---
product_id: 373536247
title: "Philips Sonicare DiamondClean Smart 9400 Electric Toothbrush, Sonic Toothbrush with App, Pressure Sensor, Brush Head Detection, 4 Brushing Modes and 3 Intensity Levels, Black, Model HX9917/89"
brand: "philips"
price: "₨10255"
currency: SCR
in_stock: true
url: https://www.desertcart.sc/products/373536247-philips-sonicare-diamondclean-smart-9400-electric-toothbrush-sonic-toothbrush-app
store_origin: SC
region: Seychelles
---

# 62,000 bristle movements/min App-connected personalized coaching 2-week battery life per charge Philips Sonicare DiamondClean Smart 9400 Electric Toothbrush, Sonic Toothbrush with App, Pressure Sensor, Brush Head Detection, 4 Brushing Modes and 3 Intensity Levels, Black, Model HX9917/89

**Brand:** philips
**Price:** ₨10255
**Availability:** ✅ In Stock

## Summary

> 🦷 Elevate your smile game with smart sonic precision!

## Quick Answers

- **What is this?** Philips Sonicare DiamondClean Smart 9400 Electric Toothbrush, Sonic Toothbrush with App, Pressure Sensor, Brush Head Detection, 4 Brushing Modes and 3 Intensity Levels, Black, Model HX9917/89 by philips
- **How much does it cost?** ₨10255 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/373536247-philips-sonicare-diamondclean-smart-9400-electric-toothbrush-sonic-toothbrush-app)

## Best For

- philips enthusiasts

## Why This Product

- Trusted philips brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Sonic Powerhouse:** Up to 20x more plaque removal vs manual brushing for a radiant smile
- • **App-Driven Precision:** Real-time feedback and personalized guidance via Philips Sonicare app
- • **Smart Pressure Sensor:** Light ring alerts you instantly to protect gums from over-brushing
- • **Travel-Ready Elegance:** Premium USB charging case & iconic charging glass for on-the-go luxury
- • **Tailored Brushing Modes:** 4 modes & 3 intensities to customize your oral care routine

## Overview

The Philips Sonicare DiamondClean Smart 9400 is a cutting-edge electric toothbrush delivering 62,000 sonic movements per minute, removing up to 20x more plaque and promoting 15x healthier gums. Featuring 4 brushing modes, 3 intensity levels, a pressure sensor with light ring alerts, and app connectivity for personalized coaching, it ensures optimal oral care. With a sleek design, premium travel case with USB charging, and up to two weeks of battery life, it’s the ultimate tool for professional-grade dental hygiene anytime, anywhere.

## Description

Philips Sonicare DiamondClean Smart 9400 Electric Toothbrush, Sonic Toothbrush with App, Pressure Sensor, Brush Head Detection, 4 Brushing Modes and 3 Intensity Levels, Black, Model HX9917/89

## Features

- Advanced sonic toothbrush for improved oral health: with the same brushing, it's up to 20 x more effective¹ and provides up to 15 x healthier gums²
- Personalise your brushing with this innovative electric toothbrush for adults: choose from 4 brushing modes and 3 intensity levels to meet your oral healthcare goals
- Real-time feedback: the light ring on the end of your handle will flash if you use too much pressure, so you can ease off the pressure and protect your teeth and gums
- Personalised guidance: connect your toothbrush to the Philips Sonicare app and receive personalised brushing guidance to maintain and improve your brushing habits
- #1 dental professional-recommended sonic toothbrush brand worldwide³: benefit from Philips expertise to keep your teeth and gums in the best condition
- The set includes: 1 x DiamondClean Smart 9400 sonic electric toothbrush, 1 x A3 Premium All-in-One brush head, 1 x G3 Premium Gum Care brush head, 1 x charging glass, 1 x USB charging travel case
- Contains UK 2-Pin bathroom plug for use in bathrooms. Packaging may vary.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Units | 1.0 Count |
| Brand | PHILIPS |
| Age Range Description | Adult |
| Country of origin | China |

## Product Details

- **Brand:** PHILIPS
- **Age range (description):** Adult
- **Special feature:** Brushing Timer
- **Power source:** Battery Powered
- **Item firmness description:** Medium
- **Colour:** Black
- **Material feature:** Sustainable
- **Number of items:** 1
- **Toothbrush Head Shape:** Diamond Shaped
- **Unit count:** 1.0 Count

## Images

![Philips Sonicare DiamondClean Smart 9400 Electric Toothbrush, Sonic Toothbrush with App, Pressure Sensor, Brush Head Detection, 4 Brushing Modes and 3 Intensity Levels, Black, Model HX9917/89 - Image 1](https://m.media-amazon.com/images/I/816BgP-mBcL.jpg)

## Available Options

This product comes in different **Style Name** options.

## Questions & Answers

**Q: Is there an instant Feedback with this model where there is a sensor to locate the location of the brush in the mouth?**
A: Yes

**Q: Does it have a sensitive setting?**
A: Yes

**Q: Does it come with a warranty?**
A: How LONG is the warranty-is it 12 months or less? Please state clearly ?

**Q: Can two people, each with downloaded Sonicare app of their own, connect to the same 9400 brush**
A: Yes

## Frequently Bought Together

- Philips Sonicare DiamondClean Smart 9400 Electric Toothbrush, Sonic Toothbrush with App, Pressure Sensor, Brush Head Detection, 4 Brushing Modes and 3 Intensity Levels, Black, Model HX9917/89
- Philips Sonicare Original A3 Premium All-in-One Standard Sonic Toothbrush heads - 2 Pack in Black (Model HX9092/11)
- Philips Sonicare Original C3 Premium Plaque Defence Standard Sonic Toothbrush Heads - 4 Pack in Black (Model HX9044/33) (Packing May Vary)

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-01-24*