Colorlight CS4K Pro Media Server for LED Video Playback
The Colorlight CS4K Pro is a 2U multimedia server with GrandShow software for arranging and playing content on LED displays. It supports two 4K videos, scene presets and screen splitting, with two Mini DisplayPort 1.4 playback outputs.
Playback and Show Control
Build scenes using video, images, PowerPoint files and text. Preview a program before playback, monitor the output, and switch between saved scenes. Freeze, background-image display, content rotation and color adjustment provide additional control over the presentation.
Screen splitting and recombination support layouts within the specified 8192 × 2160 resolution. HDR decoding, NDI capture and optional capture-card input extend the available content sources. Pad control and third-party control integration support scene selection and playback operations.
Technical Specifications
Parameters below follow the Colorlight CS4K Pro Specification V1.1.
| Parameter | Specification |
|---|---|
| Model | CS4K Pro |
| Chassis | 2U |
| Playback outputs | 2 × Mini DisplayPort 1.4 |
| Maximum resolution | 8192 × 2160 @ 60 Hz |
| Operator display connections | 1 × HDMI 1.4 / 1 × DVI; up to 3840 × 2160 @ 30 Hz |
| Operating system | Windows 10 Professional |
| Processor | Intel, 6 cores / 12 threads |
| Memory / storage | 16 GB RAM / 500 GB M.2 SSD |
| Graphics | Quadro professional graphics |
| Playback software | GrandShow |
| Optional capture card | SDI and DVI ports |
| Network bandwidth | 1000M |
| Power supply / power | AC 100–240 V, 50/60 Hz / 165 W |
| Dimensions (W × H × D) | 482.6 × 98.0 × 391.7 mm |
| Net weight | 7.14 kg |
| Operating conditions | 0–45°C; 10–80% RH, non-condensing |
Frequently Asked Questions
What is the maximum resolution of the CS4K Pro?
The V1.1 specification lists 8192 × 2160 at 60 Hz. The HDMI and DVI operator-display connections have a separate limit of 3840 × 2160 at 30 Hz.
Which software does the CS4K Pro use?
It uses GrandShow for content playback, scene editing, preview and output monitoring.
Can it play PowerPoint files and HDR video?
Yes. Supported content includes PowerPoint files, videos, images and text; HDR video decoding and playback are also supported.
Can I use live video sources?
The server supports NDI capture and an optional capture card. The specification lists SDI and DVI ports for the optional card; confirm that option when planning live inputs.
Can scenes switch automatically?
Yes. Automatic scene touring and timed power on/off are supported. Operators can also switch scenes using Pad control or supported third-party controls.
Product Images


Existing PDF Download
The file linked below is labeled CS16K and is a different-model document. It is retained for reference and should not be used as the CS4K Pro specification.




Reviews
There are no reviews yet.