NovaStar MSD300 / MCTRL300 LED Display Sending Card — M3 Series 1.3 Million Pixel DVI Controllers & Standalone Sending Box with Dual Ethernet & Audio

The NovaStar M3 series LED display sending card & controller box is available in two configurations — the LED display sending card / box (bare card for integration into sending boxes) and the MCTRL300 standalone sending box (independent controller with built-in power supply and metal housing). Both deliver identical 1.3 million pixel loading capacity, DVI video input, dual Gigabit Ethernet output with hot backup, audio transmission, and USB cascading control for professional GOB LED display systems. Supports resolutions: 1280×1024@60Hz, 1024×1200@60Hz, 1600×848@60Hz, 1920×712@60Hz, 2048×668@60Hz. Certified CE/RoHS/EAC/FCC/IC.

NovaStar MSD300 / MCTRL300 LED Display Sending Card

M3 Series 1.3 Million Pixel DVI Controllers & Standalone Sending Box with Dual Ethernet & Audio NovaStar MSD300 / MCTRL300 LED Display Sending BOX

What Is the NovaStar M3 Series LED display sending card / box?

The NovaStar M3 series represents NovaStar’s foundational line of professional LED display control systems, designed for reliable, cost-effective signal distribution in rental LED displays, fixed installation LED displays, and commercial advertising screens worldwide. The series is offered in two form factors to match different installation requirements: the MSD300 LED display sending card — a compact bare card designed for integration into third-party sending boxes or custom LED cabinet designs — and the MCTRL300 sending box — a fully independent controller housed in a rugged metal enclosure with built-in AC power supply, ready for immediate deployment without additional hardware.

Both models share identical core processing capabilities, delivering 1.3 million pixel loading capacity distributed across dual Gigabit Ethernet output ports (650,000 pixels per port), DVI video input, 3.5mm audio input, USB Type-B control, and UART cascading for multi-unit synchronization. Developed by NovaStar, the world’s leading LED display control manufacturer, the M3 series LED display sending card / box has become one of the best-selling controller platforms globally, trusted by thousands of installations across 90+ countries for applications ranging from concert stages to corporate boardrooms.

MSD300 LED display sending card vs MCTRL300 controller box — Choose the Right Form Factor for Your Project

Specification	MSD300 LED display sending card	MCTRL300 LED display sending box
Form Factor	Bare sending card (PCB board only)	Standalone controller with metal housing
Power Supply	DC 3.3V – 5.5V (requires external power)	AC 100V-240V~50/60Hz built-in (independent power supply)
Dimensions	130.1 mm × 99.7 mm × 14.0 mm	204.0 mm × 160.0 mm × 48.0 mm
Net Weight	104.3 g	1.04 kg
Installation	Installs into sending box or LED cabinet	Plug-and-play standalone unit
Ideal For	OEM integration, custom cabinet designs, existing sending box upgrades	Rental events, quick deployment, field operations, standalone setups
Price	$260.00 (was $300.00)	$380.00 (was $500.00)
Stock	500 units in stock	100 units in stock

Which one should you choose? Select the MSD300 LED display sending card if you are building custom LED control systems, integrating into existing sending boxes, or manufacturing LED display cabinets with built-in control modules. Choose the MCTRL300 LED display control box if you need a ready-to-use, standalone controller for rental LED displays, live events, or installations where rapid deployment and independent operation are priorities. Both deliver identical video processing performance, resolution support, and control capabilities.

NovaStar MSD300 / MCTRL300 LED Display Sending Card — M3 Series 1.3 Million Pixel DVI Controllers & Standalone Sending Box with Dual Ethernet & Audio

LED display sending card / Box – 1.3 Million Pixel Loading Capacity — Power Meets Precision

At the heart of both the MSD300 LED display sending card and MCTRL300 LED display sending box is their impressive 1.3 million pixel loading capacity, distributed across two independent Gigabit Ethernet output ports with 650,000 pixels per port. This substantial processing power enables the M3 series LED display sending card & Controller box to drive a wide range of display configurations without compromising image quality or refresh rate stability. Both models natively support multiple standard resolutions optimized for different aspect ratios and application scenarios:

1280×1024@60Hz — Ideal for indoor LED displays and meeting room video walls with 5:4 aspect ratio
1024×1200@60Hz — Perfect for portrait-oriented digital signage and LED poster displays
1600×848@60Hz — Optimized for wide cinematic stage LED screens and broadcast monitors
1920×712@60Hz — Ultra-wide format for stadium perimeter displays and highway LED billboards
2048×668@60Hz — Maximum width configuration for panoramic LED video walls

Beyond these preset resolutions, both models also support custom resolution configurations with a maximum width of 3840 pixels (3840×600@60Hz) or maximum height of 3840 pixels (548×3840@60Hz), providing exceptional flexibility for non-standard display designs and creative LED installations. Both models accept progressive scan signals only — interlaced signals are not supported — ensuring clean, flicker-free output for professional applications.

Dual Ethernet Output with Hot Backup — Zero-Downtime Reliability

A standout feature of the M3 series LED display sending card / Control box is its dual Gigabit Ethernet output architecture with built-in hot backup redundancy. Each RJ45 port can independently drive up to 650,000 pixels, and in the event of a cable failure or port malfunction, the system automatically switches to the backup path without interrupting the display. This failover capability is essential for mission-critical applications such as security monitoring centers, live event LED walls, and broadcast studios where even a momentary signal loss is unacceptable.

The dual-port design also enables expanded signal distribution for larger LED video walls. By connecting each port to a separate chain of MRV series receiving cards, the M3 series can effectively double the horizontal span of the display without requiring additional sending hardware. This scalability makes both the MSD300 LED display sending card and MCTRL300 controller box cost-effective solutions for growing fixed installation LED displays that may need to expand over time.

Integrated Audio Transmission — Synchronized Sound & Vision

Unlike many basic LED controllers that handle video only, both the MSD300 LED display sending card and MCTRL300 LED display sending box feature a dedicated 3.5mm audio input jack that enables synchronized audio transmission alongside video signals. The audio data is embedded into the Ethernet output stream and can be extracted at the receiving card level for playback through external amplifiers or powered speakers. This integrated audio capability eliminates the need for separate audio distribution systems, simplifying installation and reducing cable clutter in conference room LED displays, retail advertising screens, and entertainment venues.

USB Control & UART Cascading — Scalable Multi-Display Management

Both models communicate with the host PC via a Type-B USB port, providing a stable, high-speed control channel for configuration, firmware updates, and real-time monitoring through NovaStar’s NovaLCT software. For larger installations requiring multiple controllers, both the MSD300 LED display sending card and MCTRL300 sending box support cascading of up to 20 units through their dual UART ports (IN and OUT), enabling unified control of complex LED video wall arrays from a single computer without additional control hardware.

This cascading architecture is particularly valuable for rental LED display companies managing multi-screen setups at concerts, trade shows, and corporate events, where rapid configuration and synchronized playback across dozens of display cabinets are essential. Each cascaded unit can be individually addressed and configured, allowing technicians to customize resolution, brightness, and color settings for different zones of the display while maintaining overall system coherence.

Pixel-Level Calibration Technology — Perfect Color Uniformity

Working in conjunction with NovaLCT and NovaCLB calibration software, both the MSD300 LED display sending card and MCTRL300 sending box support next-generation pixel-level brightness and chroma calibration. This advanced process measures the light output of each individual LED pixel across the entire display, then generates correction coefficients that eliminate brightness variations and color shifts between adjacent modules. The result is a perfectly uniform image with consistent brightness and chromaticity from edge to edge — critical for high-end fine pitch LED displays, GOB LED screens, and broadcast-quality video walls where viewers are positioned close to the display surface.

Ambient Light Sensor Integration — Intelligent Brightness Control

Both models of LED display sending card & Control box include a dedicated light sensor connector that enables integration with external ambient light sensors (such as the NovaStar NS060). When connected, the system automatically adjusts display brightness based on real-time environmental lighting conditions — increasing output in bright daylight for outdoor LED billboards and reducing intensity in dimly lit indoor venues. This intelligent brightness management not only improves viewer comfort and visibility but also significantly extends LED module lifespan and reduces power consumption, delivering long-term operational cost savings.

NovaStar MSD300 / MCTRL300 LED Display Sending Card — M3 Series 1.3 Million Pixel DVI Controllers & Standalone Sending Box with Dual Ethernet & Audio

M3 Series vs MCTRL600 — Choose the Right Controller for Your Project

Specification	MSD300 / MCTRL300 (M3 Series)	MCTRL600
Pixel Loading Capacity	1.3 million pixels	2.3 million pixels
Video Input	1 × SL-DVI	1 × SL-DVI + 1 × HDMI 1.3
Ethernet Outputs	2 × Gigabit RJ45	4 × Gigabit RJ45
Audio Input	1 × 3.5mm audio jack	1 × HDMI/external audio
Max Resolution	1920×1200@60Hz	1920×1200@60Hz
Cascading Capacity	Up to 20 units	Up to 20 units
Gray Scale Processing	8-bit	12-bit/10-bit/8-bit
Video Formats	RGB	RGB, YCrCb4:2:2, YCrCb4:4:4
Ideal For	Small to medium LED displays, rental events, retail signage, budget-conscious projects	Large video walls, high-end broadcast, multi-screen synchronization, 4K applications
Price Point	Cost-effective ($260-$380)	Premium performance ($800+)

For most rental LED display and fixed installation projects, the MSD300 LED display sending card / MCTRL300 sending box strikes the perfect balance between performance and affordability. The MCTRL600 is recommended only for ultra-large displays exceeding 1.3 million pixels or applications requiring HDMI input and 12-bit color depth processing.

Complete Interface Configuration

Video Input	1 × SL-DVI (supports up to 1920×1200@60Hz, custom max 3840×600)
Audio Input	1 × 3.5mm stereo audio jack
Ethernet Output	2 × RJ45 Gigabit Ethernet (650,000 pixels per port, redundancy supported)
Control Port	1 × Type-B USB (PC communication & firmware updates)
Cascade Ports	2 × UART (IN/OUT, supports up to 20-unit cascading)
Sensor Port	1 × Light sensor connector (ambient brightness auto-adjustment)
MSD300 Input Voltage	DC 3.3V – 5.5V
MCTRL300 Input Voltage	AC 100V-240V~50/60Hz (built-in power supply)
Power Consumption	3W (rated), 2.5W (typical)
MSD300 Dimensions	130.1 mm × 99.7 mm × 14.0 mm
MCTRL300 Dimensions	204.0 mm × 160.0 mm × 48.0 mm
MSD300 Net Weight	104.3 g
MCTRL300 Net Weight	1.04 kg
Operating Temperature	-20°C to +60°C (MCTRL300) / -20°C to +75°C (MSD300)
Operating Humidity	10% RH – 90% RH (non-condensing)
Certifications	CE, RoHS, EAC, FCC, IC, PFOS, CB, EMC

Application Scenarios — Where M3 Series LED display sending card / box controllers Excel

Concert & Live Event LED Walls — Dual Ethernet hot backup ensures uninterrupted performance during high-stakes performances; MCTRL300’s standalone design enables rapid field deployment
Security Monitoring Centers — 24/7 reliability with automatic failover; pixel-level calibration ensures color accuracy for surveillance video analysis
Sports Stadium & Arena Displays — Wide temperature tolerance handles outdoor exposure; light sensor integration auto-adjusts for day/night visibility
Retail & Shopping Mall Advertising — Cost-effective 1.3M pixel capacity perfect for medium-sized indoor LED billboards; audio transmission enables synchronized promotional content
Corporate Conference Rooms — MSD300’s compact size fits standard LED cabinet designs; DVI input compatible with all major presentation systems and video conferencing hardware
Broadcast Studios & TV Stations — Progressive scan output ensures flicker-free capture on professional cameras; calibration technology delivers broadcast-grade color uniformity
Exhibition & Trade Show Booths — MCTRL300’s plug-and-play design enables rapid deployment; cascading supports expandable booth designs from single-screen to multi-panel video walls
Transportation Hubs & Wayfinding — Reliable signal distribution for airport, train station, and metro platform digital signage networks
OEM LED Display Manufacturing — MSD300 bare card form factor ideal for integration into custom LED cabinet designs and third-party sending boxes

Why Choose GOB LED Display Sending Card /Box – NovaStar M3 Series Controllers

Two Form Factors, One Performance — Choose MSD300 for OEM integration or MCTRL300 for standalone deployment; identical processing power in both
Proven Global Reliability — One of the best-selling LED display controllers worldwide, trusted by thousands of installations across 90+ countries
1.3 Million Pixel Power — Sufficient capacity for most commercial, rental, and corporate LED display applications
Dual Ethernet Redundancy — Hot backup failover ensures zero signal interruption for mission-critical displays
Integrated Audio Channel — Synchronized sound and video transmission eliminates separate audio infrastructure
20-Unit Cascading — Scalable from single-screen to massive video wall arrays without additional control hardware
Pixel-Level Calibration — NovaStar’s advanced calibration technology delivers perfect brightness and color uniformity
Intelligent Brightness Control — Light sensor integration auto-adjusts display output for optimal visibility and energy efficiency
Wide Environmental Tolerance — Operates reliably from -20°C to +75°C, suitable for indoor and outdoor deployments
Ultra-Low Power Consumption — Only 3W rated power reduces heat generation and operational costs
Full International Certification — CE, RoHS, EAC, FCC, IC, PFOS, CB, and EMC compliant for global deployment
Exceptional Value — MSD300 at $260 and MCTRL300 at $380 deliver professional-grade performance at unbeatable price points

Compatible Products — Build Your Complete NovaStar LED Control System

The MSD300 LED display sending card and MCTRL300 controller box work seamlessly with the following GOB LED Display control system components to create a complete, professional LED display solution:

MRV Series Receiving Cards — MRV328, MRV412, MRV336, MRV208 receiving cards with mapping, 3D support, and color calibration
MCTRL600 Sending Box — 4K video splicing processor with HDMI/DVI inputs for large-scale LED video walls
MCTRL 4K Processor — Ultra-HD LED display controller for demanding broadcast and stadium applications
MCTRL660 Pro Sending Box — Advanced LED displat sending card/box with enhanced processing for high-refresh-rate LED displays
NovaLCT Software — Professional LED display configuration, calibration, and monitoring platform

Packaging & Shipping

Shipping Terms	CFR By Sea / FOB By Air
MSD300 Packaging	Anti-static bag + foam cushioning + reinforced carton (335×190×62mm inner box / 400×365×355mm master carton)
MCTRL300 Packaging	Cardboard box: 280 mm × 210 mm × 120 mm with accessories
MSD300 Accessories	1 × Power Cord, 1 × USB Cable, 1 × DVI Cable
MCTRL300 Accessories	1 × Power Cord, 1 × USB Cable, 1 × DVI Cable, 1 × Cascading Cable (1 meter)
Minimum Order	1 unit (bulk discounts available for 50+ units)
Lead Time	MSD300: 500 units in stock — ships within 3-5 business days \| MCTRL300: 100 units in stock — ships within 3-5 business days
Warranty	2-year standard warranty on all M3 series controllers

Warranty & Guarantee of LED display sending card / LED display controller box

No-Risk Money Back Guarantee — 30-day return policy for unused products in original packaging
Hassle-Free Refund Policy — Full refund within warranty period for manufacturing defects
Secure Payment Processing — SSL-encrypted transactions via major credit cards, PayPal, and wire transfer
2-Year Standard Warranty — Covers controller hardware, firmware, and Ethernet ports
Lifetime Technical Support — Remote diagnostics, firmware updates, and email support from certified NovaStar engineers
Free Configuration Assistance — Our technical team provides remote setup guidance for first-time installations

Industry Resources & References

NovaStar Official Website — LED display control system manufacturer, software downloads, and technical documentation
LEDinside Market Research — Global LED industry trends, technology analysis, and market forecasts
Digital Signage Federation — Industry standards, best practices, and certification guidelines for digital displays
AVIXA (InfoComm International) — Global AV industry authority, CTS certification, and professional education resources
Digital Signage Expo (DSE) — LED display exhibition, product showcases, and industry education events

For more inquiry: led@soarapex.com

NovaStar MSD300 / MCTRL300 LED Display Sending Card — M3 Series 1.3 Million Pixel DVI Controllers & Standalone Sending Box with Dual Ethernet & Audio

What Is the NovaStar M3 Series LED display sending card / box?

MSD300 LED display sending card vs MCTRL300 controller box — Choose the Right Form Factor for Your Project

LED display sending card / Box – 1.3 Million Pixel Loading Capacity — Power Meets Precision

Dual Ethernet Output with Hot Backup — Zero-Downtime Reliability

Integrated Audio Transmission — Synchronized Sound & Vision

USB Control & UART Cascading — Scalable Multi-Display Management

Pixel-Level Calibration Technology — Perfect Color Uniformity

Ambient Light Sensor Integration — Intelligent Brightness Control

M3 Series vs MCTRL600 — Choose the Right Controller for Your Project

Complete Interface Configuration

Application Scenarios — Where M3 Series LED display sending card / box controllers Excel

Why Choose GOB LED Display Sending Card /Box – NovaStar M3 Series Controllers

Compatible Products — Build Your Complete NovaStar LED Control System

Packaging & Shipping

Warranty & Guarantee of LED display sending card / LED display controller box

Industry Resources & References

Related LED Control System Products

M3 Series 1.3 Million Pixel DVI Sending Card & Standalone Sending Box with Dual Ethernet & Audio

NovaStar MSD300 / MCTRL300 LED Display Sending Card — M3 Series 1.3 Million Pixel DVI Controllers & Standalone Sending Box with Dual Ethernet & Audio