
When I set out to level up my backyard and living room movie nights, brightness and picture clarity were at the top of my wish list — especially since I knew I’d be watching sometimes with lights on or late-afternoon sun still hanging around. After comparing the latest options from the Nebula family, I landed on the Cosmos Laser 4K, and so far it’s been a decent choice for the price.
Here’s why it works for me — and how it stacks up against the other popular option from Nebula.
What I Love About It
🔆 Brilliant Brightness for Brighter Rooms

One of the main reasons I chose the Cosmos Laser 4K was lumens. This model pushes up to ~2200 ANSI lumens of brightness thanks to its laser-only light source, which makes it noticeably brighter than many projectors in this price class — and perfect for watching when it isn’t pitch-dark outside or inside.
Whether it’s a backyard screening where patio lights are still on, or a living room with curtains drawn but some ambient glow, the image stays punchy and vibrant. No squint-and-adjust needed.
🖼️ Crisp 4K UHD Picture + Android TV

You get native 4K resolution with this Nebula model, giving you really sharp text and detail on big screens. It runs Android TV built-in, so all your favorite streaming apps are right there — no extra dongles or boxes necessary. You do have to connect the dongle that comes with the device, but it is easy to do and is nice hidden inside the unit once installed.
Auto focus and auto keystone correction make setup a breeze whether it’s on a shelf, table, or tripod (See the Video demo above).
🔊 Decent Built-In Sound and Build Quality
It has good-enough integrated speakers for casual movie nights without external audio — but if you’re going all-in with a soundbar like Sonos, you will need to connect directly to one of the speakers as Sonos doesn’t support Bluetooth streaming.
The unit itself is well constructed ergonomically designed. Its light weight and very portable, which is great as I tend to use it mostly in my backyard.
🔄 Comparison: Cosmos Laser 4K vs Nebula Cosmos 4K SE
Here’s a quick take on how these two stack up:

🔆 Brightness
- Cosmos Laser 4K: ~2200 ANSI lumens — a noticeable boost if you care about daylight or ambient light performance. See the video above or the gallery below for more example of the brightness.
- Cosmos 4K SE: ~1800 ANSI lumens (hybrid laser + LED).
🟡 Why it matters: More ANSI lumens generally means better visibility in brighter conditions — exactly what I wanted for flexibility.
📺 HDR + Smart Features
- SE model: Adds Dolby Vision HDR and runs modern Google TV, which can give you better dynamic range on HDR content and a slicker streaming interface.
- Laser model: Uses Android TV — still great, but slightly less streamlined than Google TV.
🟡 Why it matters: The SE can deliver more detailed color contrast and a more polished smart experience, especially if you value cinematic HDR visuals.
🔇 Noise & Design
- The SE tends to be a touch quieter and slightly lighter, which can matter if you’re sensitive to fan noise or move the unit around a lot, however there is only ~2 decibel difference in sound and I find the unit to be generally pretty quiet.





















📊 So Who Are These Best For?
🎬 Cosmos Laser 4K — Best for You If:
✔ You want maximum brightness for brighter viewing scenarios.
✔ You’ll use it in spaces with ambient light (living room, patio, afternoon gatherings).
✔ Android TV and strong base performance are enough for your smart needs.
👉 That was me — I wanted something that didn’t need darkness to look great.
🌈 Cosmos 4K SE — Best for You If:
✔ You want Dolby Vision HDR for more cinematic image depth.
✔ Google TV’s interface and app ecosystem are priorities.
✔ Slightly quieter operation matters for your space.
Nebula Gimbal Stand, Carrying Case and Ego Power Station

The gimbal and carrying case combo for Nebula projectors elevates portability and setup flexibility significantly. The NEBULA Gimbal Stand lets you finely position your Cosmos projector with smooth rotation and tilt for perfect alignment, great for uneven surfaces or when you want quick angle changes.

The Nebula Travel Case for Cosmos Laser Series Mars 3 offers durable, padded protection and thoughtful storage for the projector and accessories with options for hand-strap or shoulder carry and even water resistance. I keep the projector stored in the case to keep dust from collecting on the lens or in the unit itself.

As you might have noticed in some of my photos, I am using the EGO POWER+ Portable Power Station to power the projector. What I like about it is there are no cords to trip over, especially when using the unit in my backyard. It is really nice not to have to run long extension cords and then worry about someone catching it on their foot and pulling the projector over.
Together they make transporting and deploying your Cosmos projector far easier and safer, though the value will depend on how often you’re moving the unit versus stationary use — frequent travelers and outdoor movie fans will appreciate the protection and adjustability.
🏁 Final Verdict
The Cosmos Laser 4K has been a big win for my setup — especially because I don’t always watch in a cave-dark room. It delivers bold, bright images that stay sharp even with lights or some sun around, and the smart Android TV experience is good enough for effortless streaming.
If you’re like me and brightness matters more than HDR bells and whistles, this is an excellent projector for both backyard movie nights and everyday viewing.
Features
| Brand Name | NEBULA |
| Item Weight | 10.69 pounds |
| Product Dimensions | 10.35 x 6.5 x 8.66 inches |
| Item model number | D2350 |
| Color Name | Black+Gray |
| Special Features | Dolby Audio, AIFI, 3D Soundscape, Intelligent Environment Adaptation (IEA) Technology, Keystone correction, Auto focus, Screen fit, Eye guard, Laser-Powered, True 4K laser projector, 4K UHD, HDR 10, Built-In Dongle |
| ASIN | B09XMBR1NN |
| Date First Available | May 3, 2022 |
- Laser-Powered Detail: Make your movies shine with the intensity, which is so bright you can even watch with the lights on, then watch every pixel pop in 4K UHD quality—perfect for home entertainment and office or business use.
- Setup is a Snap: Start the movie in seconds with Intelligent Environment Adaptation (IEA) Technology. Analyze your room to avoid furniture or decorations, then watch your screen automatically fit to your space without any disruptions to the action on screen.
- Carry Around the Home: The ergonomically designed handle allows you to conveniently move Cosmos Laser 4K to the bedroom or the backyard, wherever you want to watch movies.
- Sound You Feel: Enrich your ears with the sweet, rich sound of movie soundtracks from the dual 5W tweeters and notice the heightened intensity from the dual 10W speakers immersing you in the action.
- Abundant Streaming Choices: Android TV 10.0 allows you to see 400,000+ movies and episodes on 7,000+ apps, so you’ll never run out of content. Note: Keep Cosmos Laser 4K's firmware updated for optimal performance.
Features
| Product Dimensions | 29.53 x 8.66 x 9.84 inches |
| Item Weight | 6.98 pounds |
| ASIN | B0DYTGY1DW |
| Item model number | D0733 |
| Special features | Adjustable |
| Color | Black |
| Whats in the box | No |
| Manufacturer | Anker |
| Date First Available | May 21, 2025 |
- Flexible Viewing Angles: Supports 360° horizontal and 90° vertical adjustment to unlock more viewing angles. Easily project onto bedroom ceilings and more.
- Easy to Use: Attach or release in just one second, making setup and changing rooms effortless.
- Stable and Safe: The gimbal engages an automatic lock to prevent unintended releases, ensuring secure mounting and peace of mind.
- Sturdy Design: The aluminum body supports up to 15 lb of weight, delivering reliable stability and long-lasting performance.
- 360° Swivel Base: The detachable base doubles as a swivel, enabling 360° horizontal rotation for standalone use.
- Versatile Compatibility: Works with NEBULA X1, Cosmos 4K SE, and Cosmos Laser 4K.
Features
| Product Dimensions | 14.09 x 11.5 x 7.99 inches |
| Item Weight | 1.1 pounds |
| ASIN | B09XDP4W14 |
| Item model number | D0717011 |
| Date First Available | April 7, 2022 |
| Manufacturer | Anker Innovations Limited |
- Multiple Ways to Carry: Give yourself the choice to carry travel Case with the hand strap or sling it over your shoulder.
- Protects Against Rainstorms: With a 1.7" (4.2 cm) waterproof layer on the bottom of the travel case, you can carry your Cosmos Laser in the rain with complete peace of mind.
- Conveniently Store Your Gear: Pack your Cosmos Laser series or Mars 3, remote, power cord, and 2 microphones in a custom-fit package for the theater experience anywhere.
- Guard Your Projector Against Drops: Give your Cosmos Laser series or Mars 3 a durable layer of protection with hard polyester that protects against accidental falls or bumps during traveling.
Features
| Brand | EGO Power+ |
| Wattage | 3000 watts |
| Fuel Type | Battery Powered |
| Power Source | Battery Powered |
| Recommended Uses For Product | Indoor and Outdoor |
| Item Weight | 44 Pounds |
| Voltage | 56 Volts |
| Output Wattage | 3000 |
| Special Feature | USB Port |
| Included Components | 2 x 7.5 Ah Batteries |
| Color | Black |
| Product Dimensions | 18.33"L x 40"W x 14.51"H |
| Material | Steel |
| Model Name | Nexus Portable Power Station for Indoor and Outdoor Use |
| Engine Type | 4 Stroke |
| Total Power Outlets | 3 |
| Engine Power Maximum | 3000 Watts |
| Starting Wattage | 3000 Watts |
| Running Wattage | 2000 Watts |
| UPC | 692042010385 |
| Manufacturer | CHERVON NORTH AMERICA |
| Part Number | PST3042 |
| Item Weight | 44 pounds |
| Item model number | PST3042 |
| Batteries | 2 Lithium Ion batteries required. (included) |
| Style | w/(2) 7.5Ah Batteries |
| Pattern | Power Station |
| Item Package Quantity | 1 |
| Special Features | USB Port |
| Batteries Included | Yes |
| Batteries Required | Yes |
| Battery Cell Type | Lithium Ion |
| Warranty Description | 5 Year Tool Warranty 3 Year Battery Warranty |
| ASIN | B07P9DP5WL |
| Date First Available | February 28, 2019 |
- 3000W Peak 2000 Watt Continuous
- 3 120V AC Outlets
- 4 USB Ports
- Bright LED Display Shows Run Time
- Robust Steel Handles
- Battery Powered Alternative to Gas Generators
- Quiet Clean Power for Indoor and Outdoor Use
- 4 Port Battery Charger (when plugged in)
- Weather-Resistant Construction
