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XGIMI RS 20 Ultra Max specifications and in-depth review

XGIMI RS 20 Ultra Max

Manufacturer: XGIMI

The XGIMI RS 20 Ultra Max is a laser-based projector designed for large-screen home viewing, offering a maximum projection size of 300″ alongside a native 4K output resolution. It runs a built-in smart TV platform and supports voice commands, with AirPlay, Chromecast, and Miracast rounding out its wireless capabilities. A dedicated smartphone app adds another layer of control for everyday use.

On the technical side, the RS 20 Ultra Max delivers a 240Hz refresh rate and a 1ms response time, while covering the full range of HDR formats including HDR10, HDR10+, HLG, and Dolby Vision. Both vertical and horizontal lens shift are available for flexible placement. The built-in stereo speaker system outputs 2 x 12W with Dolby Atmos support, and connectivity includes two HDMI ports, two USB ports, Bluetooth, Wi-Fi, and a 3.5mm headset jack. The unit weighs 4800g and carries a one-year warranty.

Pros
  • Supports all major HDR formats including HDR10, HDR10+, HLG, and Dolby Vision, covering a wide range of content types
  • Both vertical and horizontal lens shift allow for precise image positioning without physically moving the unit
  • 240Hz refresh rate combined with a 1ms response time means on-screen motion is rendered with minimal blur or lag
  • Built-in stereo speakers output 2 x 12W with Dolby Atmos support, reducing the immediate need for a separate audio setup
  • Wireless streaming is covered by AirPlay, Chromecast built-in, and Miracast simultaneously, offering broad device compatibility
  • Maximum projection size of 300 inches provides substantial flexibility for large-room setups
Cons
  • No RJ45 port means a wired network connection is not possible
  • Absence of an external memory slot limits local media playback options
  • At 4800g, the unit is relatively heavy, which can complicate ceiling mounting or repositioning
  • The warranty period is limited to one year
  • No S/PDIF output restricts options for connecting certain external audio receivers
Who is this for?

This projector is well-suited to users who want a large-screen home cinema experience, given its 4K output, 300″ maximum projection size, and full HDR format support including Dolby Vision. The 240Hz refresh rate and 1ms response time also make it a practical choice for those who use their projector for fast-paced gaming or sports viewing, where smooth motion and low latency matter. Additionally, the combination of both vertical and horizontal lens shift, built-in smart TV functionality, voice commands, and wireless casting via AirPlay, Chromecast, and Miracast means it fits well in a dedicated home theater room where flexible installation and multiple source options are a priority.

Who is this NOT for?

Users looking for a projector that can connect to a wired network via Ethernet will find this unit unsuitable, as it lacks an RJ45 port entirely. It is also a poor fit for those who need portable or on-the-go projection, since the 4800g weight and relatively large physical dimensions make it impractical to move or set up in different locations regularly. Anyone who relies on local media playback from external storage will also run into limitations, as there is no external memory slot available.

General info:

has laser light source ✓
release date May 2025
width 298 mm
height 249 mm
thickness 190 mm
weight 4800 g
Has a dedicated smartphone app ✓
volume 14098.38 cm³
warranty period 1 years

The XGIMI RS 20 Ultra Max uses a laser light source and has a physical footprint of 298 mm wide, 249 mm tall, and 190 mm thick, with a total volume of 14098.38 cm³. It weighs 4800 g and comes with a dedicated smartphone app for added convenience. The unit is backed by a 1-year warranty.

Projection quality:

output resolution 4K
response time 1 ms
maximum projection size 300"
supports HDR10+ ✓
minimum throw distance 2.5 m
refresh rate 240Hz
supports Dolby Vision ✓
supports HDR10 ✓
supports HLG ✓

The XGIMI RS 20 Ultra Max projects at a native 4K resolution and supports a maximum projection size of 300″, with a minimum throw distance of 2.5 m. It runs at a 240Hz refresh rate with a 1ms response time, making for smooth on-screen motion. HDR coverage is comprehensive, with support for HDR10, HDR10+, HLG, and Dolby Vision all included.

Connectivity:

HDMI ports 2
has AirPlay ✓
Has Bluetooth ✓
supports Wi-Fi ✓
USB ports 2
has Chromecast built-in ✓
has a VGA connector ✕
has a DVI connector ✕
supports Miracast ✓
RJ45 ports 0
Has S/PDIF Out port ✕

The XGIMI RS 20 Ultra Max offers a solid range of wired and wireless connectivity options. On the physical side, it includes 2 HDMI ports and 2 USB ports, though there is no VGA connector, DVI connector, S/PDIF output, or RJ45 port. Wireless connectivity covers Wi-Fi, Bluetooth, AirPlay, Chromecast built-in, and Miracast, giving users several ways to stream or mirror content without cables.

Features:

has stereo speakers ✓
has lens shift (vertical) ✓
has lens shift (horizontal) ✓
has a remote control ✓
has built-in smart TV ✓
has a built-in speaker ✓
audio output power 2 x 12W
has a socket for a 3.5 mm audio jack ✓
has Dolby Atmos ✓
has an external memory slot ✕
has voice commands ✓

The XGIMI RS 20 Ultra Max includes both vertical and horizontal lens shift for flexible installation, and comes with a remote control as well as voice command support. Its built-in stereo speaker system delivers 2 x 12W of audio output with Dolby Atmos, and a 3.5mm headset jack is available for wired audio out. A built-in smart TV platform is integrated directly into the unit, while lens shift in both axes allows for precise image alignment without physically repositioning the projector. There is no external memory slot available.

Final Verdict

The XGIMI RS 20 Ultra Max is a capable large-format laser projector that brings together 4K resolution, a full suite of HDR formats including Dolby Vision, and a 240Hz refresh rate with 1ms response time — a combination that serves both dedicated cinephiles and motion-sensitive viewing situations well. Its built-in smart TV platform, broad wireless casting support, and dual-axis lens shift add genuine installation and usability flexibility. That said, the absence of an Ethernet port, no external memory slot, and considerable weight mean it is best treated as a fixed home theater installation rather than a versatile all-purpose unit. For users building out a permanent large-screen setup where image quality and HDR fidelity are the priority, the RS 20 Ultra Max delivers a technically well-rounded package.