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TCL 115QM891G 115" specifications and in-depth review

TCL 115QM891G 115"

Manufacturer: TCL

The TCL 115QM891G is a 115-inch large-format television built around a QLED Mini-LED LCD panel that delivers 4K UHD imagery at a native resolution of 3840 x 2160 pixels. Running a built-in smart TV platform with Chromecast, AirPlay, and compatibility with both Google Assistant and Amazon Alexa, it covers a broad range of streaming and voice-control workflows without requiring additional hardware.

On the display side, the screen operates at a 120Hz refresh rate with AMD FreeSync Premium Pro adaptive sync, and it supports HDR10, HDR10+, Dolby Vision, and HLG for wide format coverage. Connectivity includes four HDMI 2.1 ports with ARC and eARC, three USB ports, Wi-Fi 6, and Bluetooth 5.2. The audio system features stereo speakers, a subwoofer, Dolby Atmos, Dolby Digital Plus, DTS:X, and DTS-HD High Resolution Audio, with a digital output available for external audio routing.

Pros
  • Supports all four major HDR formats — HDR10, HDR10+, Dolby Vision, and HLG — covering a wide range of content sources
  • Four HDMI 2.1 ports provide ample connections for high-bandwidth devices simultaneously
  • Comprehensive audio format support including Dolby Atmos, DTS:X, and a built-in subwoofer for richer sound without external speakers
  • Wi-Fi 6 and Bluetooth 5.2 keep wireless connectivity current for stable streaming and device pairing
  • AMD FreeSync Premium Pro adaptive sync reduces screen tearing for compatible video sources
  • Built-in Chromecast, AirPlay, and both Google Assistant and Alexa voice control offer broad ecosystem compatibility
Cons
  • At over 100 kg, the physical weight makes installation and repositioning difficult without assistance
  • No external memory slot limits local storage expansion options
  • The remote control is not rechargeable, requiring regular battery replacement
  • Siri and Apple HomeKit are not supported, limiting integration for users within the Apple ecosystem
  • A pixel density of 38 ppi at this screen size may result in visible pixels at closer viewing distances
Who is this for?

This television is well-suited to dedicated home cinema environments where screen scale and format versatility matter most. The 114.5″ QLED Mini-LED panel with full HDR format coverage — including Dolby Vision and HDR10+ — makes it a strong fit for users who regularly watch high-quality video content and want it rendered at a large scale with broad color depth. The inclusion of AMD FreeSync Premium Pro alongside four HDMI 2.1 ports also makes it a practical choice for living room gaming setups where multiple high-bandwidth sources need to run without screen tearing. Users embedded in either the Google or Amazon ecosystems will appreciate the native voice assistant support, Chromecast, and AirPlay integration for a connected, multi-device household experience.

Who is this NOT for?

At over 100 kg and measuring more than 2.5 meters wide, this television is clearly not suited to smaller rooms or spaces where physical installation flexibility is needed — moving or repositioning it requires significant effort and planning. The 38 ppi pixel density, while typical for this screen class, means the display is not ideal for close-range viewing scenarios where pixel-level sharpness is a priority. Users who rely heavily on Apple's ecosystem may also find the experience limited, as Siri and Apple HomeKit are not supported, and those wanting to expand local storage will be restricted by the absence of an external memory slot.

Display:

display resolution 4K (UHD)
Display type QLED, LED-backlit, LCD, Mini-LED
screen size 114.5"
resolution 3840 x 2160 px
pixel density 38 ppi
display colors 1070 million
bit depth 10-bit
refresh rate 120Hz
supports HDR10 ✓
supports HDR10+ ✓
supports Dolby Vision ✓
supports HLG ✓
Adaptive synchronization AMD FreeSync, AMD FreeSync Premium, AMD FreeSync Premium Pro
has anti-reflection coating ✓
has an ambient light sensor ✓
maximum horizontal viewing angle 178º
maximum vertical viewing angle 178º

The TCL 115QM891G features a 114.5″ QLED Mini-LED LCD panel with a 4K UHD resolution of 3840 x 2160 pixels at 38 ppi, rendering up to 1.07 billion colors at 10-bit depth. Its 120Hz refresh rate is complemented by AMD FreeSync, FreeSync Premium, and FreeSync Premium Pro adaptive sync support, making it well-suited for fast-moving content. The display covers all major HDR formats — HDR10, HDR10+, Dolby Vision, and HLG — and includes an anti-reflection coating along with an ambient light sensor for automatic brightness adjustment. Horizontal and vertical viewing angles each reach 178°, allowing consistent image quality across a wide range of seating positions.

Connectivity:

Has Bluetooth ✓
HDMI version HDMI 2.1
HDMI ports 4
supports Wi-Fi ✓
Wi-Fi version Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
Bluetooth version 5.2
USB ports 3
RJ45 ports 1
supports Miracast ✓
has a socket for a 3.5 mm audio jack ✓
has an external memory slot ✕
has a VGA connector ✕
has a DVI connector ✕

The TCL 115QM891G offers a well-rounded connectivity setup, led by four HDMI 2.1 ports for high-bandwidth source connections, alongside a single RJ45 Ethernet port and three USB ports. Wireless options include Wi-Fi 4, Wi-Fi 5, and Wi-Fi 6, paired with Bluetooth 5.2 and Miracast support for flexible device pairing and screen mirroring. A 3.5 mm headset jack is available for direct audio output, though the TV does not include an external memory slot, VGA connector, or DVI connector.

Audio:

supports Dolby Digital ✓
has DTS Surround ✓
supports Digital Out ✓
supports Dolby Digital Plus ✓
has SRS TheaterSound HD ✕
has stereo speakers ✓
has Dolby Atmos ✓
has Dolby Audio ✓
supports Dolby Virtual ✕
has a subwoofer ✓
has a DTS-HD High Resolution ✓
has DTS:X ✓
HDMI ARC / eARC HDMI ARC, HDMI eARC

The audio system on the TCL 115QM891G includes stereo speakers and a built-in subwoofer, supported by an extensive range of formats: Dolby Atmos, Dolby Audio, Dolby Digital, and Dolby Digital Plus are all present, while DTS coverage extends to DTS Surround, DTS:X, and DTS-HD High Resolution Audio. Digital Out and both HDMI ARC and eARC are available for routing audio to external equipment. SRS TheaterSound HD and Dolby Virtual are not supported on this model.

Design:

width 2565.4 mm
weight 100199 g
thickness 55.9 mm
height 1470.7 mm
volume 210906.998302 cm³
Supports VESA mount ✓

The TCL 115QM891G has a width of 2565.4 mm and a height of 1470.7 mm, with a depth of 55.9 mm and a total volume of approximately 210,907 cm³. At 100,199 g, the set carries considerable weight in line with its large-format footprint. VESA mount support is included, providing a standard wall-mounting option.

Features:

has Chromecast built-in ✓
has AirPlay ✓
has built-in smart TV ✓
compatible with Google Assistant ✓
works with Alexa ✓
works with Siri/Apple HomeKit ✕
supports a remote smartphone ✓
has a rechargeable remote control ✕
supports USB recording ✓
standby power consumption 0.5W
has a search browser ✓
has a sleep timer ✓
has a child lock ✓
warranty period 1 years
has voice commands ✓

The TCL 115QM891G runs a built-in smart TV platform with Chromecast and AirPlay support, and it responds to voice commands through both Google Assistant and Amazon Alexa, though Siri and Apple HomeKit are not supported. Smartphone remote control is available, while the physical remote is not rechargeable. Additional everyday features include a built-in web browser, sleep timer, child lock, and USB recording capability. Standby power consumption sits at 0.5W, and the TV ships with a one-year warranty.

Final Verdict

The TCL 115QM891G is a large-format television built around a clear purpose: delivering an expansive, format-complete viewing experience in a dedicated home environment. Its QLED Mini-LED panel with full HDR format support, four HDMI 2.1 ports, and AMD FreeSync Premium Pro make it a technically capable choice for both cinematic content and gaming at scale, while broad smart platform integration across Google and Amazon ecosystems adds meaningful day-to-day convenience. The physical demands of installation and the absence of Apple HomeKit support narrow its practical fit, but for users with the space and infrastructure to accommodate it, the 115QM891G represents a well-specified option within the large-screen television category.

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