TurboVS
LG CineBeam S specifications and in-depth review

LG CineBeam S

Manufacturer: LG

The LG CineBeam S is a compact laser projector designed for home use, offering 4K output resolution from a unit that weighs just 1,900 g and fits comfortably in tight spaces thanks to its 110 × 160 × 160 mm frame. It runs on a laser light source, supports a built-in smart TV platform, and comes with a dedicated smartphone app for added convenience.

On the technical side, the CineBeam S delivers 500 ANSI lumens with a 450,000:1 contrast ratio and supports HDR10 and HLG for a broader range of content compatibility. Connectivity options include one HDMI port, two USB ports, Wi-Fi, Bluetooth, AirPlay, Chromecast, Miracast, and DLNA certification. The projector features stereo speakers rated at 2 × 4W with Dolby Atmos support, motorized focus, and can project images up to 100″ at a 60 Hz refresh rate, with operating power consumption rated at 73W.

Pros
  • 4K output resolution paired with a 450,000:1 contrast ratio makes for a notably wide dynamic range in projected images
  • Laser light source eliminates the need for lamp replacements over the product's lifespan
  • Wireless streaming is covered across multiple protocols — AirPlay, Chromecast built-in, and Miracast — offering broad device compatibility
  • Built-in smart TV platform removes the need for an external media player to access streaming content
  • Eco mode reduces audible noise to 25 dB, making the projector quieter during extended viewing sessions
  • Dolby Atmos support through the built-in stereo speakers adds a spatial audio dimension without requiring external hardware
Cons
  • At 500 ANSI lumens, brightness is limited and may be insufficient in rooms with ambient light
  • No motorized zoom means adjusting the image size requires physically repositioning the unit
  • Lacks an RJ45 port, so a wired network connection is not an option
  • HDR10+ and Dolby Vision are not supported, limiting compatibility with certain high-dynamic-range content
  • No external memory slot means local media playback is restricted to sources connected via USB or streamed over the network
  • A single HDMI port limits the number of devices that can be connected simultaneously
Who is this for?

This projector is a solid fit for users setting up a dedicated home cinema room with controlled lighting, where its 500 ANSI lumens output and 450,000:1 contrast ratio can be appreciated without interference from ambient light. The built-in smart TV platform, AirPlay, Chromecast, and Miracast support make it well-suited for those who want a wireless, cable-light setup with flexible device compatibility. Its compact dimensions and relatively low weight also make it a practical choice for users who want a projector that can be placed or repositioned without much effort, particularly in smaller living spaces.

Who is this NOT for?

Users who frequently watch content in bright or naturally lit rooms are likely to find the 500 ANSI lumens insufficient for a clear, well-defined image. Those who require HDR10+ or Dolby Vision compatibility for high-dynamic-range content from certain streaming platforms or disc sources will find the projector lacking on that front. Additionally, users with multiple HDMI devices — such as a game console, streaming stick, and Blu-ray player — may be frustrated by the single HDMI port, making this a poor match for complex home theater setups with several connected sources.

General info:

audible noise 29 dB
has laser light source ✓
audible noise (eco) 25 dB
operating power consumption 73W
width 110 mm
height 160 mm
thickness 160 mm
weight 1900 g
Has a dedicated smartphone app ✓
standby power consumption 0.5W
volume 2816 cm³

The LG CineBeam S runs on a laser light source and has a compact footprint of 110 × 160 × 160 mm with a total volume of 2,816 cm³, weighing 1,900 g. Operating power consumption sits at 73W, while standby draw is kept to a minimal 0.5W. Audible noise during standard operation measures 29 dB, dropping to 25 dB in eco mode, making it reasonably quiet in either setting. The projector also comes with a dedicated smartphone app, adding a convenient layer of remote management for everyday use.

Projection quality:

ANSI lumens 500 lumens
output resolution 4K
contrast ratio 450000:1
has motorized focus ✓
maximum projection size 100"
has motorized zoom ✕
supports HDR10+ ✕
has manual focus ✓
refresh rate 60Hz
supports Dolby Vision ✕
supports HDR10 ✓
supports HLG ✓

The LG CineBeam S produces a 4K output resolution at a 60Hz refresh rate, with a brightness of 500 ANSI lumens and a 450,000:1 contrast ratio for a wide dynamic range between light and dark areas. It can project images up to 100″ and offers both motorized and manual focus options, though motorized zoom is not available. On the HDR front, the projector supports HDR10 and HLG, while HDR10+ and Dolby Vision are not supported.

Connectivity:

HDMI ports 1
has AirPlay ✓
Has Bluetooth ✓
supports Wi-Fi ✓
USB ports 2
has Chromecast built-in ✓
has a VGA connector ✕
is DLNA-certified ✓
has a DVI connector ✕
supports Miracast ✓
RJ45 ports 0
Has S/PDIF Out port ✕

The LG CineBeam S offers a well-rounded connectivity setup, including one HDMI port, two USB ports, and Wi-Fi and Bluetooth for wireless use. Wireless streaming is covered through AirPlay, Chromecast built-in, and Miracast, and the unit holds DLNA certification for network media sharing. There is no RJ45 port for wired networking, and neither a VGA connector, DVI connector, nor S/PDIF output port is included.

Features:

has stereo speakers ✓
has a remote control ✓
has built-in smart TV ✓
has a built-in speaker ✓
audio output power 2 x 4W
has Dolby Atmos ✓
has an external memory slot ✕

The LG CineBeam S includes a built-in stereo speaker system rated at 2 x 4W with Dolby Atmos support, handling audio without the need for an external setup. It also features a built-in smart TV platform, allowing direct access to streaming content, and comes with a remote control for straightforward operation. There is no external memory slot available for local storage expansion.

Final Verdict

The LG CineBeam S is a compact, laser-based 4K projector that brings together a strong feature set for controlled home viewing environments. Its 450,000:1 contrast ratio and laser light source form the backbone of its image quality proposition, complemented by broad wireless connectivity through AirPlay, Chromecast, and Miracast, as well as a built-in smart TV platform that reduces reliance on external devices. That said, its brightness ceiling and limited HDMI expandability mean it performs best in dedicated, light-managed spaces rather than versatile or multi-source setups. For users whose viewing conditions align with its strengths, the CineBeam S represents a well-rounded and capable projector in its category.

Popular Comparisons

LG CineBeam S
LG CineBeam S
VS
LG CineBeam Qube HU710PB
LG CineBeam Qube HU710PB
LG CineBeam S
LG CineBeam S
VS
Hisense M2 Pro
Hisense M2 Pro
LG CineBeam S
LG CineBeam S
VS
Optoma Photon Life PK32
Optoma Photon Life PK32