KYStar KBS1000 LED sending box
The KBS1000 provides HDMI 2.0 and dual DVI inputs for LED display systems, with ten Gigabit outputs supporting up to 6.5 million pixels. It is used for rental and fixed screens in venues, conferences and exhibitions.
Source and display control
HDMI supports up to 4096 × 2160 at 60 Hz; the DVI input limit is 2048 × 1152 at 60 Hz. HDMI loop output carries the HDMI source. EDID management, USB/Gigabit PC control and cascading simplify source configuration and multi-unit operation.
The unit supports calibration with the KYStar system, Ethernet backup, brightness/color-temperature adjustment and 3D display. Spherical-screen adaptation is limited to eight output ports and uses KR, Hxs or Mx receiving cards.
Technical specifications
| Parameter | Specification |
|---|---|
| Inputs | 1 × HDMI 2.0; 2 × DVI |
| HDMI maximum input | 4096 × 2160 at 60 Hz |
| DVI maximum input | 2048 × 1152 at 60 Hz |
| LED outputs | 10 Gigabit Ethernet ports |
| Total capacity | 6.5 million pixels |
| Per-port capacity | 650,000 pixels |
| Maximum output width / height | 8,000 pixels each, within total capacity |
| Cascading | Up to 8 units |
| 3D display | Requires transmitter and glasses; loading capacity halved |

Download Specification:
Kystar KBS1000 LED Display Control System Sending Box Specification(Chinese)
Frequently asked questions
Do both HDMI and DVI support 4K input?
No. HDMI supports 4096 × 2160 at 60 Hz, while DVI supports up to 2048 × 1152 at 60 Hz.
What is the KBS1000 total loading capacity?
The unit supports up to 6.5 million pixels through ten Gigabit Ethernet outputs, with 650,000 pixels per port.
Does spherical-screen mode use all ten ports?
The specification limits the spherical-screen feature to eight output ports and lists KR, Hxs and Mx receiving-card series for this function.
Can I use the KBS1000 for 3D?
Yes, with a 3D transmitter and glasses. Loading capacity is halved in 3D mode.



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