The LED’s also run a lot cooler than a UHP bulb which allows for less cooling and smaller heat sinks, this also means that the fans in the M4 are much quieter as well.
The LED light source, mirrors and lens are all contained in one part of the unit, because there is no bulb this saves a lot of space, the rest of the unit is taken up by the motherboard. The M4 accomplishes it’s small size with the LED light source that it utilizes, an optical engine. That being said it’s on the smaller side of full-sized projectors. Most of the space in the EX3220 is taken up by the UHP bulb, mirrors, and the lens. The M4 is the largest projectors that AAXA has ever produced but it still comes in at almost half the size of the EX3220. The first thing to note about the two units is the size difference. We put these projectors head to head in a test to compare their brightness, clarity, and size to create this review.
#AAXA TECHNOLOGIES M4 800 LUMEN HD PICO PROJECTOR 1080P#
The M4 offers 800 lumens, a 1080p resolution, Automatic vertical keystone correction, and hookups for HDMI, Composite, VGA, Coaxial, and USB. The model we chose to compare with is the AAXA M4, a recently released projector that offers a massive amount of lumens as far as pico’s go. Pico projectors have been using this technology for sometimes and although early units were really no better than a flashlight, some of the newer models are starting to become very impressive. All around its a pretty solid unit for its price point of about $500 but we wanted to compare it to one of the newer, sharper, DLP projectors on the market. It also offers features such as automatic vertical keystone correction and manual digital horizontal keystone correction. The Epson EX3220 specifications include a powerful 3,000 lumen light source and a large 1080p resolution, it has hookups for HDMI, VGA, Composite, and USB connections.
3LCD technology offers a huge advantage in brightness to newer LED brightness but with that comes reduced clarity and size of the projector. The Epson EX3220 is a 3LCD projector, which is the format that most if not all Epson projectors have been in for years now.
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