Dangbei Freedo vs Nebula Mars 3 Air
Bold marks the better figure where both are stated to the same standard. “—” means the manufacturer doesn't state it.
 Dangbei FreedoMSRP $599 |  Nebula Mars 3 AirMSRP $599.99 | |
|---|---|---|
| Display system | ||
| Imaging technology | DLP | DLP |
| Technology brand | DLP | DLP |
| Number of imaging devices | — | 1 |
| Chip / panel diagonal | 0.23 in | 0.23 in |
| Native aspect ratio | — | 16:9 |
| Native resolution | — | 1920 × 1080 |
| Addressable resolution | 1920 × 1080 | — |
| Optics | ||
| Throw ratio | 1.2:1 | 1.2:1 |
| Throw reference point | — | Lens |
| Projection distance table | 60″: 1.6 m · 80″: 2.1 m · 100″: 2.7 m · 120″: 3.2 m | 30″: 0.8 m · 50″: 1.33 m · 80″: 2.1 m · 100″: 2.65 m · 120″: 3.2 m · 150″: 4 m |
| Zoom type | Digital | Digital |
| Focus | Auto | Auto |
| Vertical lens shift | — | 0% |
| Horizontal lens shift | — | 0% |
| Fixed offset | 100% | — |
| Interchangeable lens | — | No |
| Image size range | 40–180 in | 30–150 in |
| Horizontal keystone | -30–30° | — |
| Corner / warp correction | 4pt | 4pt |
| Light source | ||
| Light source type | LED | LED |
| Light source detail | — | Red, green and blue LEDs |
| Light source life | Rated: 30,000 h | Rated: 30,000 h |
| Light-source dimming | — | Manual steps |
| Brightness | ||
| ISO light output | 450 lm | — |
| ANSI lumens | — | 400 lm |
| Contrast & black level | ||
| Dynamic contrast | — | 400:1 |
| Colour | ||
| Rec.709 gamut | 124% | — |
| DCI-P3 gamut | 90% | — |
| Colour temperature presets | D65 | — |
| Bit depth / 'number of colours' | — | 8 bit |
| HDR | ||
| HDR formats | HDR10, HLG | HDR10, HLG |
| Motion & gaming | ||
| Max refresh rate | — | 1920×1080: 60 Hz |
| Audio | ||
| Speaker power | 6 W | 16 W |
| Speaker count | 2 | 2 |
| Audio channels | — | Stereo |
| Audio partner | — | Dolby |
| Audio outputs | HDMI ARC | 3.5 mm |
| HDMI ARC | Yes | — |
| Bluetooth speaker mode | Yes | Yes |
| Bluetooth audio out | — | Yes |
| Inputs, control & connectivity | ||
| Max input signal | 3840 × 2160 | 1920 × 1080 |
| HDMI port count | 1 | 1 |
| HDMI ports (feature-level) | HDMI: HDMI, ARC | HDMI: HDMI 2.0 |
| Audio input terminals | — | 3.5 mm |
| USB-C video (DP Alt Mode) | — | No |
| USB media playback | Yes | Yes |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth version | 5.1 | Bluetooth 5.1 |
| Firmware / software | ||
| Smart OS | Google TV | Google TV |
| Certified OS | Yes | — |
| Netflix | Native | Native |
| Casting | Chromecast built-in | Chromecast built-in |
| RAM | 2 GB | — |
| Storage | 16 GB | — |
| Update policy | — | The projector notifies the user when a new firmware version is detected; no support period is stated. |
| Setup automation | ||
| Autofocus | — | When moved |
| Auto keystone | Yes | Yes |
| Screen fit / alignment | Yes | Yes |
| Obstacle avoidance | Yes | Yes |
| Eye-protection sensor | Yes | — |
| Integrated stand / gimbal | Type: gimbal · Tilt min deg: -30 · Tilt max deg: 135 · Tilt range deg: 165 | — |
| Acoustic noise | ||
| Fan noise (sound pressure) | — | Rated: 28 dB(A) |
| Noise measurement standard | — | ISO 7779 |
| Environment & power | ||
| Operating temperature | 0–35°C | 0–35°C |
| Operating orientations | Table, Rear, Ceiling | Table, Ceiling, Rear |
| Rated voltage | — | 100–240 V |
| Power consumption (max) | 55 W | 90 W |
| Power consumption by mode | — | Conference: 59.2 W · Standard: 49.9 W · Movie: 49.9 W · Eco: 22.4 W · Idle: 13.2 WMeasured |
| Standby power | — | 1 W |
| Power supply | External brick | External brick |
| Battery capacity | 60 Wh | 64.8 Wh |
| Battery runtime | 150 min | 150 min |
| USB-C PD input | 65 W | — |
| Physical & installation | ||
| Width | 109 mm | 122 mm |
| Depth | 131 mm | 178 mm |
| Height | 239 mm | 133 mm |
| Weight | 1.4 kg | 1.68 kg |
| Exhaust / intake direction | — | Rear |
| Tripod socket | — | Yes |
| Sealed optical engine | — | Yes |
| Air filter | — | None |
| Safety & compliance | ||
| Photobiological risk group | RG2 | — |
| Laser product class | Class 1 | — |
| Safety & market certifications | FCC, CE, UKCA | CE, FCC |
| Support & ownership | ||
| Warranty | 🇺🇸 US 1 yr | 🇺🇸 US 1 yr · 🇦🇺 AU 1 yr |
| User manual | https://cdn.shopify.com/s/files/1/0582/1127/0815/files/User_Guide_Freedo_Multiple_Languages_V1.pdf?v=1729135986 | https://salesforce-knowledge-download.s3.us-west-2.amazonaws.com/000014639/en_US/000014639.pdf |
| In the box | ||
| Box contents | Projector, Power adapter, Remote control, Aaa batteries, Carrying bag, User manual | Projector, Remote control, Batteries, Power adapter, Power cord, Quick start guide |
| Remote type | Bluetooth | Voice |