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SKU: SKU: GD-F400BI
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View full detailsBulk orders shipped within 1–2 business days from UK stock.
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Covered by official UK warranty with in-house support team.

The Godox KNOWLED F400Bi is a High-Powered Bi-Colour Flexible Cine LED Mat Panel Light that has been specially designed to fit the needs of the film and television industry. This 400W LED features an ultra-slim profile and a flexible design, allowing it to be placed in positions that are either very difficult or impossible for regular video light fixtures. It has a CRI and TLCI of ‰¥96 for impeccable colour rendition. It supports the Industry-Standard DMX512 control protocol, as well as Godoxs own RC-R9 2.4GHz Wireless Remote and Bluetooth, enabling it to be used with the Godox Light App. ideal for large productions. The Godox F400Bi flexible LED mat light is perfect for large-scale Film and TV productions. and is also suitable for Broadcasting and Commercial Video production, as well as for use on movie sets.ÂÂÂ
One of the Key features of the Godox F400Bi is its foldable design. When opened, it becomes a large 60x120cm light source, producing soft, even lighting, even without a softbox (sold separately). When not in use, it can be folded down to a fraction of its full size, for portability. It can also be placed in positions that would be very difficult or impossible for other light fixtures, giving you added flexibility.

Due to its ultra-thin profile, the Knowled F400Bi bi-colour LED mat is perfect for illuminating your subject(s) with soft lighting, in spaces that are either impractical or impossible with traditional Video light fixtures. They can be used in places such as the ceiling of car interiors, in cramped spaces, places where there isnt a lot of room for light stands, such as the interior of a train, or as lightweight overhead lighting when shooting either indoors or outdoors.
The KNOWLED F400Bi flexible LED mat is IP65 certified. This means that it is weather-resistant, enabling it to be comfortably used in weather conditions such as rain or fog, etc.  (PLEASE NOTE: The Controller Box is NOT IP65 Water-resistant).

The F400Bi flexible LED mat has a CRI (Colour Rendition Index) of ‰¥96 and a TLCI (Television Lighting Consistency Index) of ‰¥96. This means that the Godox F400Bi will render colours accurately, making it ideal for broadcast usage. Perfect for illuminating TV studios and movie sets.ÂÂÂ
The KNOWLED F400Bi foldable LED mat gives you the option of four dimming curves, enabling the way that you to adjust your lighting just the way you like. You can select between a Linear, S-Curve, an Exponential Curve, or a Logarithmic Curve, rendering the best lighting effects in the shortest amount of time.ÂÂÂ
The Godox F400Bi LED mat panel light provides industry-leading reliability with flicker-free performance at any frame rate or shutter angle, and at any intensity level, making it ideal for filming slow-motion shots.
The F400Bi flexible LED mat light supports a wide range of international Industry-standard control methods, making it easy to integrate into your current work pipeline. It supports DMX512 control protocol (via a 5-pin XLR connection), which enables you to control a single unit or multiple units from a DMX control console. LumenRadio CRMX Control system is also available when used with the TimoLink Receiver (Sold Separately). CRMX compatibility also means these lights will be compatible with the LumiAir App, Blackout Lighting Software, and the MadMapper App. This makes the Godox F400Bi perfect for large film and television productions that are filming in large studio spaces.ÂÂÂ

As well as the industry standard control protocols, the Godox F400Bi flexible LED mat also features a built-in 2.4GHz wireless control receiver, enabling it to be used with the Godox RC-R9 Remote (sold separately). It also features Bluetooth support, enabling it to be used with the Godox Light App.

The Godox F400Bi LED mat light comes with a high-quality aluminium-alloy X-Frame, which enables you to mount the light to a regular light stand.

GODOX Knowled LED mat series comes in various sizes and power, perfect for different scenes and sets: F200BI F400BI F600BI

The Godox F400Bi flexible LED mat light is perfect for Broadcasting, Corporate video, YouTube, Cinematography, Chroma Key green screen, as well as for photography. Whether youre a seasoned professional or an enthusiast, you cant really go wrong with the F400Bi bi-colour LED mat.ÂÂÂ

Important Notice: The Softbox that comes with the F400Bi is not compatible with the SS-FS400 Skirt, because it lacks the necessary hook-and-loop fasteners needed to attach the skirt to the outside of the softbox. If you require the use of the SS-FS800 skirt, we recommend the FS400 softbox instead.ÂÂÂ
EssentialPhoto & Video is the Official Godox Partner and UK Distributor, stocking the widest range of Godox kit in the UK, offering up to a 12 Month Warranty*, and Customer Support and after-sales repair at our Birmingham-based store. All Godox stock is dispatched from our warehouse in the West Midlands, UK.
| Model | F200Bi | F400Bi | F600Bi |
|---|---|---|---|
| Colour Temperature Range | 2,700-8,500K | 2,700-8,500K | 2,700-8,500K |
| Brighness | 1,130lux @3m (5600K) | 2,280lux @3m (5600K) | TBC |
| Max. Power | 200W | 400W | 600W |
| CRI | ‰¥96 | ‰¥96 | ‰¥96 |
| TLCI | ‰¥96 | ‰¥96 | ‰¥96 |
| DMX512 | Yes | Yes | Yes |
| CRMX | Yes (With TimoLink RX Receiver) | Yes (With TimoLink RX Receiver) | Yes (With TimoLink RX Receiver) |
| Light Body Dimensions | 650mm x 631mm x 29mm | 1209mm x 627mm x 23mm | 1200mm x 1200mm |
| Controller Box Dimensions | 124mm x 132mm x 270mm | 124mm x 132mm x 270mm | TBC |
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| CCT | Unit | 1m | 2m | 3m |
|---|---|---|---|---|
| 2800K | lux | 11,500 | 3,550 | 1,760 |
| fc | 1,070 | 330 | 164 | |
| 3200K | lux | 12,600 | 3,920 | 1,940 |
| fc | 1,170 | 364 | 180 | |
| 4300K | lux | 14,200 | 4,440 | 2,190 |
| fc | 1,320 | 412 | 204 | |
| 5600K | lux | 14,700 | 4,610 | 2,280 |
| fc | 1,370 | 428 | 212 | |
| 6500K | lux | 14,300 | 4,520 | 2,230 |
| fc | 1,330 | 419 | 207 | |
| 8500K | lux | 13,800 | 4,330 | 2,130 |
| fc | 1,280 | 402 | 198 |
Our most popular picks — trusted by retailers and loved by professionals.
Our most popular picks — trusted by retailers and loved by professionals.
Bulk orders shipped within 1–2 business days from UK stock.
PCI-compliant checkout with VAT invoice on order.
Speak with our team for stock checks, custom quotes or delivery timelines.
Covered by official UK warranty with in-house support team.