# C-Max 640 COB

> COB version of C-Max in P1.25, P1.53 and P1.86. The encapsulated surface copes better with touch and knocks than exposed SMD LEDs. For boardrooms and control rooms where people sit close to the screen.

- Brand: LedQX
- Line: [Indoor fixed](https://ledqx.eu/en/products/indoor)
- Series: [C-Max](https://ledqx.eu/en/series/c-max)
- Pixel pitch: P1.25 – P1.86
- Environment: Indoor
- Page: https://ledqx.eu/en/products/indoor/c-max-640-cob

## Specifications

| Specification | Value |
| --- | --- |
| Pixel pitch | P1.25 – P1.86 |
| Environment | Indoor |
| Brightness | 300–600 nits |
| Refresh rate | 2,880 Hz |
| LED type | COB |
| Size (mm) | 640×480×70 |
| Weight | 5.0–7.5 kg |
| Material | Magnesium |
| Service | Front service for modules, power supplies and cards |

## Features

- COB: fully encapsulated surface, 4H hardness
- Matt black surface for contrast
- 640×480 mm cabinet, builds up to 16:9 formats
- Fanless: the magnesium chassis carries the heat away
- No cables inside the cabinet: board-to-board connections

## Applications

- Boardrooms
- Training rooms
- Control and monitoring rooms
- Executive spaces

## More from the C-Max series

- [C-Max 640](https://ledqx.eu/en/products/indoor/c-max-640.md): P1.25 – P4.0
- [C-Max 640 Eco](https://ledqx.eu/en/products/indoor/c-max-640-eco.md): P1.86 – P2.5
- [C-Max 640 Wall](https://ledqx.eu/en/products/indoor/c-max-640-wall.md): P1.25 – P4.0
- [C-Max 250 Ribbon](https://ledqx.eu/en/products/indoor/c-max-250-ribbon.md): P2.5 – P3.91

## Questions and answers

### Is C-Max 640 COB suitable for outdoor use?

No. C-Max 640 COB is an indoor screen and is not meant for rain or open air.

### Which pixel pitches does C-Max 640 COB come in?

C-Max 640 COB comes in P1.25, P1.53 and P1.86.

### How bright is C-Max 640 COB?

C-Max 640 COB has a brightness of 300 to 600 nits, depending on pitch and version.

### What is the refresh rate of C-Max 640 COB?

C-Max 640 COB has a refresh rate of 2,880 Hz.

### How much does C-Max 640 COB weigh?

Weight of C-Max 640 COB: 5.0–7.5 kg.

### What are the dimensions of C-Max 640 COB?

Dimensions of C-Max 640 COB in mm: 640×480×70.

### How is C-Max 640 COB serviced?

Front service for modules, power supplies and cards.

### What is C-Max 640 COB used for?

Applications of C-Max 640 COB: Boardrooms; Training rooms; Control and monitoring rooms; Executive spaces.

### What does C-Max 640 COB cost?

Prices are not listed on the site, because the price depends on pitch, surface area and version. Request a quote for your configuration.

## Request a quote

Give us the surface area and the application. You get a quote for your configuration. https://ledqx.eu/en/quote?product=c-max-640-cob

_Specifications subject to configuration._