What is the best position top or bottom of audio receiver? Vents are on top and bottom.

I would actually use 2 fans. One to push and one to pull. I used these for a Dish Network receiver which runs very hot inside the cabinet. I used one fan to blow air into the box and one fan to pull air out of cabinet. Works great.

Can someone out in the community help me!...Excuse my stupidity...there are two usb plug ins..One goes to the wall usb port..how bout the other one?

The other port is for daisychaining them together. Like if you have 2 fans and wanted to run both through the same power supply, you'd plug one into the power supply and then the other fan through the second port on the first fan.

I am thinking about buying this to cool off my PS3 original. should I get the single or dual fan?

Honestly I think dual fans are overkill. I'm using a single fan in my stereo cabinet with an Onkyo TX-NR737 head unit (125 watts into 7 channels, though I'm only using 3 powered by that amp) plus a Samsung UBD-M8500 Blu-ray and streaming player. That combination is easily putting out at least 500 watts (maybe more) of heat when it's running a good movie ... your PS3 doesn't do more than about 200 watts per Wikipedia. So the fact that one fan running only on medium speed, plus some decent vent holes, takes care of all the heat from my system means no way do you need 2 fans. Just make sure there's some good input/output air holes or grate or something to provide space for the air to flow through your cabinet, and a single fan should more than do the trick.

What is the extension of the usb cord , is it 6ft or

It's about three feet, on mine. I have the AC Infinity thermostat, it has it's own power cord to the fans. On my cabinet, I have it powering three fans. It has a big Yamaha receiver and Emotive amp. and it stays nice and cool.

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🖤 Stay cool, stay ahead — silent power for your tech sanctuary.

COMPACT YET POWERFUL - Sleek 4.7-inch design delivers a robust 52 CFM airflow to keep your electronics cool and running smoothly.
PLUG PLAY USB POWER - Powered effortlessly via USB ports on your AV gear or gaming consoles—no extra adapters needed.
WHISPER QUIET COOLING - Ultra-quiet 18 dBA noise level keeps your workspace distraction-free.
PRECISION SPEED CONTROL - Multi-speed controller lets you dial in the perfect balance of airflow and silence.
DURABILITY MEETS FLEXIBILITY - Dual-ball bearings ensure 67,000 hours of reliable performance, whether laid flat or standing upright.

The AC Infinity MULTIFAN S3 is a UL-certified, ultra-quiet 120mm USB fan designed to optimize cooling for electronics like receivers, DVRs, PlayStation, Xbox, and computer cabinets. Featuring a multi-speed controller, dual-ball bearings with a 67,000-hour lifespan, and a compact 4.7-inch form factor, it delivers 52 CFM airflow at just 18 dBA noise level, powered conveniently via USB.

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Product Dimensions	4.7"L x 1"W x 4.7"H
Brand	AC Infinity
Power Connector Type	USB
Voltage	5 Volts
Wattage	5 watts
Cooling Method	Air
Compatible Devices	Amplifier
Noise Level	18 dB
Material	Rubber
Maximum Rotational Speed	1300 RPM
Air Flow Capacity	52 Cubic Feet Per Minute
UPC	854759004310
Global Trade Identification Number	00854759004310
Manufacturer	AC Infinity
Series	FBA_AI-MPF120A
Item model number	FBA_AI-MPF120A
Item Weight	0.32 ounces
Item Dimensions LxWxH	4.7 x 1 x 4.7 inches
Color	Black
ASIN	B00G05A2MU
Is Discontinued By Manufacturer	No
Date First Available	October 18, 2013

AC InfinityMULTIFAN S3, Quiet 120mm USB Fan, UL-Certified for Receiver DVR PlayStation Xbox Computer Cabinet Cooling

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