television

LG 139 cm (55 inches) OLED B4 Series 4K Ultra HD Smart OLED TV OLED55B46LA (Black)

LGwebOS 242024

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LG 139 cm (55 inches) OLED B4 Series 4K Ultra HD Smart OLED TV OLED55B46LA (Black) - Image 1

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Device Specifications

Detailed technical specifications and features for the LG 139 cm (55 inches) OLED B4 Series 4K Ultra HD Smart OLED TV OLED55B46LA (Black)

Display & Performance

Screen Size139 cm (55 inches)

Resolution4K Ultra HD (3840 x 2160 pixels)

Display TypeOLED

Refresh Rate120 Hz Native

Processorα8 AI Processor 4K

Audio System

Sound Output20 W (2 × 10 W)

Speaker TypeDown‑firing Stereo

Sound ConfigAI Sound Pro (Virtual 9.1.2 Up‑mix) with Dolby Atmos

Audio FeaturesBluetooth Surround Ready, Auto Volume Leveller (Clear Voice Pro), Sound Mode Share (with LG soundbars)

Connectivity

WiFiBuilt‑in Wi‑Fi

BluetoothBluetooth (built‑in)

HDMI Ports4

USB Ports2

EthernetYes

Power & Dimensions

Power SupplyAC 100‑240 V, 50/60 Hz

Dimensions1228 × 708 × 45.9 mm

Weight14.3 kg

Smart Features

DesignUltra‑thin OLED panel, Cinematic 2‑pole slim stand, Matte‑black finish

Key FeatureswebOS 24 Smart TV, AI Smart Re:New software updates (up to 5 years), Game Optimizer & Dashboard, G‑Sync / FreeSync / VRR / ALLM support, Filmmaker Mode™, Content Recommendations & Family Profiles, Voice Control via built‑in assistants, Sports Alert & HDMI‑CEC (Simplink)

Additional ConnectivityRF Input (Antenna/Cable) ×2, Optical (S/PDIF) Audio Out, Chromecast built‑in, Magic Remote with Internet, Support for Google Assistant, Alexa, Apple AirPlay 2 & HomeKit, LG Channels, Full Web Browser