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The GPX PJ504S is a small LED projector rated at 720p resolution with a maximum 140-inch image. It takes HDMI and USB sources and can send audio to a Bluetooth speaker, so it works as a plug-and-play movie box for a dark room. Its 120-lumen output is far dimmer than the lamp and laser projectors it sits among, so it suits casual night viewing rather than a bright living room. Buyers rate it well overall, but expect soft focus at large sizes and limited brightness.
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Lowest price we've seen: $54.00 on Nov 14 at eBay. Tracked across 7 stores since Nov 14.
Owners rate the PJ504S around 4.4 out of 5 and treat it as an easy, low-cost way to get a big picture in a dark room. Complaints center on dimness and softness at large sizes.
The GPX PJ504S is a 720p projector with an LED light source. It enlarges images to a screen size of up to 140 inches and has a brightness of 120 lumens.
Connect a source with an HDMI cable, or plug in a USB drive to play content. The projector also connects over Bluetooth, so you can pair it with a Bluetooth speaker for sound.








