MVB20S control for large multi-source LED displays
The Mooncell MVB20S combines LED sending and multi-window 4K video processing in one unit. Its 20 Gigabit Ethernet outputs support a total LED screen load of 10.4 million pixels, while five picture layers, independent transparency and stored scenes support stage, exhibition and venue display layouts.
Plan the input mix and output mapping before selecting the unit. HDMI 2.0 and DP 1.2 share an alternative-input selection, and the stated width and height limits must be used within the total pixel capacity. The linked V3.0 specification also qualifies the 3D function as customized; it should not be assumed to be enabled on every unit.
Technical specifications
| Parameter | Specification |
|---|---|
| Model | Mooncell MVB20S 2-in-1 LED video processor |
| LED outputs | 20 Gigabit Ethernet ports |
| Loading capacity | 10.4 million pixels total; 650,000 pixels per port. The unit limit remains 10.4 million, not the sum of twenty per-port limits. |
| Maximum output layout | 15,360 pixels wide or 15,360 pixels high; separate limits subject to the total loading capacity |
| UHD input selection | 1 × HDMI 2.0 (HDMI3) and 1 × DP 1.2; these two inputs are used alternatively, with only one active at a time. |
| UHD input formats | 3840 × 2160/60 Hz and 7680 × 1080/60 Hz; custom resolutions with maximum width 7680 at 7680 × 1080/60 Hz or height 7680 at 1080 × 7680/60 Hz |
| Other HDMI inputs | 2 × HDMI 1.3, supporting 2304 × 1152/60 Hz; custom width up to 3840 at 3840 × 640/60 Hz or height 3840 at 640 × 3840/60 Hz; no interlaced input |
| DVI inputs | 2 × DVI, supporting 2304 × 1152/60 Hz and the same listed 3840-wide/tall custom formats; no interlaced input |
| SDI documentation note | The original page and PDF feature list specify 1 × 3G-SDI. The detailed input table omits SDI, so confirm the fitted connector and supported formats for the supplied revision. |
| Windows and layers | Up to 5 simultaneous input pictures/layers; picture-in-picture and independent window transparency |
| EDID | Input resolution management for DVI, HDMI and DP |
| Scene control | 8 scene templates; built-in clock for scheduled template switching |
| Audio | 1 audio input and 1 output; output can select a window source’s audio or the external audio input |
| Device control | 1 × 100 Mbps LAN, 1 × RS232 and 1 × USB 2.0 Type-B control port |
| Configuration backup | SD card backup and restore; inspection function |
| Brightness sensor | SENSOR connector for an external light sensor and automatic brightness adjustment |
| 3D function qualification | The feature list describes active shutter/frame-sequential 3D. The interface table identifies the 3D transmitter connector as reserved and the function as requiring customization. |
| Other display controls | Key lock, image freeze and one-key black screen |
| Input power / rated power | 100–240 VAC, 50/60 Hz; 36 W |
| Operating environment | −20 to 70°C; 10–80% RH, non-condensing |
| Dimensions / net weight | 486 × 365 × 88.9 mm (L × W × H); 4.75 kg |
Product images and specification download


Mooncell-MVB20S-HD-Full-Color-2 In 1-video-processor-manual-pdf
Frequently asked questions
Can MVB20S use HDMI 2.0 and DP 1.2 at the same time?
No. The detailed input table states that HDMI3 and DP are alternative inputs, with only one of these two signals used at a time. Both share the documented UHD/custom-resolution capabilities.
What is the maximum LED screen capacity?
The documented unit limit is 10.4 million pixels, with 650,000 pixels per Ethernet port. The 15,360-pixel width and height figures are separate layout limits and do not describe a 15,360 × 15,360 screen.
How many pictures can be displayed simultaneously?
MVB20S supports up to five input pictures/layers, including picture-in-picture over a 4K main image. Windows have independent transparency settings.
Is active 3D ready to use on every MVB20S?
The specification lists active shutter/frame-sequential 3D, but its interface table says the transmitter port is reserved and the function requires customization. Confirm the supplied unit’s 3D configuration and transmitter requirements before purchase.
Can MVB20S adjust brightness automatically and restore screen settings?
It provides a SENSOR connection for an external light sensor to control brightness and an SD card function for backing up and restoring configuration parameters. The document does not establish that the sensor or SD card is included.









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