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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.

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Dyson Supersonic™ hair dryer on a bed

Give guests an exclusive styling experience, in the comfort of their own room.

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 you’re getting the best price by purchasing 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 01-475-7109
to get started.

View the full terms and conditions.


Free next-day delivery

Free next-day delivery

Orders placed before 4pm Mon - Thurs will be dispatched same day for next working day delivery across Republic of Ireland (excluding Northern Ireland) subject to availability.

Spares, tools and accessories are dispatched separately and will be delivered within 3-5 days.

Free returns

You may cancel your order at any time up to 14 days after receiving the goods by calling us on 01-475-7109 or emailing

Please see our Terms and Conditions for more detail.

Money back guarantee

30-day money-back guarantee

We offer a 30-day returns policy, in case you change your mind. On vacuums, hair care, lighting, purifiers, fans and heaters only.

1. If you change your mind, you may cancel your order up to 30 days after receiving your machine.

2. To cancel, please contact us by:

    Phone: 01-475-7109


3. Our Customer Service team will then arrange to collect your machine, free of charge.

2-year guarantee

2-year guarantee

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

2-year guarantee on:

-  Cordless vacuums;

-  Hair dryers;

-  Purifiers, fans and heaters.

Auto registration

Register your guarantee automatically when buying direct.

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