Sonicare DiamondClean Smart 9400 Rechargeable Toothbrush

HX9985/48

Complete care for your oral health

Enjoy complete care with the Philips Sonicare DiamondClean Smart Electric Toothbrush - for up to 15x healthier gums** and whiter teeth*. Its smart, app-connected technology delivers a personalized experience every time you brush.

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DiamondClean Smart 9400
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DiamondClean Smart 9400

Rechargeable Toothbrush

Total

recurring payment

Complete care for your oral health

Gently removes up to 20x more plaque*

  • 20x more plaque removal*
  • Up to 15x healthier gums**
  • Visual pressure sensor
  • 5 modes & 3 intensities
20x more effective on plaque*, gentle on gums

20x more effective on plaque*, gentle on gums

Everyone cleans differently, so we designed this brush head with multi-angle bristles to keep plaque removal on course no matter your technique. Our All-in-One A3 brush head delivers our best cleaning and removes up to 20x more plaque, 15x healthier gums in six weeks, and up to 100% more stain removal in less than two days versus a manual toothbrush.

Sonicare Fluid Action

Sonicare Fluid Action

Philips Sonicare toothbrushes clean gently yet effectively and care for your teeth and gums with 62,000 bristle movements per minute. Sonicare Fluid Action supports the bristles to clean by driving fluid deep between teeth and along the gumline.

Help protect your gums with our pressure sensor

Help protect your gums with our pressure sensor

This Sonicare electric toothbrush has a light ring at its base that gently lets you know if you're overdoing the pressure. Simply ease off when it lights up to help your gums stay protected.

Choose your ideal cleaning experience

Choose your ideal cleaning experience

Enhance your oral care routine with 15 brushing settings. Whether you're looking for a deep clean or a specific focus, you can have it with this electric toothbrush. Select from five modes - Clean, White+, Gum Health, Deep Clean+, and Tongue Care - and adjust to one of three intensity levels for a personalized clean.

Real-time feedback and brushing insights

Real-time feedback and brushing insights

Achieve your oral health goals with your Sonicare toothbrush and app. The two pair seamlessly to provide brushing guidance, real-time feedback, and insights to improve your brushing routine. With advanced coaching and progress tracking, you’ll get the most out of every brushing session. Together, you are unstoppable.

Designed to care, with care

Designed to care, with care

From its slim design to the sleek charging glass, this electric toothbrush is designed with attention to detail by our dedicated designers and engineers. Plus, the compact travel case keeps your toothbrush protected wherever you go.

Keep brushing your best with brush head replacement reminder

Keep brushing your best with brush head replacement reminder

Did you know brush heads become less effective after three months? Dental professionals recommend changing your brush head regularly, that's why Philips Sonicare toothbrushes have a brush head replacement reminder. It tracks how often and how hard you brush, then reminds you to replace your brush head once it's time for a new one.

14 days of regular brushing

14 days of regular brushing

Experience up to 14 days of regular brushing after a single charge, bringing a new level of convenience to your brushing routine.

Technical Specifications

  • Intensities

    High
    To boost your clean
    Medium
    For an everyday clean
    Low
    For sensitive teeth and gums
  • Power

    Voltage
    100-240 V
  • Technical specifications

    Operating time (full to empty)
    14 days
    Battery
    Rechargeable
    Energy Consumption
    Standby without display <0.06W
    Battery type
    Lithium ION
  • Design and finishing

    Color
    Grey
  • Service

    Warranty
    2-year limited warranty
    Software support
    Philips offers relevant software updates for a period of 2 years after the date of purchase.
  • Compatibility

    Android compatibility
    Android phones with Bluetooth 4.0 and above
    Bluetooth wireless technology
    Connected Sonicare app
    iOS compatibility
    iPhone with Bluetooth 4.0 and above
  • Ease of use

    Handle
    Sleek and compact design
    Handle compatibility
    Easy click-on brush heads
    Battery indicator
    Illuminated icon indicates battery life
    Timer
    BrushPacer and SmartTimer
  • Items included

    Handle
    1 DiamondClean Smart
    Brush heads
    • 2 A3 All-in-One
    • 1 G3 Premium Gum Care
    • 1 T1 TongueCare+
    Travel case
    1 Travel case
    Charger
    1 Charging base, glass, and stand
  • Cleaning performance

    Plaque removal
    20x more effective*
    Gum Health
    Up to 15x healthier gums**
    Whitening
    Up to 100% more stain removal***
    Speed
    62,000 brush movements / min
  • Modes

    Clean
    For exceptional everyday clean
    Deep Clean+
    For an invigorating deep clean
    Gum Health
    Gently massages your gums
    White+
    To help remove surface stains
    Tongue Care
    For long-lasting fresh breath
  • Smart sensor technology

    Pressure feedback
    • Ring lights up purple
    • Vibration and pulsing sound
    Replacement Reminder
    Lets you know when to replace your brush head
  • Sonicare app

    Tracking and progress reports
    Track your brushing habits and improvements over time with in-depth data and personalized insights.
    Real-time coaching
    Receive feedback on pressure, motion, and coverage to improve your brushing technique as you go.
    Personalized guidance
    Get customized brushing tips based on your brushing patterns and habits.

Accessories for this product

* Suggested retail price

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Reviews

  • vs. a manual toothbrush
  • *in 6 weeks vs. a manual toothbrush.
  • **in less than 2 days vs. a manual toothbrush.
  • ***** based on two periods of two-minute brushings per day on standard mode
  • ***** Recommended with interdental cleaning

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