A4 Tech 3xFire 2500 DPI Laser Gaming Mouse
A4 Tech 3xFire 2500 DPI Laser Gaming Mouse

The return of auto-fire!
A4Tech are showing off their tasty laser gaming mouse, the X-750F, which comes in a variety of trendy skins and has some very useful features.
It’s a driverless switchable DPI, meaning you can get on and game without having to worry about taking disks with you if you attend a LAN and want to take you favourite mouse along. But there’s lote more to it than that.

The X-750F features a 2500 DPI resolution which is switchable on the fly from within the game to give you either 600, 800, 1200, 1600, 2000 or 2500 DPI. It has a max acceleration of 20g and processing images at 6.4 megapixels per second.

But the best bit is that extra red button you can see in the pictures. It’s a rather cool ‘auto-fire’ that looses of three shots in one, faster than you can click three times. Obviously this is dependant on the game you’re playing but in Call Of Duty 2 and CS 1.6 it works just fine. Using the supplied software you can assign any one of 58 functions to the buttons for Windows apps, or just stick with the default of using it for a single click on folders to open them.

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The X-750F is a gaming mouse, using Agilent's ADNS-6010 laser. It's the same one in Logitech's G7, however A4Tech has managed to pull out 2500 DPI, 25% over its rated 2000. The mouse was tested by Atomicmpc, and the first thing they said about it was the fact that it looks like a Cadillac. Although, a few rows later, they say the comparison to a mid-20th century automobile is out of place, because the X750F looks far too cheap, "thanks" to the silver plastic, extremely thin USB cable and the 3xFire orange button that rests to the left of the mousewheel. This button simulates three normal LMB clicks, supposedly providing an advantage in first person shooters. I'm not sure what good that will do when a target is moving, or if it's meant just for practice on ducks. On A4Tech's site, the button is said to fire 3 times with just one click, avoiding error in operation efficiently while allowing you to focus on the crosshair with the target aimed.
The mouse was tested with Half-Life 2, and the guys managed to empty 18 rounds from the standard pistol in three seconds without the button, and 2.8 with it. The conclusion: Unless that 0.2 of a second has been getting you killed lately, it's just a bright orange novelty.

On the other hand, the middle mouse button/wheel is one of the best ever seen on a mouse, firmly clicking into place as it rolls. Depression is fantastic, the wheel acting like a button, rather than wheel with a crappy trigger. Below the mousewheel is another button that shifts between six levels of DPI. Another nice feature is that the color of the mousewheel changes as you move through each mode, with no color signifying the lowest setting of 600DPI and flashing yellow/green for 2500DPI.
Sure, it had to be something odd too, the back/forward buttons are reversed by default, but this can be reconfigured. The back button is also a little soft and doesn't click soundly like the rest of the mouse.
Included in the X-750F is A4Tech's X7-Jump software that lets you configure the DPI of both the X and Y axes. There's also a macro recorder, so you can bind a set of key presses to one of four mouse buttons (back, forward, right and middle).

In the end, the mouse proves to be great for the price, but lacks the manufacturing quality to make it stand out. The only thing that makes it worth considering is that 3xFire button.
A4 Tech 3xFire 2500 DPI Laser Gaming Mouse

A4 Tech 3xFire 2500 DPI Laser Gaming Mouse
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