Soundcore Mars 3 Air

Soundcore Mars 3 Air

By Soundcore · Smart Projectors · Audio & Electronics

  • 400 ANSI Lumens brightness
  • 1920x1080 native resolution
  • 30-150 inch image size
  • Android TV 11.0 with Google TV
  • Dual 8W Dolby Audio speakers

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Summary

The Mars 3 Air is a portable 1080p projector with Google TV, a built-in battery and proper speakers, for people who want movie night in any room or the backyard. Check your light levels before buying: CNET measured 252 to 354 lumens against the 400-lumen rating, and dark scenes need a dark room.

Strengths

  • Google TV is built in, with a dedicated Netflix app — no dongle required.
  • The dual 8W Dolby speakers fill a medium or large family room, PCMag said.
  • Autofocus, auto screen fit and obstacle avoidance make setup nearly foolproof, in Expert Reviews’ words.
  • The carry handle and 3.7 lb body move room to room without a mount or cart.
  • The LED lamp is rated for 30,000 hours, so there are no bulbs to buy.
  • Wirecutter picked it as one of two recommended portable mini projectors for 2026.

Weaknesses

  • CNET measured 252 lumens in the most accurate mode; the 400-lumen rating is the manufacturer’s number, not what you measure in a living room.
  • Contrast is the consistent complaint: RTINGS called it disappointing, with raised blacks and washed-out dark scenes.
  • Auto keystone can bend the image worse than it found it — CNET and PCMag both say switch it off.
  • The 2.5-hour battery is an Eco-mode figure; PCMag rated full-power battery life at 1 hour.
  • Eco mode cuts brightness to roughly 30 percent of normal, and an r/projectors owner called the result all but useless.
  • No optical zoom, no lens shift, and the remote is not backlit.

Verified specifications

ModelSoundcore Nebula Mars 3 Air, D2325, sold in black; released January 2024.
Brightness400 ANSI lumens, manufacturer rating.
Native resolution1920 × 1080 (1080p) on a 0.23-inch DMD.
Light sourceRGB LED rated for 30,000 hours.
Contrast ratio400:1 manufacturer rating; CNET measured 405:1.
Image size30 to 150 inches.
Throw ratio1.2:1, with a throw distance of 0.8 to 4.0 m (2.62 to 13.12 ft).
Operating systemGoogle TV over Android TV 11.0, with a built-in Netflix app.
Speakersdual 8W (16W total) with Dolby Audio.
Battery2.5 hours claimed in Eco mode; PCMag rated full-power battery life at 1 hour.
Auto correctionautofocus, auto keystone, auto screen fit and obstacle avoidance.
HDRaccepts 4K HDR input and downconverts to 1080p HDR.
Memory and storage2 GB RAM, 16 GB storage.
Wirelessdual-band Wi-Fi 802.11 a/b/g/n/ac and Bluetooth 5.1.
PortsHDMI 2.1/ARC, USB-A, 3.5 mm audio out.
Power19V / 4.74A adapter (90W).
Noiseunder 28 dB.
Dimensions7.0 × 4.8 × 5.2 in (178 × 122 × 133 mm); 3.7 lb (1.693 kg).
In the boxprojector, remote (2 × AAA batteries), power adapter, power cord, quick start guide.
Warranty12 months, plus a 30-day money-back guarantee.
Full research notes and sources

Brightness and contrast

The 400 ANSI lumen figure is the manufacturer’s rating. CNET measured 252 lumens in the most accurate mode and 354 in Bright mode, and called the output fairly average for portable projectors. CNET compared it favorably with the Xgimi Halo Plus, which measured 284 lumens with a 368:1 contrast ratio. Eco mode cuts brightness to roughly 30 percent of normal — about 97 lumens in the accurate mode — which is a steep price for runtime. Contrast is where reviews pile on: RTINGS called it disappointing with raised blacks, PCMag found SDR input darker than it should be with lost shadow detail, and Expert Reviews noted it can struggle with dark and gloomy content. What Hi-Fi liked the natural color but noted a red undertone to dark scenes and HDR peaks that lack impact. An r/projectors owner reported it stays usable with lamps on in custom and standard mode, and said the Dolby speakers rival a portable speaker. Verdict for your room: dark walls, small screen.

Battery life on the move

The 2.5-hour claim is Eco-mode only. PCMag rated full-power battery life at 1 hour, CNET said it comes in a little shorter than the Mars II Pro before it, and an r/projectors owner reported the battery lasts less than a single feature film — and called Eco mode all but useless at 50 percent brightness. A Soundcore support page references a 65 Wh battery, though the US product page does not publish capacity. The user guide says to charge the unit regularly and never store it fully discharged. Firmware updates arrive over the air. For longer sessions, the usual fix is a power bank; Soundcore also sells bundles with a stand and screen.

Setup and daily use

Autofocus worked well in PCMag’s tests. The auto keystone is the weak spot: PCMag called it finicky and said it sometimes turned the image into an even more extreme trapezoid than it started with, and CNET also told readers to switch it off and line the projector up perpendicular to the screen. There is no optical zoom or lens shift, so the only way to resize the image is to move the projector. PCMag measured 22.5 ms of input lag at 1080p and 4K, 60 Hz, and called the result suitable for casual gaming. HDR input fared better than SDR in PCMag’s tests. The remote is not backlit, and a customer review on the Soundcore store page mentioned defective remote batteries and trouble syncing it.

Repairs, warranty and running costs

Soundcore backs the Mars 3 Air with a 12-month warranty for quality-related issues — a replacement, with return shipping covered — plus a 30-day money-back guarantee. The user guide says not to make repairs yourself and to leave servicing to qualified personnel, so there is no owner-serviceable part. The LED lamp is rated for 30,000 hours. Running costs are effectively zero: no lamps, no filters, no subscriptions. Extras are optional: a carrying case, a screen, a power bank, and bundles that add a stand and screen.

Is it worth it?

Soundcore lists the Mars 3 Air at $599.99, and PCMag’s verdict at that price was to wait for a discount. The street price has come down since launch: What Hi-Fi listed it at $519.99 at Walmart in June 2025, and ProjectorCentral’s street price in October 2026 was $420. At $420 to $470 the trade-offs are easy to take — the battery, handle, speakers and Google TV in one box is the pitch. Near $600, CNET’s warning lands: that money buys brighter, non-portable home theater projectors. If you do not need a battery, skip this one and buy a plugged-in projector instead.

Which model this is

This page covers the Soundcore Nebula Mars 3 Air, model D2325, sold in black. It is not the larger, more rugged Anker Nebula Mars 3, model D2333 — that one is rated at 1000 ANSI lumens with a 5-hour battery. The Mars 3 Air launched in January 2024. Listings and reviews use both the Soundcore and Anker names for the same D2325.

Sources

Manufacturer:

Independent reviews:

Owner reports:

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