Colorlight S4 LED sending controller
The Colorlight S4 sends HDMI or DVI video to LED receiving cards through four Gigabit Ethernet outputs. It supports up to 2.3 million pixels, with a maximum input resolution of 1920×1200 pixels. An HDMI loop output provides a connection for monitoring or linking other controllers.
S4 specifications
| Parameter | Specification |
|---|---|
| Video inputs | 1 × HDMI and 1 × DVI |
| Video loop output | 1 × HDMI LOOP |
| Maximum input resolution | 1920×1200 pixels |
| Source frame rate | 60 Hz, with automatic adjustment |
| LED outputs | 4 × Gigabit Ethernet, RJ45 |
| Loading capacity | Up to 2.3 million pixels |
| Maximum screen width / height | 4,096 / 2,560 pixels, within total loading capacity |
| Recommended transmission distance | CAT5 up to 100 m, as listed in the specification |
| Configuration / cascading | USB IN to computer; USB OUT to next controller |
| Audio | Input for transmission to a multifunction card |
| Screen adjustments | Brightness, chromaticity, color temperature and gamma settings |
| HDCP | Supported |
| Enclosure | 1U |
| Input voltage | AC 100–240 V, 50/60 Hz |
| Rated power consumption | 20 W |
| Weight | 2 kg |
Setup and display control
Use the USB connection for configuration, parameter readback and synchronized settings across cascaded controllers. The S4 supports screen mapping across its four data outputs and multiple-screen configurations. DVI signal information, temperature detection and network error detection help check the installation.
Front-panel controls adjust screen brightness and switch to a test mode. Confirm the actual LED resolution and output-port allocation before setup: the maximum width and height do not form a single supported 4096×2560 canvas.
Frequently asked questions
Does the Colorlight S4 have separate HDMI and DVI inputs?
Yes. The linked Version 2.3 specification lists one HDMI input, one DVI input and one HDMI loop output.
How many pixels can the S4 control?
The listed loading capacity is up to 2.3 million pixels across four Gigabit Ethernet outputs. Maximum width is 4,096 pixels or maximum height is 2,560 pixels, within that total capacity.
What is the S4 HDMI loop port used for?
The specification describes HDMI LOOP as an output for connecting or monitoring other controllers. It is distinct from the HDMI input.
Can S4 controllers be cascaded?
Yes. USB IN connects to a computer for configuration, and USB OUT connects to the next controller. The specification supports synchronized parameter settings and readback.
Can the S4 play video files from a USB drive?
The documented USB functions are configuration and cascading. The S4 specification does not describe USB-drive media playback.


Download Specification:
ColorLight S4 Controller Box Specification





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