Two things we like about Nebula’s all-in-one 4K projector system – and two that hold it back from true greatness

Soundcore Nebula X1 Pro home cinema projector
(Image credit: What Hi-Fi?)

The latest projector to enter our test room is not quite like anything we have seen before. It’s the “world’s first mobile theatre system”, sporting four Dolby Atmos satellite speakers that are housed in the projector’s body.

It can also deliver a 4K picture, with a claimed brightness of up to 3500 ISO lumens. You can push the screen size as big as 300 inches, and it is built around a DLP optical system illuminated by a triple-laser lighting system.

That is all wrapped up in a package weighing a rather hefty 33kg with a set of wheels on the bottom.

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That all means that, in theory, you should be able to take everything you need for a movie night in an all-in-one system. It doesn’t come cheap, and will set you back £4499 / $4999 / AU$8999.

Does it deliver on its promises? After we reviewed the product in our test room, it became clear that there are two aspects in which the X1 Pro excels, and two that hold it back from greatness. Let’s dig into it.

Nifty speaker design

Soundcore Nebula X1 Pro home cinema projector

(Image credit: Soundcore)

The 7.1.4-channel speaker system is arguably the most exciting element of the projector. Each of the four satellite speakers can be placed around the space. They offer a compact yet practical build, with the fronts measuring 8 cm across and the rears coming in at 6 cm wide.

They also include little stands on the bottom with a rubber foot that folds out, making for a sturdy base. On top of that, you can charge them when they are inside the projector, or you can use their individual USB ports to give them some juice.

There’s also a subwoofer inside the projector’s body, which features two drive units, each measuring 13cm in diameter.

It’s a first to see such an elaborate speaker set-up for a portable projector in our test room, and is a draw if you are looking for an entire home cinema system in a box.

Rich, punchy picture

As well as the clever sound and speaker design, the X1 Pro delivers a punchy image performance that makes for pleasant viewing.

When watching Thunderbolts, we note in our review: “The villain’s brightly coloured costume stands out against the background, which makes for an engaging experience.”

Edges of characters and items are crisp and clean, and there is little noise in textures, contributing to an overall picture that feels sharp without tipping into being over-etched. It could do with an extra level of detail considering the price point, but it is still clear enough to see strands of hair and creases in clothes.

When we move to a brighter environment than our dark test room, a fair bit of detail and punch is lost, of course. But this set-up would be watchable with a bright movie when watching outside with the sun still up.

But image looks unsubtle

Soundcore Nebula X1 Pro home cinema projector

(Image credit: What Hi-Fi?)

While it delivers an engaging image, the X1 Pro is not the most subtle of projectors. Its colours look a little over-emphasised, and they verge on unnatural. This becomes clear when watching Civil War as an army chopper lands on lush grass, where the foliage appears a tad too vivid to look realistic.

There is also an issue with the projector’s black depth. During Sinners as Michael B Jordan’s Stack has a terse conversation in a low-lit barn, we found that it “delivers the dark background with a fair bit of banding that verges on grey at points”.

Shadow detail leaves a lot to be desired when it comes to darker skin tones, and it is hard to make out the subtle differences in textures in these areas.

Disappointing sound performance

Soundcore Nebula X1 Pro home cinema projector

(Image credit: What Hi-Fi?)

Unfortunately, while we like the compact speaker design, the sound performance itself rather lets the package down.

The sound is certainly more room-filling than the majority of portable projectors that come with built-in speakers, but we expect a more immersive performance from the 7.1.4-channel system.

With its Dolby Atmos presentation, the system lacks the immersive height and width effects to immerse us truly in the film. And there’s not a huge sense of precision around the space, with obvious gaps in the soundfield.

The bass performance is also underwhelming. Instead of packing a meaty weight, it lands with a rather flat softness. In our review when watching Shang-Chi And The Legend Of The Ten Rings, we say: “Punches should sound deep and impactful, but they lack the powerful drive necessary to convey the right level of force.”

The X1 Pro’s portable, innovative design and punchy picture are not to be dismissed. But the high price tag and lacklustre audio mean that it seems more sensible to invest in a separate projector and sound system to get the best performance from both.

MORE:

Here’s our full review of the Nebula X1 Pro

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Robyn Quick

Robyn Quick is a Staff Writer for What Hi Fi?. After graduating from Cardiff University with a postgraduate degree in magazine journalism, they have worked for a variety of film and culture publications. In their spare time, Robyn can be found playing board games too competitively, going on cinema trips and learning muay thai.

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