CS4K video playback with GrandShow
The Colorlight CS4K is a multimedia video server for LED display playback and scene management. Its GrandShow software supports video, graphics, PPT and text, with preview and output monitoring for preparing and switching scenes. V1.1 documents one Mini DisplayPort 1.4 playback output.
CS4K specifications
| Parameter | Specification |
|---|---|
| Playback output | 1 × Mini DisplayPort 1.4 |
| Maximum whole-system output | 4096 × 2304 at 60 Hz |
| Playback software / operating system | GrandShow / Windows 10 Pro, as specified |
| Processor | Intel 6-core, 12-thread processor |
| Memory / storage | 8 GB / 500 GB M.2 SSD |
| Graphics | Quadro professional graphics, 4 GB memory |
| Capture card | SDI / DVI interface options; optional |
| Network | Gigabit Ethernet |
| Power input / power | AC 100–240 V, 50/60 Hz / 155 W |
| Chassis / dimensions (W × H × D) | 2U / 482.6 × 98.0 × 391.7 mm |
| Net weight | 7.14 kg |
| Operating environment | 0 to +45 °C; 10–80% RH, non-condensing |
Playback output and operator display
The Mini DisplayPort connection is identified for playback display. The document describes VGA, DVI and HDMI connections for viewing the editing/control interface. Plan the operator monitor and LED display signal path separately when assigning connections.
Scene editing, freezing, background display, rotation and color adjustment support show preparation. MIDI, Pad app and central-control functions can be reviewed against your operating workflow. Confirm optional capture hardware and customized time-limited authorization before purchase.
Product photo

Specification download
Download the CS4K specification (V1.1)
Frequently asked questions
Which CS4K connector carries the playback image?
The V1.1 specification identifies one Mini DisplayPort 1.4 output for the playback image. VGA, DVI and HDMI connections are described for the software editing/control display; do not count them as additional independent playback outputs.
What maximum output resolution does CS4K support?
V1.1 lists 4096 × 2304 at 60 Hz as the maximum whole-system playback display resolution. Verify the output timing and receiving display equipment for your canvas.
What software and content types are supported?
The specified playback software is GrandShow. The document lists video, graphics, PPT and text, together with scene editing, preview, switching and HDR video decoding/playback.
Does CS4K include an SDI or DVI capture card?
The specification lists SDI/DVI capture hardware as optional. Confirm the installed capture card and any live-input requirements when selecting the configuration.
What hardware configuration is documented?
V1.1 lists an Intel six-core, twelve-thread processor, 8 GB memory, a 500 GB M.2 SSD and a Quadro graphics card with 4 GB memory. Confirm the delivered revision because hardware configurations can change.


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