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LG OLED77B3AUA 77" Class (76.7" Diag) 4K UHD OLED TV
In-store pricing snapshot
Last known warehouse price · Jan 25, 2025. Currently out of stock.
* Prices shown are for Costco members only.
The LG B3 Series 77-inch OLED TV delivers stunning 4K Ultra HD resolution (3840 x 2160) with self-lit OLED pixels for perfect blacks, infinite contrast, and smooth motion. Powered by the α7 AI Processor Gen6, it features AI Picture Pro processing and AI Super Upscaling 4K for enhanced image quality across all content.
This TV supports Dolby Vision, HDR10, and HLG high dynamic range formats, along with Dolby Atmos audio through its 2.0 channel 20W speaker system with AI Sound Pro virtual 5.1.2 up-mixing. It runs webOS 23 with ThinQ AI, includes a Magic Remote with NFC, and works with Alexa, Google Assistant, Apple AirPlay 2, and HomeKit.
For gaming, the OLED77B3AUA offers a native 120Hz refresh rate, NVIDIA G-Sync compatibility, AMD FreeSync Premium, VRR, and ALLM across two HDMI 2.1 ports, with two additional HDMI ports for a total of four. Connectivity includes Wi-Fi 6E, Bluetooth 5.0, two USB 2.0 ports, Ethernet, and eARC on HDMI 3. The TV weighs 58.9 lbs without the stand (66.1 lbs with stand) and supports 400 x 200mm VESA mounting. Filmmaker Mode is included for cinema-accurate picture settings.
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