium brushing experience
- Advanced Sonicare technology for a powerful yet gentle clean
£ 299.99
In stock
Arrives within 3-4 working days
Hard on plaque, gentle on your gums
The C3 Premium Plaque Control toothbrush head is designed to give you your deepest clean yet. Soft, flexible sides and bristles perfectly curve around the contours of your teeth, giving you 4x more surface contact and helping target hard-to-reach spots***
Advanced Sonicare technology for a powerful yet gentle clean
Powerful sonic vibrations move 62,000 times every minute to drive plaque-fighting bubbles between your teeth and along your gum line. Removes up to 10x more plaque than a manual toothbrush.
Product Update
| Support Period | Philips will provide the necessary security updates until 31 December 2026. |
Connectivity
| Bluetooth® wireless technology | Connected brushing app |
Power
| Voltage | 110-220 V |
Technical specifications
| Operating time (full to empty) | 14 days*** |
| Battery | Rechargeable |
| Battery type | Lithium ION |
Design and finishing
| Colour | Silk Pink to White Gradient |
Service
| Warranty | 2-year limited warranty |
Compatibility
| Android compatibility |
Android phones Bluetooth 4.0-enabled tablets |
| iOS compatibility |
iPad 3rd Gen or higher iPhone 4S or higher with iOS7 or higher with iOS 7 operating system |
Ease of use
| Handle | Slim ergonomic design |
| Handle compatibility | Easy click-on brush heads |
| Replacement reminder |
To always ensure best results reminder icon lights up |
Items included
| Handle | 1 DiamondClean 9000 |
| Brush heads | 1 C3 Premium Plaque Control |
| Travel case | 1 |
| Charger base and puck | 1 |
Cleaning performance
| Performance | Removes up to 10 x more plaque* |
| Timer | BrushPacer and SmarTimer |
| Pressure feedback | Vibrates handle to alert user |
Modes
| 3 intensities |
High Medium Low |
| Clean | For exceptional everyday cleaning |
| Deep Clean+ | For an invigorating deep clean |
| Gum Health | Special attention to molars |
| White+ | To remove surface stains |
Smart sensor technology
| Pressure sensor | Alerts when brushing too hard |
| BrushSync Replacement Reminder |
Always know when to replace brush heads |
Frequently asked questions
