
P3.91 Indoor LED Module
- Pixel Pitch: 3.91mm
- Module Size: 250*250mm
- RGB Full color for stage use
- Module Resolution: 64*64
- Lamp brand: Nationstar/Kinglight
- Control System: Novastar
- Refresh rate: 3840hz
- 2 Years Warranty
The P3.91 LED module is a stage LED display module with a pixel pitch of 3.91 mm, suitable for high-definition display needs at medium and long distances.
Its core components include LED chips, modules, control cards, power supplies, etc. to ensure high-quality display effects.
Common applications include stage performances, exhibitions, advertising screens, and sports events. The P3.91 LED module provides clear and delicate images, suitable for a wide range of audiences.



P3.91 LED Module Type
According to the different environments in which they are used, P3.91 LED modules can be divided into two categories: indoor and outdoor. The differences between them are brightness, protection level of the shell and the environment they are suitable for.
Indoor LED module
Commonly used in conference rooms, exhibitions, stage backgrounds and other occasions. The display effect is very delicate and the colors are also rich.
Outdoor LED Module
Key Features

High-quality SMD
Using high quality SMD led lamp bead, no damge lamp, uniform current, same brightness, higher gray level

Wide viewing angle

Modular design:

High Refresh Rate
Carefully selected LED drivers s allow P2.5 LED panel to deliver high refresh rates up to 3840Hz, resulting in flicker-free operation in module applications.
Note:
♦ If you only need to buy a P3.91 LED display module to build a screen, you need to inform the supplier of the screen size, installation location, installation method, etc.
Because the installation and splicing of the module will be slightly more complicated than the LED screen with a cabinet.
♦ If you are replacing an old module, you need to inform the supplier of the pictures and details of the original cabinet and module.
Because the modules of the rental screen are divided into left and right (the position of the tooth holes is different), so as to confirm whether the new module can match the rental.
Accessories
Power Cable
Receiver card
P3.91 LED Module Specifications
Product Model | P3.91mm-Outdoor-250-250 |
Pixel Pitch | 3.91mm |
LED Configuration | SMD1921 |
LED Density (dot/㎡) | 65,536 |
Module Size | 250*250mm |
Module Resoultuion | 64*64 |
Module Brightness (Nits) | 4000-5000 |
Driving Way | 1/16 Scan |
Optical Ratings | |||||||
Brightness | ≥1000cd/㎡ | ||||||
View Angle | 140 degree ( horizontal) 140degree(vertical) | ||||||
View Distance | 3m-25m | ||||||
Gray Scale | 8bits input, correction with 16bits | ||||||
Display Color | 16.7M | ||||||
Brightness Adjustment | 100 levels |
Operation Power | AC100-240V 50-60HZ Switch-able | ||||||
Maxim Power Consumption | 700 W/m2 | ||||||
Average Power Consumption | 300 W/m2 |
Correction Scale Level | 16bits | ||||||
Frame Update Frequency | 60Hz | ||||||
Screen Refresh Frequency | 480-960Hz | ||||||
Gamma Correction | -5.0—5.0 | ||||||
Support Input | Composite Video, S-Video, DVI, HDMI., SDI, HD_SDI | ||||||
Control Distance | Ethernet cable 100m, optical fiber 5km | ||||||
Support VGA Mode | 800×600,1024×768,1280×1024,1600×1200 | ||||||
Color Temperature | 5000-9300 adjustable | ||||||
Brightness Correction | dot by dot, module by module, cabinet by cabinet |
Operating Temp. | -20-60 Celsius degree | ||||||
Operating Humidity | 10-95% RH | ||||||
Operating Life | 100,000 hours | ||||||
MTBF | 5000 hours | ||||||
Continuous Working Time | ≥48 hours | ||||||
Protection Level | IP40 | ||||||
Out of Control Pixel Rate | 0.01% |
Image Gallery
P3.91 LED Module Details




P3.91 LED Module Aging Test
All P3.91 LED display modules will undergo a 48-72 hour aging test after production. To detect whether the LED lamp beads have color cast and damage.
The aging test can detect the stability, brightness, color temperature and other performance of the LED module to ensure the long-term stable operation of the product and reduce the occurrence of failures.
Aging tests will be carried out before shipment, and waterproof tests will be carried out for outdoor P3.91 module displays to ensure that both the LED module and the screen have good performance.


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P3.91 LED Module
P3.91 Indoor LED Module Pixel Pitch: 3.91mm Module Size: 250*250mm RGB Full color for stage use Module Resolution: 64*64 Lamp
Installation and maintenance of P3.91 LED modules
Modular installation design
The P3.91 LED module adopts a modular design, which is convenient and flexible to build and expand. Each module can be installed independently.
According to actual needs, multiple modules can form LED displays of different sizes and shapes.
During installation, the modules are quickly connected through standard interfaces, which simplifies the installation steps and improves work efficiency.
Bracket and wall installation
Bracket installation:
suitable for occasions that require frequent disassembly and installation, such as stages, exhibitions, etc. The bracket installation structure of the P3.91 module is very stable and can withstand a certain load to ensure that the display does not tilt or collapse.
Wall installation:
suitable for occasions that require long-term fixed installation, such as shopping malls, conference rooms, etc. Wall installation can maximize space saving and make the display effect more compact and neat.


Module replacement and repair
The design of the P3.91 LED module allows the faulty module to be easily disassembled and replaced.
In the event of a single module failure, the problematic module can be quickly located and replaced. Users can replace it with simple operations, reducing equipment downtime.
P3.91 LED Display module application
Stage performances and concerts
P3.91 LED modules are widely used in stage background display, visual effect enhancement and real-time live screen display of stage performances and concerts.
It can accurately show the interactive effects of sound, lighting and video, and enhance the overall atmosphere of the scene.
Whether it is dynamic images or static advertisements, they can present a strong visual impact in the audience’s field of vision.



Exhibitions and trade shows
In various exhibitions and trade shows, P3.91 LED modules are used for brand display, product introduction and interactive experience areas that play high-definition videos and dynamic images to attract the attention of exhibitors.
The modular design makes the screen installation flexible and can adjust the display size and layout according to the actual needs of the booth.
Sports events
P3.91 LED modules are mainly used in gymnasiums to display real-time scores and game data, and also play advertisements and live content.
The module’s high-definition display allows viewers far away to clearly see scores, statistics and advertisements, driving the atmosphere and sense of interaction on site.


Transportation and public information display
In transportation hubs such as stations, subway stations and airports, the P3.91 LED module displays real-time traffic information, signs and advertising content.
The module’s high contrast and bright colors ensure that information can be clearly seen even in noisy places. Especially if it is a fixed indoor screen, using this module can significantly reduce costs.
Commercial retail and shopping malls
In shopping malls and retail stores, P3.91 LED modules are often used for window displays, brand advertising and interactive screens.
This display can dynamically display content to attract customers to stop.
With customized content and ultra-high brightness, merchants can enhance the appeal of their brands in a fierce market, thereby stimulating customers’ willingness to buy.

P3.91 LED Module Price
The price of P3.91 LED module is affected by many factors. Here are some of the main price influencing factors:
Pixel pitch and resolution:
The pixel pitch of P3.91 LED module is 3.91 mm, which is a medium-pitch LED module that can provide high resolution and clear display effects at a close distance.
The smaller the pixel pitch, the higher the price may be. Therefore, in general, the price of P3.91 is lower than P2.5 and P2.9, and higher than P4.81.
For most indoor and outdoor stage scenes, P3.91 is a cost-effective choice.
Supply and order quantity
The price of P3.91 LED module is closely related to the supply.
Generally, customers who purchase in large quantities can enjoy lower unit prices, while small-volume purchases may face relatively high prices.
Therefore, bulk purchases can usually get more favorable prices.
Market price range
The market price range of P3.91 indoor LED modules is usually between $200 and $400 per square meter.
P3.91 outdoor LED modules is usually between $300 and $500 per square meterdepending on the supplier, price discounts for bulk purchases, and other relevant factors.
Procurement recommendations
When choosing P3.91 LED modules, it is recommended to choose LED module suppliers with high cost performance and perfect after-sales service to ensure product quality and long-term use guarantee.
In addition, the aging test of the module should also be considered to ensure stable operation in actual applications.
Choosing suppliers with brand reputation and professional technical support can effectively reduce maintenance costs and unnecessary repair troubles caused by quality problems.