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The power behind a new kind of hair dryer.
Dyson digital motor cutaway
Dyson digital motor cutaway

The Dyson digital motor V9.

Positioned in the handle, the 27mm Dyson digital motor spins, on average, 6 times faster than other hair dryer motors with one inaudible frequency – yet is a third of the weight.¹ Its 13-blade impeller generates 3.5kPa of pressure, propelling 13 litres of air up to the amplifier every second.

Revolutions per minute

Impeller blades

MM width of V9 motor

Dyson Supersonic™ hair dryer airflow schematic

Air Multiplier™ technology.

With the motor in the handle, there’s space in the head for Air Multiplier™ technology. Using Bernoulli’s principle, the high-pressured air is converted into a controlled, high-velocity jet. Exploiting entrainment, the airflow drawn in by the motor is then amplified three times.

Dyson Supersonic™ hair dryer internal layout
Dyson Supersonic™ hair dryer internal layout

Glass bead thermistor

With a glass bead thermistor and microprocessor carefully controlling a double-stacked heating element, the temperature is measured 20 times per second. The Dyson Supersonic™ hair dryer protects your hair from extreme heat damage.


Vibration reduction mount.

A silicone mount helps to prevent the motor from vibrating against the inside of the handle, reducing the transfer of noise between the motor and the case.

Dyson digital motor V9

One inaudible frequency.

By designing a motor impeller with 13 blades instead of the usual 11, Dyson engineers have pushed one tone within the motor to a sound frequency beyond the audible range for humans.

Choose your model

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James Dyson holding a Dyson digital motor

Direct from Dyson

Price match promise

Dyson Price Promise.

Our prices are checked and matched daily, so you can be confident that you're getting the best price direct from Dyson.

-  If you find a lower price at qualifying retailers within 7 days of purchase, we’ll refund the difference.

-  Contact our Customer Service team on 0800 298 0298 to get started.

View full terms and conditions.

Free scheduled delivery

Free next-day delivery

On orders placed before before 8pm seven days a week.

Scheduled delivery

Pick a day and time slot that suits you. Free options available.

Click and collect

We’ll deliver your machine to a pick-up location of your choice.

Please note that spares, tools and accessories are dispatched separately and will be delivered within 3-5 days.

Money back guarantee

Money back guarantee.

We offer a 35-day returns policy, in case you change your mind (on vacuums, hair care, lighting, purifiers, fans and heaters only).

-  You may cancel up to 35 days after receiving your machine.

-  Contact us on 0800 298 0298 or to cancel.

See our returns policy for further details.


2-year or 5-year guarantee.

We don't stop caring about our machines once they're yours. We offer a guarantee on parts and labour.

5-year guarantee on:

-  Upright and cylinder vacuums.

2-year guarantee on:

-  Cordless vacuums;

-  Hair dryers;

-  Purifiers, fans and heaters.

Auto registration

Register your guarantee automatically when buying direct.

Pay monthly

Spread the cost to suit your budget

-  Choose a monthly instalment plan with PayPal Credit up to 12 months.

-  Interest rate of either 0% p.a. or 14.9% p.a. depending on the product.

Apply online at checkout

-  Select instalments at checkout and apply with simple steps.

-  Minimum order £199.

Representative example

Using PayPal Credit, a £1,200 purchase split over 12 monthly payments:

-  At 0% p.a. would cost £100.00 per month.

-  At 14.9% p.a. would cost £107.73 per month.


¹Tested vs top 20 best-selling hair dryers as of February 2017.