When comparing Optoma UHD60 4K vs AAXA P300, the Slant community recommends AAXA P300 for most people. In the question“What are the best projectors?” AAXA P300 is ranked 5th while Optoma UHD60 4K is ranked 8th. The most important reason people chose AAXA P300 is:
The projector is usable even when there is no power supply provided. Though its worth mentioning that you only get 160 lumens of brightness (half of the maximum) when running the projector on battery. The battery lasts for about an hour, which should be enough in case you need to give a short presentation with no power outlet available.
Specs
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Pros
Pro 4K resolution
The Optoma UHD60 has true 4K resolution, meaning you can play 4K content that is extremely sharp and detailed.
It's a DLP(digital light processing) single-chip projector. The DLP's digital mirror device switches very fast and creates multiple pixels for each 4K image frame, adding advanced processing the projector produces a real 4K picture. The projector got a 'real 4K' approval by the independent Consumer Technology Association.
Pro Great contrast for a lifelike picture
Thanks to its HDR(high dynamic range) playback, the contrast level on this projector is 1,000,000:1, meaning the blacks are one million times darker than the whites. This makes the image deep and lifelike.
Pro Low input lag for a good gaming experience
This Optoma has an input lag of only 33 ms, which makes gaming convenient.
Pro Bright enough for some ambient light
The projector has 3000 ANSI Lumens of brightness, meaning you can watch movies even during daytime, as long as you keep the curtains closed.
Pro Comes with a battery
The projector is usable even when there is no power supply provided. Though its worth mentioning that you only get 160 lumens of brightness (half of the maximum) when running the projector on battery. The battery lasts for about an hour, which should be enough in case you need to give a short presentation with no power outlet available.
Pro Very portable
AAXA P300 is extremely light, weighing only 0.97 lb, making it easy to carry around. It is also very small in size, only 1.5 x 5.9 x 3.8 inches, making sure it will fit in a suitcase.
Pro Everlasting lamp
The LED light source lasts much longer than regular projectors, estimated at around 15000 hours. Technically, the lamp will not need changing for the next 10 years, if you use the projector for 4-5 hours a day.
Pro Large picture for a small projector
It has a throw distance of 5-12 feet and an image size of 50.5-121.3 inches. You can place the projector close to the screen in a small presentation room and get a decent image with the size of a large TV.
Pro Usable in ambient light
As a business projector, AAXA P300 is bright enough to be usable in presentation rooms with ambient light, in fact it is one of the brightest portable projectors out there.
Pro Great variety of inputs
It has many inputs like HDMI, VGA, MicroSD, USB and AV, making sure the presentation is not delayed due to connection issues.
Cons
Con Very large in size
Though for a home cinema, the projector size doesn't matter too much, the projector is huge, measuring W490 x H141 x D331 mm.
Con Poor colors
This is not the best pick for playing video content due to its poor colors. P300 is meant for presenting slides.
Con Noisy fans
The fan on AAXA P300 is rather loud, it's comparable to an overheating laptop.