The Philips Sonicare DiamondClean Prestige 9900 HX9992/43 measures your brushing pressure, brushing movements, brushing time, and the areas you brush up to 100 times per second with SenseIQ. The toothbrush automatically adjusts its brushing mode and intensity accordingly, so you always use the right brushing mode for your teeth. For more feedback on your brushing behavior, connect the toothbrush to the smartphone app. The app shows your progress and gives you useful tips to learn to brush better. The toothbrush comes with 4 all-in-one brush attachments which also cleans hard-to-reach areas with its triangular ends and long bristles. As soon as the brush attachment needs to be replaced, you'll get a signal on the handle. This ensures you always brush your teeth thoroughly and hygienically.
The Philips Sonicare DiamondClean Prestige 9900 HX9992/43 measures your brushing pressure, brushing movements, brushing time, and the areas you brush up to 100 times per second with SenseIQ. The toothbrush automatically adjusts its brushing mode and intensity accordingly, so you always use the right brushing mode for your teeth. For more feedback on your brushing behavior, connect the toothbrush to the smartphone app. The app shows your progress and gives you useful tips to learn to brush better. The toothbrush comes with 4 all-in-one brush attachments which also cleans hard-to-reach areas with its triangular ends and long bristles. As soon as the brush attachment needs to be replaced, you'll get a signal on the handle. This ensures you always brush your teeth thoroughly and hygienically.
in 2 offers
The lowest price for Philips Sonicare 9900 Prestige Electric Toothbrush right now is $365.99 at Techinn.com, compared across 2 retailers.
The all-time low was $167.15 on 9 July 2026 β today's price is 119% above the lowest ever. It has been notably cheaper before β worth setting a price alert.
Prices last updated 4 Nov 2026.
Philips Sonicare 9900 Prestige Electric Toothbrush
The Philips Sonicare DiamondClean Prestige 9900 HX9992/43 measures your brushing pressure, brushing movements, brushing time, and the areas you brush up to 100 times per second with SenseIQ. The toothbrush automatically adjusts its brushing mode and intensity accordingly, so you always use the right brushing mode for your teeth. For more feedback on your brushing behavior, connect the toothbrush to the smartphone app. The app shows your progress and gives you useful tips to learn to brush better. The toothbrush comes with 4 all-in-one brush attachments which also cleans hard-to-reach areas with its triangular ends and long bristles. As soon as the brush attachment needs to be replaced, you'll get a signal on the handle. This ensures you always brush your teeth thoroughly and hygienically.
The Philips Sonicare DiamondClean Prestige 9900 HX9992/43 measures your brushing pressure, brushing movements, brushing time, and the areas you brush up to 100 times per second with SenseIQ. The toothbrush automatically adjusts its brushing mode and intensity accordingly, so you always use the right brushing mode for your teeth. For more feedback on your brushing behavior, connect the toothbrush to the smartphone app. The app shows your progress and gives you useful tips to learn to brush better. The toothbrush comes with 4 all-in-one brush attachments which also cleans hard-to-reach areas with its triangular ends and long bristles. As soon as the brush attachment needs to be replaced, you'll get a signal on the handle. This ensures you always brush your teeth thoroughly and hygienically.
Last updated at 04/11/2026 08:00:23
Philips Sonicare DiamondClean 9900 Prestige Electric Toothbrush with SenseIQ Technology and App, 5 Cleaning Modes, 3 Intensity Levels, Travel Charging
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Philips Sonicare Diamondclean 9900 Prestige Hx9992/43 Electric Toothbrush Silver
Delivery $28.99
| Product Type | Electric Toothbrush |
| Subtype | Electric toothbrush, Sonic |
| Replaceable Head | Yes |
| Head Size | Compact |
| Included Accessories | Travel case |
Philips Sonicare DiamondClean 9900 Prestige Electric Toothbrush with SenseIQ Technology and App, 5 Cleaning Modes, 3 Intensity Levels, Travel Charging
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Philips Sonicare Diamondclean 9900 Prestige Hx9992/43 Electric Toothbrush Silver
Delivery $28.99
| Product Type | Electric Toothbrush |
| Subtype | Electric toothbrush, Sonic |
| Replaceable Head | Yes |
| Head Size | Compact |
| Included Accessories | Travel case |
