# X-Board 4C COB All-in-One LED Display

> Flip-chip COB all-in-one LED display for commercial interiors. 25 mm thin, installs in about 30 minutes, shows four sources at once, in 108 to 216 inches.

LED Express is the North American brand for LED displays: movable LED posters and all-in-one walls, fixed indoor and outdoor LED, and transparent and holographic LED. It serves the United States, Canada and Mexico.

- Web page: https://led.express/products/x-board-4c/
- Full content (Markdown): https://led.express/products/x-board-4c/index.md
- Language: English. Also in: [Español](https://led.express/es/productos/x-board-4c/llms.txt), [Français](https://led.express/fr/produits/x-board-4c/llms.txt)

## Key facts

- Type: COB
- Size: 108 / 135 / 163 / 216 inch
- Pixel pitch: P0.9, P1.3, P1.6
- Service access: Front
- Refresh Rate（Hz）: 2880-3840
- Contrast: 10000:1
- Viewing Angle（H/V): 160°/160°
- Model: X121B4C-108, X151B4C-135, X121B4C-216, X091B4C-163

## Related pages

- [All-in-one displays](https://led.express/products/movable-led-display/all-in-one-led-display/index.md)
- [E-Board4 Std](https://led.express/products/e-board4-std/index.md): Interactive Educational & Corporate Terminal
- [F-Board4 XT](https://led.express/products/f-board4-xt/index.md): Ultra-Slim Smart Conference Terminal
- [F-Board4 Std](https://led.express/products/f-board4-std/index.md): Standard Foldable Smart Conference LED
- [Request a quote](https://led.express/quote/?display=x-board-4c)

## More

- [Site index](https://led.express/llms.txt)
- [All displays](https://led.express/products/index.md)
- [Request a quote](https://led.express/quote/)