As a new generation of professional LED controller, NovaStar VX400, with its multi-signal input support, high-resolution output and outstanding stability, has become an ideal choice for stage performances, conference displays and commercial advertisements.
This article will comprehensively analyze everything about this controller from aspects such as functional features, technical specifications, and application scenarios, providing you with an authoritative reference guide.
1. What is NovaStar VX400?
NovaStar VX400 is a professional-grade LED display controller launched by Novastar, specifically designed for small and medium-sized LED Video Wall applications. It integrates the dual functions of video processing and transmission control. Users can achieve multi-signal input, image stitching and high-definition output without additional configuration of a video processor.

The VX400 supports multiple interfaces such as HDMI and DVI, capable of handling signals with a maximum resolution of 2K. It also features ultra-low latency and high refresh rate output, ensuring smooth images and true-to-life colors.
With outstanding compatibility and stability, the VX400 offers users an integrated solution and is an indispensable choice for those pursuing high-quality and high-efficiency applications.
2. Key Features of NovaStar VX400
① Multi-signal input and wide compatibility
The VX400 supports multiple input interfaces such as HDMI and DVI, allowing for easy connection to various signal sources. It can support up to 2K resolution, ensuring clear images and strong compatibility.
② Integrated video processing and output
Integrating high-performance video processing and transmission control, users can achieve picture splicing, adjustment and high-definition output without additional video processor configuration.

③ High refresh rate and low latency
It features ultra-low latency and high refresh rate output, with smooth and natural pictures and precise color reproduction, meeting the needs of professional scenarios such as stage performances and exhibitions.
④ Stability and reliability
Adopting high-quality components and optimized design, the equipment ensures stability during long-term operation and is suitable for various indoor and outdoor LED display environments.
⑤ Easy to operate and highly efficient in deployment
The humanized operation interface combined with convenient software configuration makes installation and debugging fast and efficient, helping users complete the construction of LED display systems efficiently.
3. Technical Specifications
3.1 Video Inputs
- Multi-interface support: HDMI, DVI, DP and other commonly used interfaces, compatible with computers, media players and other video devices.
- High-resolution processing: Supports up to 2K signal input, ensuring clear images and rich details.
- Multi-signal management: Supports multi-signal switching and automatic recognition functions, eliminating the need for frequent manual adjustments.

3.2 Video Outputs
- Multi-channel synchronous display: Supports simultaneous output from multiple LED screens with high picture consistency.
- High refresh rate and low latency: Ensure smooth video playback, true colors, and visual detail restoration.
- Multi-screen splicing and expansion: It can achieve splicing output and multi-screen expansion.
3.3 General Specifications
- Power supply requirements: AC 100-240V, ensuring stable power supply and adapting to various usage environments.
- Working environment: Operating temperature -20℃ to 60℃, humidity 10% to 90%, suitable for various indoor and outdoor scenarios.
- Operation and Control: Compatible with NovaStar’s official software (NovaLCT, NovaStudio), it supports remote management and parameter adjustment.
- Reliability: Utilizing high-quality components and optimized design, it ensures long-term stable operation and reduces maintenance costs.
- Equipment dimensions: The body is approximately 483mm (width) × 302mm (depth) × 44mm (height), with a compact design for easy installation and transportation.
- The weight of the equipment: The overall weight of the machine is approximately 4 kilograms, which is convenient for single-person operation and mobile deployment.
| Category | Item | Details |
|---|---|---|
| Electrical Parameters | Power connector | 100-240V, 1.5A, 50/60Hz |
| Rated power consumption | 35 W | |
| Operating Environment | Temperature | 0°C to 45°C |
| Humidity | 20% RH to 90% RH, non-condensing | |
| Storage Environment | Temperature | −20°C to +70°C |
| Humidity | 10% RH to 95% RH, non-condensing | |
| Physical Specifications | Dimensions | 483.6 mm × 301.2 mm × 50.1 mm |
| Net weight | 4 kg | |
| Packing Information | Accessories | 1x Power cord 1x HDMI to DVI cable 1x USB cable 1x Ethernet cable 1x HDMI cable 1x Quick Start Guide 1x Certificate of Approval 1x Safety Manual |
| Packing size | 550.0 mm × 175.0 mm × 400.0 mm | |
| Gross weight | 6.8 kg | |
| Noise Level (typical at 25°C/77°F) | 45 dB (A) |
4. Common Applications of NovaStar VX400
① Stage performances and events
The VX400 can easily handle small and medium-sized stages, concerts, press conferences and other scenarios, achieving a stunning visual effect through multi-screen splicing and high-definition output.


② Exhibition Display and Exposition
In exhibitions, expos or exhibition halls, the VX400 supports multi-signal input and flexible screen splicing, presenting clear and detailed display content to the audience.
③ Corporate meetings and training
It can be used in enterprise meeting rooms, training centers or command and dispatch rooms, achieving multi-screen synchronous display and remote content management, and improving meeting efficiency.


④ Small and medium-sized outdoor LED screens
The VX400 is compatible with small-pitch and medium and small-sized outdoor LED screens, suitable for scenarios such as billboards and large outdoor screens for activities, ensuring high-quality image output.
⑤ Entertainment and leisure venues
It is suitable for entertainment environments such as bars, clubs and KTVS, providing stable and smooth display effects, enhancing interactive experiences and visual impact.

5. Novastar VX400 Price
When choosing the NovaStar VX400, price is also an important factor that users pay attention to. NovaStar VX400 belongs to the mid-to-high-end LED display controller. Its price is affected by the purchase quantity, sales channels and additional services .
- Reference price per unit: Generally around USD 1,000-1,500, with slight variations depending on different regions and suppliers.
- Bulk purchasing: Bulk purchases can enjoy discount benefits, which helps to reduce overall costs.
- Additional charges: Some channels may include transportation fees, customs duties or extended warranty services. Please confirm these clearly before purchasing.
Overall, the price of VX400 is competitive in the market. Meanwhile, with its high performance, multi-functionality and stability, it offers a good cost-performance ratio for small and medium-sized LED display applications.
6. How Do You Select the Right NovaStar VX400?
① Display screen type and scale: Select the appropriate model based on the size and pitch of the LED screen.
② Signal input and output: Confirm interfaces such as HDMI, DVI, and DP to ensure smooth multi-signal switching.
③ Refresh rate and latency: Low latency and high refresh rate ensure stable picture and true colors.
④ Budget and after-sales service: Select reliable suppliers with reasonable prices and provide technical support and maintenance.
7. Resource Download
NovaStar VX400 Specs:
NovaStar VX400 Manual:
NovaStar VX400 Software:
8. Conclusion
In conclusion, NovaStar VX400, as a powerful LED display controller, perfectly meets the application requirements of small and medium-sized LED screens, stage performances, exhibitions and displays, etc., with its multi-signal compatibility, high refresh rate, low latency and stable and reliable performance.
If you are looking for an efficient, stable and easy-to-operate LED control solution, contact us immediately to obtain a detailed plan or experience a demonstration.