# NEBULA X1 D2351 4K Triple-Laser Projector, 3,500 ANSI Lumens

Triple-Laser: The NEBULA X1 D2351 is a portable laser projector listed with 4K resolution, 3,500 ANSI lumens and Dolby Vision. Its claimed 300-inch maximum image size and auto-alignment features suit flexible home or outdoor viewing, while customer feedback is mixed on color and rainbow effects.

- [Original product page](https://best-deals.pro/product/nebula-x1-d2351-4k-triple-laser-projector)
- [View offer](https://best-deals.pro/visit/nebula-x1-d2351-4k-triple-laser-projector)
- Market: US
- Language: en-US
- Currency: USD
- Brand: NEBULA
- Model: D2351
- Category: Electronics > Media Players & Projectors > Projectors
- Price: 1899.00 USD
- Previous price: 2999.00 USD
- Discount: 37%
- Price checked: 2026-11-14T06:18:38.711Z
- Rating: 4.5 / 5
- Reviews: 115

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- The listing specifies 3840 x 2160 native resolution, Dolby Vision support and a laser light source.
- Automatic focus and obstacle avoidance are listed, and the feature description says one-click alignment adjusts the projected image.
- The listing claims a 300-inch maximum image size and a 30,000-hour light-source life.

## Pros

- The listed 3,500 ANSI lumens and automatic image adjustments are useful for varied indoor and outdoor setups.
- HDMI, USB, Bluetooth and a 3.5mm jack provide several ways to connect playback devices and audio equipment.
- The stated 40-inch minimum image size allows for smaller-room viewing as well as large projections.

## Cons

- Customer feedback reports noticeable rainbow effects for some viewers, and color quality receives mixed feedback.

## Specifications

### Identity
- Brand: NEBULA
- Model: D2351
### Display and video
- Native resolution: 3840 x 2160
- Screen technology listed: Laser
- Brightness: 3500 lm
- Maximum white brightness: 3500 ansi\_lumens
- Contrast ratio: 5000:1 \(native\); 56000:1 \(dynamic\)
- Image size range: 40 inches to 300 inches
- Throw distance range: 1.69 to 4.78
- Light source operating life: 30000 hours
- Video format listed: H.263,AV1,AVC, Dolby Vision, H.263,HEVC, Motion JPEG, MPEG-2, M4VVC-1.VP8, VP9, WMV3, H.264
- Picture enhancement technology: AI HDR, Dolby Vision, NebulaMaster Image Engine
### Connectivity and controls
- Connections listed: 3.5mm Jack, Bluetooth, HDMI, USB
- Control methods listed: Remote Control, Voice Control
- Special features: Auto Focus, Auto Obstacle Avoidance, Built-In Wi-Fi
### Dimensions and installation
- Form factor: Portable
- Mounting type listed: Floor Mount
- Dimensions: 11.14"L x 7.32"W x 9.76"H
- Color: Black+Gray

## Before you buy

- The listing details are inconsistent or unclear: brightness appears as both "3500 lm" and "3500 ansi\_lumens," while throw distances are given as bare numbers without units. The video-format string is malformed, and customer feedback describes a howl screen, which does not clarify the screen type. Confirm these details for your setup. The listing also recommends updating firmware and the system after unboxing, including to Android 14, but the system software version is not independently specified elsewhere.

## A good fit for

- Home theater buyers seeking listed 4K resolution, Dolby Vision and a large projected image.
- People who expect to move the projector between rooms or use automatic focus and image alignment to simplify setup.
- Viewers wanting multiple wired and wireless connection options for consoles, laptops, phones or audio equipment.

## Less suited to

- Viewers particularly sensitive to rainbow effects, given reported customer concerns.
- Buyers who need confirmed throw-distance units or an unambiguous video-format specification before choosing an installation.

## Customer feedback

Customer feedback highlights brightness, sharp image quality, setup and portability as positives. Some customers also praise the sound, though the listing does not provide detailed speaker specifications. Color impressions are mixed, with reports of noticeable rainbow effects. These perceptions matter particularly for viewers sensitive to color artifacts, while the listed 3,500 ANSI lumens and automatic setup features align with reported brightness and ease-of-setup praise.
- Positive themes: Customers report bright, sharp images and an easy setup process.
- Positive themes: Feedback also praises portability and sound quality.
- Mixed feedback: Color quality receives mixed feedback, including reports of noticeable rainbow effects.

## Frequently asked questions

### What resolution is listed for the NEBULA X1 D2351?
The listing gives both native and maximum display resolution as 3840 x 2160.
### How large an image can it project?
The listed image-size range is 40 inches to 300 inches. Actual size depends on placement and viewing conditions.
### Does it include built-in speakers?
The provided details do not confirm speaker specifications. The listing mentions wireless surround sound with separately sold speakers, so do not assume those speakers are included.
### What should I know about reported picture quality?
Customer feedback is positive about brightness and sharpness overall, but color quality is mixed and some customers report rainbow effects. Sensitivity to this effect varies.

## Offer details

- The listing recommends updating the projector firmware and system software after unboxing.

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## Add-ons

- [NEBULA X1 Accessory Pack for Projector, With Wireless Satellite Speakers, Wireless Microphones, Carry Case, All-in-One Entertainment Kit, Compatible with NEBULA X1, For Party, Karaoke, Portable Cinema](https://best-deals.pro/visit/nebula-x1-d2351-4k-triple-laser-projector)
- [NEBULA Gimbal Stand for Projectors, 360° Rotation, Adjustable Height and Angle, Easy Setup, Projects onto Ceiling, Compatible X1, Cosmos 4K SE, Cosmos Laser 4K, For Backyard, Bedroom](https://best-deals.pro/visit/nebula-x1-d2351-4k-triple-laser-projector)

## Images

![NEBULA X1 D2351 4K Triple-Laser Projector, 3,500 ANSI Lumens — 1](https://best-deals.pro/i/enr7RjX1JhtQOkbHecA4zmFCco95nVF-7NtSEQ9i3B473e9k7gVvEZDNMFafx6CkKmk5LUhyEuMC35WvVoTchKX0HGdsLwZO8y9LInK1wULzG9OnA_9oMI-9.jpg)

![NEBULA X1 D2351 4K Triple-Laser Projector, 3,500 ANSI Lumens — 2](https://best-deals.pro/i/5hxOfS38gVnsWKdBaNl1wQps6K9wKMgZYtfSyrUC4pD_AKSF2mHoURG0xXltT1_mkWrZIPvBbM3lIpi5iSHRoUiblM77bWA3Ldf4tRV9i_5OTs5kuz5ZwJH9.jpg)

![NEBULA X1 D2351 4K Triple-Laser Projector, 3,500 ANSI Lumens — 3](https://best-deals.pro/i/rEGjeB_OUl_cytzdQONZN0O2u10Oc2NiMci0Bdqt0_8wf_guE7WIaH6zR4xVpy2ZT3afMbNHizH_gZpX_VjnfqxBjDfctPFKWUmb2OdQFvb1T7ORDbyBB2Wu.jpg)

![NEBULA X1 D2351 4K Triple-Laser Projector, 3,500 ANSI Lumens — 4](https://best-deals.pro/i/3i-Obox5mmGP0L-pk3VwJ5VOsZJX69Vp7in_mH049IH8qUwChXtMJMGIu4JQSZzPHCms5DRt5Aos0cRoNDsHpNTZRw2bSry25XV84UBkjaj-I9E0QrS9K9bf.jpg)

![NEBULA X1 D2351 4K Triple-Laser Projector, 3,500 ANSI Lumens — 5](https://best-deals.pro/i/MvBC6OK180rwSKBXZgZ9nVvnC_CMLwJBb31U-xoIMY71P0_uXeAyL-2VBbNciyj17wtw2LBDXyZ-rTksaeb9gVo89i8vCMKIhoTWxHR7LnFFr-PkO8ZYtMH5.jpg)

![NEBULA X1 D2351 4K Triple-Laser Projector, 3,500 ANSI Lumens — 6](https://best-deals.pro/i/hOTz_y7X0LhIww7T3D_8yzHuc8Lkq_VSZxtjtuZ75vKSf4SSG4LlUiBTxtvL6nEvbOUkWaon2myavUjIShWlxF3NDYRFSLzJhQZ9GYQejikHCTDe3ku2bFlR.jpg)

![NEBULA X1 D2351 4K Triple-Laser Projector, 3,500 ANSI Lumens — 7](https://best-deals.pro/i/4vxa1azoikmi4B7ltx6TntM6DR2c5pFusiUDUN1TFzy8dOSHQjEzIQIKmJEpt-CV8SXgHTNEoPVRRTO6gY2Q1u7Z-kfNxKFpv9Pu80FMv3GTNXWVAycpBle-.jpg)