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LG 139 cm (55 inches) NanoCell 4K Ultra HD Smart LED TV 55NANO91TNA (Ceramic Black)
LGwebOS (ThinQ AI)2021
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Device Specifications
Detailed technical specifications and features for the LG 139 cm (55 inches) NanoCell 4K Ultra HD Smart LED TV 55NANO91TNA (Ceramic Black)
Display & Performance
Screen Size139 cm (55 inches)
Resolution4K Ultra HD (3840 x 2160 pixels)
Display TypeNanoCell LED
Refresh Rate100 Hz TruMotion / 120 Hz via TM200
Processorα7 Gen3 Processor 4K
Audio System
Sound Output20 W (2 × 10 W)
Speaker Type2.0‑Channel Down‑firing Stereo
Sound ConfigDolby Atmos + AI Sound with Clear Voice III
Audio FeaturesUltra Surround, Bluetooth Surround Ready, AI Acoustic Tuning, Sound Share / WiSA compatible
Connectivity
WiFiWi‑Fi 5 (802.11ac)
BluetoothBluetooth 5.0 (2‑way)
HDMI Ports4
USB Ports3
EthernetYes
Power & Dimensions
Power SupplyAC 100–240 V, 50/60 Hz
Dimensions1237 × 716 × 70.5 mm
Weight18.6 kg
Smart Features
DesignSlim-bezel NanoCell panel, Ceramic Black finish, crescent stand
Key FeatureswebOS Smart TV with ThinQ AI & Magic Remote, Content Recommendations & Family Profiles, Filmmaker Mode™, Game Dashboard with VRR, ALLM, HGiG, AI Brightness & Auto Genre Adaptation, Voice ID & Copilot for Magic Remote, Smart Home Integration (Alexa, Google Assistant, HomeKit), Gallery Mode & Screen Share
Additional ConnectivityOptical (S/PDIF) Audio Out, RF Input (Antenna/Cable), RS‑232C Mini Jack, Headphone Jack, Magic Remote with Internet Access, Voice Assistants Built‑In (Google Assistant & Alexa), Apple AirPlay 2 & HomeKit, LG Channels (100+ Free Live), Sports Alert, Full Web Browser
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