Dangbei Mars Pro and Nebula Cosmos Max are both 4K projectors with similar market positions and close prices. This post will compare them side by side, helping you know more about their differences.


Dangbei Mars Pro and Nebula Cosmos Max both adopt cool and futuristic styles and color matchings. Dangbei Mars Pro adopts a cuboid shape while Nebula Cosmos Max uses a cylinder shape.

Both of the two projectors have aluminum frames and vents on the side panels.


Both of the two projectors use DLP display technology, but they have different light sources. Dangbei Mars Pro uses a laser light source while Nebula Cosmos Max uses an LED light source.

In terms of brightness, Dangbei Mars Pro is rated at 3,200 ANSI lumens while Nebula Cosmos Max has only 1,500 ANSI lumens. That’s to say, the image of Dangbei Mars Pro is much brighter and clearer than Nebula Cosmos Max under ambient light.

Dangbei Mars Pro projects bigger images than Nebula Cosmos Max. Dangbei Mars Pro projects a maximum screen of 300 inches while Nebula Cosmos Max has a maximum screen of 150 inches.


Both the two 4K projectors have a built-in Android 9.0 system supporting hundreds of APPs. However, Dangbei Mars Pro is better in terms of memory. Dangbei Mars Pro carries 4G RAM and 128G ROM, obviously superior to Nebula Cosmos Max’s 2G RAM and 16G ROM. The large memory of Dangbei Mars Pro enables users to download and store more files.

The operation noise of Nebula Cosmos Max is about 32dB, which is louder than Dangbei Mars Pro’s 24dB.


Dangbei Mars Pro and Nebula Cosmos Max supports both Wi-Fi and Bluetooth. But Dangbei Mars Pro’s Bluetooth 5.0 is much better and quicker than Nebula Cosmos Max’s Bluetooth 4.2.

In terms of interfaces, Dangbei Mars Pro has more interfaces, including LAN, S/PDIF out, and earphone interface.

It is worthy to note that Nebula Cosmos Max doesn’t support the 3D feature.


Nebula Cosmos Max has a long LED lamp of up to 30,000 hours but it is poor in terms of resolution, brightness, screen size, and connectivity. Compared with Nebula Cosmos Max, Dangbei Mars Pro features brighter images with laser as the light source, larger system memory, and more interfaces. Therefore, Dangbei Mars Pro is a better choice in view of their close retail prices.

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