KYStar KBS2000 LED sending box
The KBS2000 sends HDMI 2.0 or DP 1.2 video to LED displays through 20 Ethernet outputs and four optical outputs. It supports up to 8.85 million pixels for rental and fixed installations, including event screens, sports venues, meeting rooms and exhibitions.
Configuration and display functions
HDMI loop output can carry the selected HDMI or DP source, with cascading for up to eight units. USB and Gigabit Ethernet provide PC control. EDID management supports custom resolutions within the stated input pixel limits.
The sending box supports Ethernet redundancy, arbitrary cable routing, brightness and color-temperature adjustment, and calibration with the KYStar system. Spherical-screen adaptation works with KR, Hxs and Mx receiving-card series. 3D display requires a 3D transmitter and glasses and halves the loading capacity.
Technical specifications
| Parameter | Specification |
|---|---|
| Video inputs | 1 × HDMI 2.0; 1 × DP 1.2 |
| Maximum input | 4096 × 2160 at 60 Hz |
| LED outputs | 20 Gigabit Ethernet ports |
| Optical outputs | 4: two primary and two backup |
| Maximum total capacity | 8.85 million pixels |
| Per-port capacity | 650,000 pixels |
| Maximum width / height | 8,000 pixels each, within total capacity |
| Cascading | Up to 8 units |
| 3D mode | Loading capacity halved; transmitter and glasses required |

Download Specification:
Kystar KBS2000 LED Display Control System Sending Box Specification(Chinese)
Frequently asked questions
Does the KBS2000 support 4K at 60 Hz?
Yes. The specification lists up to 4096 × 2160 at 60 Hz for its HDMI 2.0 and DP 1.2 inputs.
Is the total capacity 20 times the per-port capacity?
No. Although each Ethernet port supports 650,000 pixels, the complete unit is limited to 8.85 million pixels.
What changes when using 3D mode?
The specified loading capacity is halved, and a 3D transmitter and glasses are required.
Can I control several KBS2000 units together?
Yes. Gigabit cascading supports centralized control of up to eight units.



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