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I am a projector nut. I use a projector connected to an Amazon Fire TV as my main television set. I have 6 projectors currently in my home. And one thing I can say for sure about projectors is, there is no all-purpose projector. You need to know what you will be using the projector for to know which one will be best for that purpose. If you are buying this in hopes that it will be a great TV replacement, for example, you will likely be disappointed unless you only watch TV at night in near-total darkness. This is not the best projector for that purpose. For many of the negative reviews here, I ask myself why you would buy a tiny battery-powered projector to use for a purpose where a larger plug-in projector would work just fine?
For what this projector is, I have never seen better. With "pico" projectors, there is a juggling act between features, brightness, size, and battery life. The Asus S1 strikes the best balance, in my opinion. 200 lumens does not seem that bright on paper, but keep in mind this is a short throw projector. That means that all of those 200 lumens will be better utilized than a projector with a longer throw. It holds up well side-by-side with higher lumen output standard projectors, projecting the same size image because it can be closer to the screen.
Is it the brightest pico projector available now? No. It once was, but is no longer. However, the newer, brighter projectors can only achieve 60 minutes of projection on a fully charged battery, so unless you have them constantly plugged in or are only using them for short presentations or videos, all that brightness doesn't do much good. The Asus S1 allows you to display an entire feature-length film on one battery charge, without the need for an external battery bank.
I also own the similar Brookstone HDMI pocket projector, and the Asus S1 blows that out of the water. Over twice the brightness, similar battery life, MUCH better form factor and build quality. I can use the Asus in situations where the Brookstone just doesn't have the power to be effective. The Brookstone requires full darkness to use in nearly every condition. The Asus can project a decently-sized image in dimly lit conditions. That might not sound like a huge distinction, but it makes all the difference when you need it.
I would say that the only drawback to the Asus S1 is that the connections and software features are now pretty outdated. It has HDMI input, which is all I will ever use (just buy an HDMI adapter for your phone or computer, they are cheap). The inclusion of MHL is interesting, but unfortunately none of the phone manufacturers bothered to adopt the feature, so it's pretty useless. The USB port is only a charging port to use the projector as a battery bank, which would be good if using an Amazon Fire Stick or something, but most current pico projectors have at least some sort of digital file input port and rudimentary media player functionality. This one does not. So just know that going in. This is an older model projector, and is definitely overdue for a newer model with media player capabilities and SD/USB input. You will need an HDMI device to use it.
I love this projector. I have had my eye on it since it first came out, and it has finally fallen to a price point where I can afford it. I am currently using it to project Halloween decorations onto my front walkway (tarantulas, "AtmosFX Creepy Crawlies 2"). It is so light, I can just clip it to my rain gutter with a GoPro mount, and so small and quiet it seems like the projection is just there by magic. The brightness and quality of the image is astounding and highly effective.
I will also be taking this projector with me on backpacking trips. It is so small and light, and has a long enough battery life, it will allow me and my friends to watch a movie while totally removed from any power source and without the extra weight of a battery bank. I can charge the device during the day using my solar charger. I'll also use it in my RV.
| Brand Name | ASUS |
|---|---|
| Item Weight | 12 ounces |
| Product Dimensions | 4.3 x 4 x 1.2 inches |
| Item model number | S1 |
| Batteries | 1 Lithium Polymer batteries required. (included) |
| Is Discontinued By Manufacturer | No |
| Color Name | Silver |
| Specification Met | Energy Star |
| Special Features | https://www.asus.com/us/Projectors/S1/HelpDesk_Manual/ |
| Item display height | 5 inches |
