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  3. Bath & Body
  4. Teeth Whitening & Oral Care
(619)619

DiamondClean Smart 9300 Electric Toothbrush Black

Philips Sonicare

Sold Out

SOLD OUT

This item is no longer available. Browse our recommendations for something similar.

Details & care

DiamondClean Smart 9300 in black with BrushSync, pressure sensor and app coaching for professional results.

  • Removes up to 20x more plaque; 4 modes + 3 intensities; Pressure sensor; Charging glass + travel case
  • Item #11169561
  • Core Product ID 3333347TYH

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Reviews

(619)6194.3 out of 5
Write a Review

Most helpful positive review

Aug 12, 2026

I love Sonicare toothbrushes and this one’s the be

This is absolutely the best Philips Sonicare toothbrush I have had. And it’s my 3rd one in over 10 years. Paired with their premium heads, my teeth never felt better and cleaner.
JJ86JV
Verified purchase
Reposted from philips.com

Most helpful critical review

Apr 20, 2024

Broke after a few months

[This review was collected as part of a promotion.] This device broke within the first few months of ownership. Phillips then sent me what appeared to be a referbished device that wouldn’t even charge and refused to send me a new one. I would NOT recommend buying this product.
CDD1234
Verified purchase
Reposted from philips.com

Customer photos

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5 stars67%
4 stars16%
3 stars6%
2 stars5%
1 star6%

Pros:

Cons:

Oct 17, 2026

Love the toothbrush, the app is another story

The product works good I have no real complaints about the toothbrush itself. The problem is with the app since a recent Android update it is not syncing with toothbrush, it is not tracking my brushing session.
Reposted from philips.com
Ggotg
Aug 12, 2026

I love Sonicare toothbrushes and this one’s the be

This is absolutely the best Philips Sonicare toothbrush I have had. And it’s my 3rd one in over 10 years. Paired with their premium heads, my teeth never felt better and cleaner.
Reposted from philips.com
Verified purchase
JJ86JV
Apr 19, 2026

This is a great product

[This review was collected as part of a promotion.] I have purchased a few Phillip Sonicare toothbrushes over the past. Recently, I purchased DiamondClean 9000 HX9911 in January 2026 and had trouble getting it to work until April 2026 at which point I contacted Phillips Sonicare and they exchanged my defective DiamondClean 9000 HX9911 with a new one which works!
Reposted from philips.com
Verified purchase
yaya49
Dec 4, 2025

good

This product is really good. I recommend it to everyone. I am satisfied.
Reposted from philips.com
zebra1234cenne
June 8, 2025

Not perfect but a good toothbrush

It's good don't get me wrong but I find the heads are very large so hard to reach the back of your mouth, Considering the price I would expect a bit more from the toothbrush although it does clean very well once you get used to just how powerful the vibration is, it would be nice if there was a smaller possibly round or oval shaped head available (like my previous oral b) as that seemed a much more convenient size for harder to reach areas. The app is more of a gimmick that I used 2/3 times at the beginning but not much after a month or 2 and it doesn't always detect the correct position you are at, the area timer also doesn't really give enough time on each area to get all around the teeth,
Reposted from philips.com
philips.com response
Thank you for sharing your feedback with us. If the device doesn't always detect the correct position, you should hold the brush at a 45o angle to your gum line. Also, the app should be updated. If this doesn't improve the device or if you have any further questions please get in touch with us via Social Media. We' re available on Facebook (@Philips) or X (@PhilipsCare). Don't worry if you don't use Social Media. You can also reach out to us via our contact page (www.Philips.com/contact). Hope to speak to you soon. Best regards
Verified purchase
Braddersss
June 30, 2024

Very happy with my new DiamondClean toothbrush

[This review was collected as part of a promotion.] I really like the new DiamondClean toothbrush. I have used SonicCare toothbrushes for years and the DiamondCare is a step above those. I love the little glass battery as opposed to the SonicCare battery holders.
Reposted from philips.com
Verified purchase
Joyousness
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