The NovaStar CX40 Pro COEX 4K LED display controller combines HDMI, DisplayPort and 12G-SDI inputs with six 5 Gbps LED outputs. Its listed maximum device capacity is 9 million pixels. VMP software and the local touch interface provide control for screen configuration and image processing.
CX40 Pro specifications
| Item | Specification |
|---|---|
| HDMI inputs | 2 × HDMI 2.0, with loop outputs |
| DisplayPort input | 1 × DP 1.2 |
| SDI inputs | 2 × 12G-SDI, with loop outputs |
| Video input bit depth | 8-bit / 10-bit / 12-bit, within supported signal-format limits |
| LED outputs / capacity | 6 × 5 Gbps Ethernet; maximum device load 9 million pixels |
| Optical output | 1 × 40 Gbps |
| Digital audio connector | 1 × SPDIF; marked reserved in the linked V1.0.0 specification |
| Control connections | 2 × Ethernet control; 1 × AUX |
| Genlock | 1 input with loop output |
| Layers | Up to 3 independent 4K layers; adjustable Z order |
| Scaling modes | Custom, pixel-to-pixel and snap to canvas |
| Color tools | Color Replacement, 14Ch Color Correction and RGBW curves |
Layer processing and color adjustment
Use layer priority to arrange the three independent layers in the desired order. The linked specification makes layers and scaling available in All-In-One Controller mode. Select the working mode to match the processing required by the project.
Color Replacement targets a selected image color; the original description recommends highly saturated colors for this operation. The 14-channel correction tool adjusts hue, saturation and brightness for black, white and twelve derived standard colors. RGBW mapping curves provide further tonal adjustment.
Loading and connector checks
The 9-million-pixel figure is the device maximum. Do not multiply individual output-port maxima to claim a higher device load. Input bit depth, refresh rate and receiving-card features must fit the corresponding limits.
Although the original feature list includes SPDIF, the connector table in the linked V1.0.0 document labels it reserved. Confirm support in the supplied hardware and firmware before planning digital audio through that connector.
Product image

Downloads
CX40 Pro specifications V1.0.0
CX40 Pro FAQ
How many pixels can CX40 Pro control?
The stated device maximum is 9 million pixels. The configured screen must also meet port, bit-depth and refresh-rate requirements.
How many 4K layers are supported?
Up to three independent 4K layers, with adjustable Z order, are listed. Layers and scaling are available in All-In-One Controller mode.
Does CX40 Pro have HDMI and SDI loop outputs?
Yes. Both HDMI 2.0 inputs and both 12G-SDI inputs have loop-through connections.
Can I rely on the SPDIF connector for audio?
The linked V1.0.0 specification marks it reserved. Verify the supplied version before using it in an audio design.
What does 14Ch Color Correction adjust?
It adjusts hue, saturation and brightness for black, white and twelve derived standard colors. RGBW curves and Color Replacement are separate listed tools.


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