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AC Infinity Multifan S2 Spot Cooler 1 x 120mm

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Multifan S2- 120mm Quiet USB Cooling Blower

The MULTIFAN S2 quiet USB blower can be placed on top of various electronics and components. Features a multi-speed controller with three speed settings and off switch located on the cord. Six foot power cord contains a 5V DC USB plug that can power the blower through any USB port. Includes four silicone fan mounts that are attached to the bottom of the blower to absorb vibrations and to reduce noise. Each unit contains an additional USB port, up to four blowers can be daisy chained together to share the same power source. Rated at 67,000 hours, each dual ball bearing blower is certified by CE and RoHS.

Key Features:
- Quiet blower designed to be placed on top of various electronics to draw out heat
- Features a multi-speed controller to set the fan’s speed to optimal noise and airflow levels.
- Low profile design pushes air out the rear, ideal for applications with limited clearance
- Dual-ball bearings have a lifespan of 67,000 hours and allows the fan to be laid flat or stand upright.
- USB plug can power the fan through USB ports found behind electronics and on portable power banks.
- Dimensions: 4.7 x 4.7 x 1 in. | Airflow: 35 CFM | Noise: 17 dBA | Bearings: Dual Ball | Power: USB

USB Powered

The Multifan series spot coolers are powered by the connected USB cable with in-line speed controller. Plug this fan into a USB outlet on your AV device, computer, or wall adapter for instant and effective airflow. No external power supplies necessary!

Speed Controller

The blower includes an in-line multi-speed controller with power switch to set the fan’s speed to optimal noise and airflow levels for various environments.

Connecting Additional Units

For electronics and components that requires more airflow, each fan unit can daisy chain additional MULTIFAN S series fans. Up to four fans can share the same USB power source. MULTIFAN S1, S2, S3 and S4 contains one fan, and MULTIFAN S5 and S7 contains two fans.


This ultra-quiet blower is designed pull air from the bottom and push it out the rear. It is ideal for electronics and components positioned in a cabinet or rack with a limited clearance height. Popular applications include modems, routers, receivers, amplifiers, game consoles, home theatre, AV cabinets, and entertainment media centres.

More Information
Model Number AI-MPB140A
RRP 46.00

Total Dimensions: 12.0 x 12.0 x 2.5 cm
Cord Length: 72 in. (6 feet)

Total Airflow: 35 CFM
Total Noise: 17 dBA
Speed: 1200 RPM
Power Supply: USB
Operating Voltage: 3 to 7V DC
Power: 1.05 W
Current: 0.2 A
Static Pressure: 0.84 mm-H2O
Operating Humidity: 35 to 85% RH
Operating Temperature: 0 to 158°F
Fan Bearings: Dual Ball
L10 Life Expectancy: 67,000 Hours

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2 Years
Each AC Infinity product will be free from defects for a period of TWO YEARS from the date of purchase. If a product is found to have a defect in material or performance, you will be entitled to a repair or replacement.

If you experience any issues with this product please don't hesitate to contact us.
How much does delivery cost?
Nothing! We offer free post on all orders to anywhere within the Australian mainland and Tasmania.

Can I pick up my purchase from your store?
Yes. You can usually pick up your order from one of our stores. We recommend that you contact us first to ensure your order is ready for collection.

What happens if I'm not happy with my product when it arrives?
We offer a 30 day 100% satisfaction guarantee on all of our products! If your order arrives damaged, faulty or not quite as you expected, please contact us and we will do everything we can to fix the situation.

Please visit our FAQ page for answers to other frequently asked questions or contact us if you have any other questions or comments.