Highly portable. The S1 measures 1.2" x 4.4" x 4.0" (HWD), and weighs just 13 ounces with its rechargeable battery. That may be all you need to carry, since the fully charged battery is rated at 3 hours in the S1's Battery mode. Add the power block, supplied HMDI cable, and soft carrying case the S1 comes with, and it's still only 1.75 pounds.
Low running costs. ASUS rates the light source at 30,000 hours, which means it should last the life of the projector.
Surprisingly capable audio system. The 2-watt mono speaker offers good sound quality and enough volume for a small room. You can also plug a headset or external audio system into the mono audio output.
Brightness. Using AC power, I measured the S1 at 150 lumens in its brightest predefined image mode and at 127 lumens in Theater mode. That makes it bright enough for a 30" to 35" image for extended viewing in moderate ambient light, or a roughly 45" to 65" image in theater dark lighting. The 52" image I settled on for testing is also quite watchable for short sessions in moderate ambient light.
Using battery power, the brightness dropped to 108 lumens in Presentation mode and 71 lumens for the low power Battery mode. That translates to being suitable for roughly a 20" to 25" image for long sessions in moderate ambient light.
Good brightness uniformity. The projector did an even better job maintaining uniform brightness than its 78% uniformity measure suggests. The dimmest and brightest areas were far enough apart, with the brightness changing gradually enough, that I couldn't see any difference even with a solid white screen.
|Review Contents:||Viewing Experience||Set Up||Features and Test Results||Conclusion|
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