When comparing LG PH550 vs AAXA P300, the Slant community recommends AAXA P300 for most people. In the question“What are the best portable projectors?” AAXA P300 is ranked 2nd while LG PH550 is ranked 3rd. 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 Good picture quality
Although the colors can be a bit too vibrant, they can be tuned down in the settings to make them balanced. The projector is also bright, so you can use it in a family room for watching movies. Although the resolution is 720p not 1080p, the PH550 has overall a brighter and more detailed picture than most portable projectors.
Pro Works for presentations
The picture is detailed enough for data presentation. Also the overly vibrant colors are not an issue when presenting text slides.
Pro 3D support
There is no crosstalk (picture meant for one eye is seen by the other) in 3D mode, which is an issue for a lot of projectors. On the downside, there is just one 3D color preset and also a few motion artifacts can be seen. Besides that, the projector is bright and therefore works well with 3D content.
Pro Very few rainbows
DLP projectors often show flashes of red, green, and blue on bright objects in darker movie scenes. They are called rainbow artifacts. These artifacts are not a major issue for the PH550. They can appear every once in a while, but it's definitely nothing bothering.
Pro Built-in TV tuner
LG PH550 can be used to project videos or images like a TV screen through its built-in TV turner. The user can project the images from a cable box or home TV through a coaxial connector.
Pro Rechargeable battery
The battery can last up to 2.5 hours, which is enough to watch one whole movie or give a lengthy presentation.
Pro Wide range of connectivity options
LG PH550 has ports for HDMI, VGA, USB ports and AV-in video jack. It has AV-out jack and Bluetooth for sound outputs. To connect to a cable box or TV, one can use a coaxial connector. The remote control is also big enough for scrolling.
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 No android OS built in (not smart).
Con Grayish blacks
The contrast is a little low and makes the blacks seem rather gray. Though with the lights on, it doesn't matter, since any deep blacks would get washed out anyways.
Con Bulkier than most portable projectors
Compared to other projectors in its class, LG PH550 is at the upper end in terms of size and weight specifications.
Con No support for microSD
Amidst the wide connectivity range, LG PH550 does not support microSD.
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.