Ultra-quiet UL-certified USB fan designed to cool various electronics and components.
Features a multi-speed controller to set the fan’s speed to optimal noise and airflow levels.
Dual-ball bearings have a lifespan of 67,000 hours and allows the fans to be laid flat or stand upright.
USB plug can power the fan through USB ports found behind popular AV electronics and game consoles.
Fan Size: 5.5 x 5.5 x 1 in. | Airflow: 57 CFM | Noise: 18 dBA | Bearings: Dual Ball

PRODUCT DESCRIPTION

The ultra-quiet cooling fan can be positioned to stand upright or laid flat to cool various electronics and components. Features a multi-speed controller with power switch. Includes eight large anti-vibration rubber feet and a 6-foot power cord. The USB plug can be plugged into the USB ports found behind popular electronics such as receivers and video game consoles. Each unit contains an additional USB port, up to four fans can be daisy chained together to share the same power source. This fan system is CE and RoHS certified and contains premium dual-ball bearings, allowing it to be mounted horizontally or vertically. Contains AC Infinity axial fans ACX-FD1425(B)05W3 which meet UL-507 standards for safety under Underwriters Laboratories certificate E503903.

SPEED CONTROLLER

The fan 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; and up to six fans can share the same thermal controller (sold separately). MULTIFAN S1, S2, S3 and S4 contains one fan, and MULTIFAN S5 and S7 contains two fans.

APPLICATIONS

This ultra-quiet cooling fan is popular in a variety of electronics and components such as receivers, DVRs, video game consoles, modems, computers, amplifiers, and other audio video equipment.

Product Identification
Manufacturer	AC Infinity Inc.
Product Name	MULTIFAN S4
Product Model	AI-MPF140A
UPC Code	854759004365
Product Dimensions
Total Dimensions	5.5 x 5.5 x 1.0 in. (14.0 x 14.0 x 2.5 cm)
Hole to Hole Distance	4.92 x 4.92 in. (12.5 x 12.5 cm)
Screw Hole Size	Ø 0.17 in. (Ø 0.4 cm)
Cord Length	72 in. (6 feet)
Product Performance and Technical Specs
Total Airflow	57 CFM
Total Noise	18 dBA
Speed	1200 RPM
Operating Voltage	3 to 7V DC
Power	1.5 W
Current	0.3 A
Wall Adapter Input	100 to 240V AC
Static Pressure	0.84 mm-H2O
Operating Humidity	35 to 85% RH
Operating Temperature	0 to 158°F
Fan Bearings	Dual Ball
Mounting Positions	Horizontal or Vertical
L10 Life Expectancy	67,000 Hours
UL Certification (Fans Only)	PDF
CE Certification (Whole Product)	PDF
RoHS Cert. (Whole Product)	PDF
Product Manuals
Fan Unit Manual	PDF

Multifan S4, Quiet USB Cooling Fan, 140mm