Does it have 2.1 hdmi?

Only partial 2.1 support. It does have 2.1 ports but the hardware is only designed to handle 40Gbps maximum instead of the full 48Gbps the specification allows. This is because the display panels can only display a 10-bit 4K picture at 120hz. The HDMI 2.1 spec allows for a 12-bit signal at 4K and 120hz which the panel is incapable of doing.

Does it have a 2.1 input

All four of the HDMI inputs on the LG CX 55 inch Class 4K Smart OLED TV w/ AI ThinQ® (54.6'' Diag), Model # OLED55CXPUA are full spec HDMI 2.1 ports and they are all HDCP 2.2 compliant. HDMI IN 2/eARC supports HDMI eARC functionality...^IFV

Does the optional protection plan cover burn-in?

I bought at Costco who told me their Square Trade warranty covered burn in. My set had burn in after 24 months of use. We never played games, used screen saver, played a lot of different channels, etc. The cable TV user guide burned in. I also got some strange green golf ball sized spots in the lower right corner. Square Trade refused to cover burn in. They said LG itself refused to cover burn in, no matter how the TV was used. I talked to Best Buy. Their salesman told me burn in was covered under the Best Buy extended warranty. That is where I will buy my next OLED TV. I have to have it because of the 180 degree viewing angle. I will try a Sony OLED. I know LG makes the screens.

What refresh rate can cx do at 1080p, 1440p, and 4k when connected to a pc?

The LG CX 55 inch Class 4K Smart OLED TV w/ AI ThinQ® (54.6'' Diag), Model # OLED55CXPUA will support 1920 x 1080 @ 120Hz, 2560 x 1440 @ 120Hz when HDMI ULTRA HD Deep Color is set to On, and 3840 x 2160 @ 60Hz when connected to a PC...^IFV

Lg Oled Cx Series 65 Alexa Built In 4k Smart

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Description

🔥 Elevate your living room with OLED brilliance and AI-powered perfection!

AI POWERED 4 K PROCESSOR - α9 Gen 3 AI Processor optimizes picture and sound automatically—effortless brilliance every time.
SEAMLESS SMART STREAMING - webOS with Magic Remote offers lightning-fast access and intuitive voice/motion control for your favorite apps.
DOLBY CINEMA WI SA READY - Immersive audio with Dolby Vision IQ and wireless surround sound compatibility for a theater-grade setup.
NEXT LEVEL GAMING PERFORMANCE - 120Hz refresh rate plus NVIDIA G-SYNC & FreeSync reduce lag and deliver ultra-smooth gameplay.
PERFECT BLACKS INFINITE CONTRAST - Self-lit OLED pixels deliver unmatched picture depth and vibrant colors for a cinematic experience.

The LG OLED CX Series 65” Smart TV features a stunning 4K OLED display with self-emissive pixels for perfect blacks and vibrant colors. Powered by the α9 Gen 3 AI Processor, it delivers intelligent picture and sound enhancements. With a 120Hz refresh rate and advanced gaming tech like NVIDIA G-SYNC and FreeSync, it’s built for immersive, lag-free gaming. The TV runs on LG’s intuitive webOS platform with Magic Remote voice and motion control, supports Dolby Cinema audio, and is WiSA ready for wireless surround sound. Ideal for professionals seeking a premium, future-proof entertainment centerpiece.

Specifications

ASIN	B0817H41YN
Additional Features	OLED Display
Analog Audio Output Count	1
Antenna Location	Home Viewing
Aspect Ratio	16:9
Audio Input	HDMI, Optical
Audio Output Mode	Digital
Best Sellers Rank	#600,825 in Electronics ( See Top 100 in Electronics ) #278 in OLED TVs
Bluetooth Version	5
Brand	LG
Built-In Media	Power Cable, Remote Control, Stand
Color	65\
Compatible Devices	Laptops, Smart Speaker, Smart Watch, Tablets, Television, Car Audio Systems, Gaming Consoles, Cellphones
Connectivity Technology	Bluetooth, Ethernet, HDMI, USB, Wireless
Connector Type	HDMI, USB
Contrast Ratio	High
Control Method	Voice
Controller Type	amazon_alexa, vera
Customer Reviews	4.7 4.7 out of 5 stars (4,927)
Display Backlight Technology	Self-Luminous
Display Refresh Rate in Hertz	120
Display Size Class	65 Inches
Display Technology	OLED
HDR Format Supported	HDR10, Dolby Vision, HLG
Hardware Interface	Bluetooth 5, Composite Video, HDMI, Radio Frequency, USB 2.0
Integrated Surround Sound Format	QAM
Internet Applications	Google TV, Hulu, Netflix, Prime Video, Vudu
Item Dimensions D x W x H	9.9"D x 57"W x 33.9"H
Item Type Name	Television
Item Weight	71.9 Pounds
Item Weight Without Stand	71.9 Pounds
Line Voltage	110 VAC 60 Hz
Manufacturer	LG
Maximum Display Brightness	1000 Nit
Mfr Part Number	OLED65CXPUA
Model Name	CXPUA
Model Number	OLED65CXPUA
Model Series	C-series
Model Year	2020
Motion Enhancement Technology	OLED Motion Pro
Mounting Type	Can be wall mounted
Number of Audio Channels	2.2
Number of Batteries	2 AAA batteries required.
Number of Component Inputs	4
Number of Component Outputs	4
Operating System	LG ThinQ AI, webOS
Parental Control Technology	Built-in device controls
Picture Quality Enhancement Technology	AI Picture Pro, Dolby Vision IQ, HDR Dynamic Tone Mapping Pro, Cinema HDR, AI 4K Upscaler
Power Consumption	0.49 Watts
Refresh Rate	120 Hz
Remote Control Technology	Bluetooth
Remote Required Battery Quantity	2
Remote Required Battery Size	AAA
Resolution	4K
Response Time	1 Milliseconds
Screen Finish	flat
Screen Mirroring Technology	Apple AirPlay
Screen Size	65 Inches
Signal Format	ATSC, Clear QAM, HDMI, USB
Size	65 Inch
Smart Home Compatibility	Not Smart Home Compatible
Speaker Description	2.2 Channel speaker system with 40W (20W Woofer) output power and AC 120V, 50/60Hz power supply.
Speaker Maximum Output Power	20 Watts
Specific Uses For Product	[TENTATIVE] Home viewing, gaming, sports, art appreciation
Total Audio Out Ports	2
Total Number of HDMI Ports	4
Total USB 2.0 Ports	3
Total Usb Ports	3
Tuner Type	ATSC
UPC	719192637092
Unit Count	1.0 Count
VESA Mount Standard	300 x 200 mm
Video Encoding	H.264, H.265 (HEVC), VP9, AV1
Warranty Description	1 Year Parts & Labor
Warranty Type	full warranty
Wattage	20 watts
Wireless Technology	Bluetooth, Wi-Fi

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LG OLED CX Series 65” Alexa Built-in 4k Smart TV (3840 x 2160), 120Hz Refresh Rate, AI-Powered 4K, Dolby Cinema, WiSA Ready (OLED65CXPUA, 2020)

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