Quick Summary
The Philips Sonicare DiamondClean Smart 9400 electric toothbrush is a sonic toothbrush for adults that pairs with the Philips Sonicare app and includes a pressure sensor, brush head detection, 4 brushing modes, and 3 intensity levels. It is designed to support a more personalised brushing routine, with real time feedback if you press too hard.
Who It Is Best For
This toothbrush suits adults who want a more guided brushing routine and prefer a choice of settings. It is a practical option if you like app based support, want feedback on brushing pressure, or want to tailor the feel of the brush to your routine.
What To Know Before You Buy
It includes a UK 2 pin bathroom plug for use in bathrooms.
Pros: Offers app guidance, pressure feedback, brush head detection, and a choice of brushing modes and intensity levels.
Cons: If you want a very simple brush with minimal settings, this may offer more control than you need.
Common Buyer Questions
Does this toothbrush work with an app?
Yes, it connects to the Philips Sonicare app for personalised brushing guidance.
How many brushing settings does it have?
It has 4 brushing modes and 3 intensity levels.
Does it warn you about pressure?
Yes, the light ring on the handle flashes if you use too much pressure.
Is it suitable for bathroom use in the UK?
Yes, it contains a UK 2 pin bathroom plug for use in bathrooms.
What is the model number?
The model number is HX9918/89.
Key Details
| Detail | What it means in use |
|---|---|
| Brand | Philips Sonicare |
| Product type | Electric toothbrush |
| Model | DiamondClean Smart 9400, HX9918/89 |
| App support | Connects to the Philips Sonicare app for personalised brushing guidance |
| Pressure sensor | The light ring flashes if you use too much pressure |
| Brush head detection | Supports more tailored brushing feedback |
| Brushing modes | 4 modes |
| Intensity levels | 3 levels |
| Plug | UK 2 pin bathroom plug |
Final Buying View
The Philips Sonicare DiamondClean Smart 9400 is a feature rich electric toothbrush for adults who want app guidance, pressure feedback, and adjustable brushing settings. With 4 brushing modes, 3 intensity levels, brush head detection, and a UK 2 pin bathroom plug, it is built for a more personalised routine. If you want a smarter brushing experience with clear feedback, this is a strong option to consider.
