Philips Sonicare DiamondClean 8500 HX8514/12 Sonic Toothbrush

Philips Sonicare DiamondClean 8500 HX8514/12 is a rechargeable sonic toothbrush with pressure feedback, six brushing modes and three intensity levels. The listing also describes an interactive handle display and Bluetooth app connection, while the stated kit includes two brush heads and charging accessories.

At a glance

Pressure guidance uses a light ring while brushing and provides post-brushing feedback on the handle display.
Choose from six modes and three intensities using the interactive display.
Bluetooth connection enables app-based progress tracking and brushing tips.
Manufacturer claims 62,000 bristle movements per minute and describes Sonicare Fluid Action for cleaning between teeth and along the gumline.
The stated kit includes two A3 All-in-One brush heads, a charging travel case and a charging base with glass.

Price

£194.99Save 52%

Reference price: ~~£409.99~~

Price checked: 14 Nov 2026

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Pros and cons

Pros

On-handle controls and feedback are available without relying on the app for core functions.
Six modes and three intensities offer a choice of brushing settings.
The listed kit provides two brush heads plus a travel case and charging base with glass.

Technical specifications

18 specifications

Identity
Brand	PHILIPS
Model	HX8514/12
Colour	Black
Intended age	Adult

Brushing and controls
Brushing modes	6 modes
Intensity levels	3 intensities
Settings	18
Pressure feedback	Smart pressure feedback guides you in real time, glowing green when pressure is optimal to help protect teeth and gums; post-brushing feedback shows where to adjust pressure
Bluetooth	Bluetooth Connectivity
App functions	Connect your toothbrush to the Sonicare app to track progress, see real-time feedback and get tips to improve your brushing technique
Bristle movement rate	62,000 bristle movements per minute

Power and battery
Power configuration	battery_powered_rechargeable

Brush head
Head shape	Oval
Head firmness	Soft
Bristle material	Nylon

Dimensions and installation
Weight listed	0.75 Kilograms

Other details
Handle material	Plastic
Country of origin	China

What to know before buying

The manufacturer claims plaque, gum-health and stain-removal improvements against a manual toothbrush. The gum-health comparison is specifically in Clean mode over six weeks, and the stain claim specifies less than two days. These are claims, not independently verified results.

What’s in the box

Included

1x DiamondClean 8500 rechargeable sonic toothbrush
2x A3 All-in-One brush heads
1x charging travel case
1x charging base with glass

Who is it for?

A good fit for

Adults wanting a rechargeable sonic toothbrush with pressure guidance on the handle.
Buyers who want multiple modes and intensities, plus optional app-based tracking.
Travellers who would use a charging travel case.

Philips Sonicare DiamondClean 8500 HX8514/12 Sonic Toothbrush · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.7 / 5 · 219 ratings

5 stars73%73%
4 stars24%24%
3 stars2%2%
2 stars1%1%
1 star0%0%

The supplied evidence contains aggregate ratings but no customer-comment summaries. The rating distribution is weighted towards the top categories, but it does not reveal what customers liked or disliked. Treat it as a broad signal rather than evidence about pressure guidance, app use or cleaning performance.

Frequently asked questions

Does the toothbrush require the Sonicare app?

No. The listing says core smart features are available on the handle display. Bluetooth connection to the app is described as optional for progress tracking, syncing and tips.

How many brushing settings does it have?

The listing specifies six modes and three intensities, alongside a stated total of 18 settings.

What is included in the stated kit?

The manufacturer contents list names the toothbrush, two A3 All-in-One brush heads, a charging travel case and a charging base with glass.

What warranty and satisfaction terms are stated?

The listing states a 2-year limited warranty and a 100-day money-back guarantee. Check the applicable terms before purchase.