OLED77CX9LA from LG : Test and analysis

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LG OLED77CX9LA

OLED77CX9LA from LG – Presentation of this Ultra HD 4K

Today we are going to analyse the LG OLED77CX9LA, a mid-range television from LG. An review to check the capacities of this model.
Regarding technology, we are facing a model with a Ultra HD 4K resolution.  Even if it is in a mid-range position, it offers interesting specifications, partly justifying its price.
Has the LG succeeded in the challenge of an efficient television set. This is what we are going to see just after .

OLED77CX9LA from LG – Design

The LG OLED77CX9LA with its simple design is an interesting alternative for anyone who wants an elegant television set in the mid-range segment.
A good overall score for this TV; it corresponds to design in the spirit of the times. A quality of materials and a visual aspect that does not make you insensitive.
In short, the LG has really succeeded the design aspect of this TV, which does not go unnoticed no matter where it is installed. If when turned off it has such an effect, the sensations take on a whole new dimension when the screen of the LG OLED77CX9LA is revealed.

TV screen presentation LG OLED77CX9LA

The LG has a correct and well-calibrated image quality, but you have to do with a limited native contrast that is suitable for daytime viewing; forget about home theater programs in the dark.

With regard to the display, the company proposes a Ultra HD 4K resolution. Beyond its size, we are still in front of a beautiful quality screen.
Designed with a frequency of 40 Hz, this television is therefore less well placed than its competitors. Shifted image and lack of precision make this model a low end of the range.
In addition, LG has decided to use its mastery of advanced technology on this device, which allows it to benefit from a high quality Ultra HD 4K image resolution.
Thus, the LG OLED77CX9LA allows you to watch everyday movies and videos without necessarily wanting it to be a home theater level. It’s a decent mid-range.

The sound of the LG OLED77CX9LA

The sound quality is correct but nothing more. The typical low-medium and mid-range sounds are far from what the competition offers. The sound of the OLED77CX9LA still has the advantage of not being saturated. In any case, the installation as presented ex-factory is just sufficient for this television set
In terms of sound equipment, the TV is equipped with several loudspeakers for a sound power of 10 W.

The sound quality of this TV is average. Don’t push the volume too hard, you’d be disappointed.

OLED77CX9LA from LG – Embedded intelligence

It has almost become a habit for LG, this OLED77CX9LA has its operating system webOS 5; You will have plenty of time to discover the world of entertainment.
This TV offers you the choice of connectivity: Whether through its Wifi function, or through the local network with other devices or computer devices (fixed or mobile computers, NAS synology for example), your TV OLED77CX9LA is communicating.

The connection system of the LG OLED77CX9LA

As for the connectivity aspect on LG OLED77CX9LA, it provides you with sufficient elements.
In this price range, this TV offers a higher number of connections than most of its competitors.

This model has a total of 11 connections, not too bad. Almost all the devices in your home can be connected: the box, the game console, a multimedia server, and many other devices, in addition to your DVD or Blu-ray player.

In the end, this TV provides you with the following features:
3 USB ports, 3 HDMI ports, 1 audio output, 4 antenna inputs

OLED77CX9LA from LG – Technical characteristics

Here is a summary chart of the technical features of the TV:

Characteristic Value
Ratio 16/9
Sizes of the television without stand 56
Screen size in inches 76.7
Screen resolution Ultra HD 4K
Display frequency 40
Sound power 10
Wifi Yes
Tuners available DVB-T DVB-T2 DVB-S DVB-S2 DVB-C 
Number of tuners 5
Number of USB ports 3
Number of HDMI ports 3
Number of audio outputs 1
HDR Compatible Yes
HDR Dolby Vision Compatible Yes
VESA compatibility Yes
PVR Available Yes
Bluetooth Yes
Ethernet Yes

Our conclusion on the LG OLED77CX9LA

In conclusion, the LG OLED77CX9LA is a mid-range television set of good quality. Average in most areas, it is nevertheless a wise choice for consumers who want to have a well-made product.
This 4K TV can also boast near-perfect picture quality, as well as clear, aesthetic and powerful sound reproduction.

In short, many positive points that make this TV a very good product. The following 3 points should be remembered:
the display frequency, the sound power, the depth of the colours.

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