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Philips Sonicare DiamondClean Smart 9400 Sonic electric toothbrush with app

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Philips Sonicare DiamondClean Smart 9400Sonic electric toothbrush with app

HX9917/89

HX992B

Philips Sonicare DiamondClean Smart 9400 Sonic electric toothbrush with app

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Manuals & Documentation

Data Act Document

PDF file, 305.3 kB
11 September 2025

UK Declaration of conformity - English (US)

PDF file, 145.3 kB
21 August 2025

Frequently Asked Questions

Parts & Accessories

Philips Sonicare
Charging glass
CP1722/01
- Transparent
Philips Sonicare
Charging station
CP1205/01
- Black
- UK specific
- Cord length: 95 cm
- 2 pin
- Charge with stand or glass
Philips Sonicare
Charging travel case
CP0557/01
- Black
- Charging cable is included
- Measurements: 23.3 x 7.3 x 5.2 cm
- Voltage: 4.75 - 5.25 V
- Power: 1.5 W
C3 Premium Plaque Defence
Standard sonic toothbrush heads
HX9042/33
- 2 pack
- Standard size
- Click-on
- BrushSync mode pairing
G3 Premium Gum Care
Standard sonic toothbrush heads
HX9052/17
- 2 pack
- Standard size
- Click-on
- BrushSync mode pairing
G3 Premium Gum Care
Standard sonic toothbrush heads
HX9052/33
- 2 pack
- Standard size
- Click-on
- BrushSync mode pairing
G3 Premium Gum Care
Standard sonic toothbrush heads
HX9054/17
- 4-pack
- Standard size
- Click-on
- BrushSync mode pairing

Troubleshooting

Warranty and service

Check the terms of your warranty and start a product exchange or repair

warranty