Search  for anything...
Philips Sonicare

Philips Sonicare DiamondClean Smart 9300 Rechargeable Electric Power Toothbrush, Black, HX9903/11

  • Based on 10,094 reviews
Condition: New
Checking for inventory...

Notify me when this product is back in stock

$219.99 Why this price?

Buy Now, Pay Later

As low as $36.67 / mo
  • – 6-month term
  • – No impact on credit
  • – Instant approval decision
  • – Secure and straightforward checkout

Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Affirm, Afterpay, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

This item is eligible for return within 30 days of receipt

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

Availability: Unavailable
Fulfilled by Amazon
Available payment plans shown during checkout

Recently Viewed

Size: 1 Count (Pack of 1)


Color: Black


Features

  • Complete oral care with smart sensor technology for an exceptional clean.Voltage : 110-220 V. Speed : Up to 62000 brush movement/min.
  • Removes up to 10x more plaque and improves gum health up to 7x in just 2 weeks (in gum health mode vs. a manual toothbrush)
  • Removes up to 100% more stains in just 3 days (in white+ mode vs. a manual toothbrush)
  • 3 different smart brush head types automatically pair with the appropriate brushing mode and smart sensors provide real time feedback
  • 4 modes: Clean, White+, Deep Clean+ and Gum Health & 3 intensity levels
  • Includes: 1 Connected Sonicare toothbrush handle with 4 modes; 1 Premium Plaque Control brush head; 1 Premium White brush head; 1 Premium Gum Health brush head; 1 Charging glass; 1 travel case
  • Subscribe & Save on genuine Philips Sonicare brush head replacements and save up to 15%.

Description

Get the ultimate and most complete care with DiamondClean Smart. Eliminate guesswork with real time feedback and personalized coaching so you can improve your technique and achieve 100% confidence in your oral care. It's more than just a toothbrush - it's a complete oral care solution. Featuring Sonic technology, 4 brushing modes and smart brush head mode pairing technology, the Philips Sonicare DiamondClean Smart Rechargeable toothbrush delivers superior plaque removal, gum health and whitening performance. Philips Sonicare DiamondClean Smart goes beyond traditional cleaning to deliver up to 10x more plaque removal, removes 100% more stains in just 3 days and improve Gum Health up to 7x in just 2 weeks . It also features a visual pressure sensor to alert you when you are brushing too hard. Customize your brushing experience using the 4 different modes and 3 intensity settings and know when to replace your brush head via a customized reminder. Its travel case allows you to take your toothbrush on the go and also includes a charging glass that can be used for charging or to rinse your mouth after brushing. vs. a manual toothbrush vs. a manual toothbrush in white+ mode vs. a manual toothbrush in Gum Health mode. Subscribe & Save on genuine Philips Sonicare brush head replacements and save up to 15%.

Brand: Philips Sonicare


Age Range (Description): Adult


Special Feature: Pressure Sensor, Rechargeable


Power Source: Corded Electric


Item Firmness Description: Hard


Is Discontinued By Manufacturer ‏ : ‎ No


Product Dimensions ‏ : ‎ 4.37 x 6.85 x 9.92 inches; 2.31 Pounds


Item model number ‏ : ‎ HX9903/11


Batteries ‏ : ‎ 1 A batteries required. (included)


Date First Available ‏ : ‎ March 26, 2017


Manufacturer ‏ : ‎ Philips Sonicare


Frequently asked questions

This product is currently out of stock. Please check back later for shipping info.

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

    • Long battery, great brush
Size: 1 Count (Pack of 1) Color: Pink
I've had this since 2017 and love it. The buttons are just now starting to get so they don't press as easily, so I'm considering a replacement soon, but the 4 years was worth it, in my opinion (and my dentist's; I'm no longer being told I don't brush well enough). I do have to kind of hold my mouth open and lean over the sink while I brush, otherwise I start gagging from bubbles or whatever because I have a really bag gag reflex (and I use a non-foaming toothpaste), so the toothpaste/hard water running down the handle of the brush is part of why the buttons are starting to go. I do wipe it down after every use, and occasionally take a q-tip with vinegar around the buttons to try to dissolve some of the minerals. My mom says what she does is keep her mouth closed, but pause the brush mid cycle to spit. Just a comment, since I've seen reviews complaining about it being hard to brush because you can't take the brush out of your mouth while it's on (and don't forget to put it in your mouth before turning it on, or you'll have toothpaste everywhere!) The battery usually lasts me about 2 weeks or so, and is still going strong 4 years later. Even my husband's battery is doing well, and it occasionally goes months without use (draining naturally) when he's deployed. I would suggest getting a version with the charging case though, and if I replace mine, that's what I intend to do. We went on a short trip once where I didn't bring the charger, but the flight was bumpy enough I guess the toothbrush thought it was being picked up so the lights were coming on or something...not entirely sure, but it was fully charged when we left and completely dead when we landed. Luckily my husband had the charging case. It takes forever to do a full charge, but it works well in a pinch. I really like the charging glass it comes with though, it's a nice looking toothbrush holder and fits nicely on our mirror. I actually haven't really used the Bluetooth part much, because the phone I had when I got it wasn't compatible and I forgot about it when I got the new phone. I do remember using it with my tablet some at the beginning though, and it had some cool features, was just inconvenient on the tablet. But if you aren't going to use the Bluetooth, there may be some cheaper models that would be more worthwhile. ... show more
Reviewed in the United States on June 13, 2021 by Andrea
    • Does a great job for teeth and gum health
Size: 1 Count (Pack of 1) Color: Pink
My old electric toothbrush finally failed, and I purchased this product. In the past, I would rush through brushing my teeth, but with this product combined with the phone app, I can consistently do a better job brushing my teeth. When I am in a hurry, sometimes I still brush without using the app to get done more quickly, to the detriment of my oral health, but most of the time I use the app. The app provides a disciplined way to brush the teeth and get it right. It lets you know when the brush is held in the wrong angle and when to move on to different teeth and how long to spend with different teeth. It is a great way to brush teeth correctly, every time. There are good illustrations in the app that show exactly what to do and how much time you have left with different teeth. Aside from that, the toothbrush is a great product that leaves my teeth clean and refreshed. ... show more
Reviewed in the United States on February 12, 2024 by Verlan Kliewer
    • Didn’t last a year but..
Size: 1 Count (Pack of 1) Color: Pink
I got this brush in May 2023 and 11 months later the power button stopped working. I came here to write a negative review (pay over 200 dollars for 11 months use is not acceptable) but read someone else’s review regarding their customer support. I called the number, explained the situation and they are sending me a new one. So maybe not all products are durable but they have great customer support for sure! I definitely love this brush (I got a pink one and another reviewer also said a pink one having issues) and hope I get a long lasting one this time :) ... show more
Reviewed in the United States on April 20, 2024 by Lydia Callahan
    • An Amazing Toothbrush!
Size: 1 Count (Pack of 1) Color: Black
I’ve toggled between manual toothbrush and electric toothbrushes for a decent amount of time however, I recently settled on the Philips One toothbrush. It was a nice step up from a manual toothbrush but this one… blows it out of the water! I recently purchased this toothbrush and honestly, I don’t know how/why I’ve gone so long without investing in a tool that I’ll use daily and has such a substantial effect on my quality of life. Pros: The vibrations are STRONG! They don’t hurt or anything but, they definitely make cheaper alternatives feel like a child’s toy. The toothbrush is rechargeable, no more fumbling through junk drawers scavenging two AA’s in an attempt to brush your teeth. There are about 4/5 different settings and some even utilize there own specific brush heads. There is a light around the base of the handle that lights up to inform you when/if you’re brushing too hard. With this toothbrush there is no need to vigorously scrub your teeth, just place it over your teeth and let this bad boy do all the work! You know that feeling when you leave the dentist after a cleaning and you keep rubbing your tongue along your teeth because they’re so polished and smooth? While not quite a replica of that feeling, this toothbrush can definitely come close to recreating that feeling daily! Cons: While not a major concern for me, I feel it’ll be benefited to share the fact that this bad boy can be a little loud. It is to be expected with a toothbrush this powerful so I don’t knock them for it but, I wanted to at least mention it. If you make the mistaking of wetting your brush head and turning on the toothbrush before it is in your mouth, expect a mess. The strength of this toothbrush will result in a mirror splattered with enough toothpaste to put a frat house bathroom to shame. That’s an exaggeration but, it will get everywhere if you turn it on before it’s in your mouth. Overall: This toothbrush is phenomenal! If you’re on the fence but can swing it, I say go for it, you’re investing in yourself. If this price point is too steep for you, definitely check out some less expensive electric toothbrushes, they still outperform manual ones. You teeth will thank you. ... show more
Reviewed in the United States on February 14, 2022 by KP
    • Excellent battery life
Size: 1 Count (Pack of 1) Color: Black
I had purchased the Philips 4100 at first, but found the brushing power completely inadequate. My dentist recommended this model (which she uses), and she was right...easily 2-3x the power of the lesser Philips model. It's a bit pricey, but the battery lasts forever before needing a charge and again the brushing power (on max power) is excellent. Buy once, cry once. ... show more
Reviewed in the United States on December 13, 2023 by Les Murphy

Can't find a product?

Find it on Amazon first, then paste the link below.
Checking for inventory...