NEBULA Cosmos 4K SE Smart Projector, High-Brightness with Dolby Vision, 200" Screen, 1800 ANSI Lumens, HybridBeam, Enhanced Image Quality, GTV, Portable, for Gaming, Home, and Office Use (Renewed)

I searched 4k projector for 1 month. bought Hisense c1 but returned. Finally ..I bought before 1 week. Watching 4 hours /everyday. Nebula cosmos 4k is excellent. Image quality and contrast and brightness is perfect. I love cosmos 4k.

I don’t usually do reviews but this is one of the best 4k projector u can buy for the price. The sound and the visual quality is so bright. It’s portable and so easy to set up. U don’t need anything else to get started.

Prime Day, 2025. Asurion cancelled my 3 yr. Ext. warranty, with no reason given; which is forcing me to return what looks like a stellar product. I've only tested the unit (as it was listed as "Renewed") for DOA. But it should be duly noted, that the Cosmos 4K SE, is impressive. For a budget minded projector, it checks all of the boxes: Surprisingly good internal speakers eARC, for easy 2.1 sound Almost idiot proof interface, for quick setup (e.g. auto white balance & keystone) Carry handle, for portability

The overall picture Quality of this projector is really good, I am impressed with solid sound and ease to use. Remote control is easy to operate but the screen size of this projector is not at all bigger than 110 inches, if you move the projector back then picture quality drops drastically

Very good, got a few issues with it where it randomly flickers and turns blank when watching in 4k for prolonged times Pictures quality is amazing Using it with my apple tv and homepods so i cant tell how it sounds like Very easy to setup Very nice contrast and color saturation

The NEBULA Cosmos 4K SE delivers crisp 4K UHD picture quality with Dolby Vision support and vibrant color reproduction, making movies and shows look stunning on a big screen up to 200″. Its HybridBeam light engine and 1,800 ANSI lumens brightness bring rich images even in moderately lit rooms, while built‑in Google TV offers seamless access to streaming apps without extra devices. Setup is easy with autofocus, auto keystone, and wall‑color calibration, and the included speakers provide surprisingly solid sound for casual viewing.  However, contrast and black levels can fall short in darker scenes, and the software UI may feel sluggish at times—issues that keep it from being truly premium. Still, it’s a great all‑in‑one 4K smart projector for home cinema on a mid‑range budget.

This is an awesome projector. The WiFi is a little finicky as it has not yet updated to WSP3 so you might have to create a guest WiFi to lower the security level of your WiFi. Other than that this is amazing.

Got this on sale at around 800 bucks. Works well considering its a 4k projector that's portable and all in one. The image is decent but you have better options out there if you got the money but most are almost double what I paid for this. The U.I is slow and unresponsive at times plus its pretty slow to boot up too but once its on all you gotta do is point it at a wall or screen and youre good to go. I will say it has some issues recognizing 4k out put from my pc and when it does it caps it at 30fps so I havent been using it for gaming all in all if you catch on sale and need a 4k projector that won't break your bank id say this is an ok option but there's definitely better out there and forget competitive gaming on this thing as the response time is ok at best. All in all dont let the reviews on YouTube make you believe this is the end all be all portable projector like I did but im still impressed with how convenient and easy this thing is to use once you get past the quirks.

I read great reviews about the Nebula Cosmo 4K SE, so when I saw a refurbished model on sale I jumped to the chance to buy it right away. The price was too good to pass up. One thing that is understated in user reviews is the low contrast ratio. Even in a dark room with velvet wall curtains to absorb bounce light, the blacks levels on the projector are worse than bad. Another note is that this projector isn’t true native 4K. It uses a 0.47-inch native 1080p micromirror DLP chip that achieves 4K-like picture quality using pixel shifting technology. It’s 1080p native but shifts the sensor to a degree that it fakes a 4K image. Given the price point at which I bought it at, the image quality is fine minus the black levels. Another flaw about the projector is that it requires 1.5 meters for the auto keystone to come into effect. Out of the box I thought I got a lemon unit because the projector kept giving me a sensor error as it failed to keystone or focus. After moving the projector approximately 1.5m away from a wall the auto keystone worked as long as I go into the screen menu. Using the auto keystone button on the controller always led to a sensor error. Perhaps I did get a bad unit or it’s just a quirk of the firmware. The problem with video reviews on YouTube is that they don’t mention any of these issues about the required distance and janky auto keystone functions. I’ve had the projector for about 2 weeks and I must have seen the “Contact support” popup window at least 30 times. But, again…due to the price point, I can live with a few quirks. If your budget is under CAD$1400 after taxes this unit is fine….but if you have a larger budget of $CAD10,000 before taxes, save your money for a true 4K projector. This unit was in my price range….if you can afford something better, don't buy the Cosmos 4K SE.