Fifteen thousand lux at 2 m, and still 5,200 lux at 3 m: those are the spot-mode centre readings SWIT publishes for the SWIT FL-C400D Bicolor LED Spot Light 400W, starting from 130,000 lux at 1 m. Opened to its widest setting, the same head gives roughly 24,000 lux at 1 m and 960 lux at 3 m. Put simply, this 400W COB LED Fresnel can key a presenter from a studio grid several metres away, cut a hard backlight through haze, or lay one even pool across a set that would otherwise need several smaller heads.
The beam is shaped by a double-sided compound lens. Fresnel rings on the front converge the light, while a fly's-eye array on the rear face mixes it, suppressing the yellow halo that can fringe a hard LED beam and leaving a clean, evenly filled field. Focus is mechanical: a handle moves the LED board inside the housing, sweeping the half-peak angle anywhere between a 15° spot and a 50° flood. One fixture therefore covers a tight pool on a newsreader's desk as easily as a broad wash over an interview set.
Colour accuracy is rated at CRI 97, TLCI 99 and SSI (D55) 75. Inside the COB sit two 400W emitter groups, one warm and one cool, so the fixture holds its rated output wherever the bi-colour temperature is set, adjusted continuously across the 2700K–6500K span in 50K steps. It can sit next to tungsten practicals on a drama set in the morning, then swing towards daylight to match windows or an LED wall in a corporate studio after lunch.
Dimming runs from 0 to 100% in 1% increments with flicker-free PWM drive. Four response curves live in the system menu (linear, logarithmic, exponential and S-curve), so a fade programmed on a lighting desk behaves the same way as the rest of the rig. A built-in effects mode adds candle, lightning and faulty-bulb presets with ten speed steps, running either continuously or as a single cue, which is handy for drama inserts and music videos.
Fifteen thousand lux at 2 m, and still 5,200 lux at 3 m: those are the spot-mode centre readings SWIT publishes for the SWIT FL-C400D Bicolor LED Spot Light 400W, starting from 130,000 lux at 1 m. Opened to its widest setting, the same head gives roughly 24,000 lux at 1 m and 960 lux at 3 m. Put simply, this 400W COB LED Fresnel can key a presenter from a studio grid several metres away, cut a hard backlight through haze, or lay one even pool across a set that would otherwise need several smaller heads.
The beam is shaped by a double-sided compound lens. Fresnel rings on the front converge the light, while a fly's-eye array on the rear face mixes it, suppressing the yellow halo that can fringe a hard LED beam and leaving a clean, evenly filled field. Focus is mechanical: a handle moves the LED board inside the housing, sweeping the half-peak angle anywhere between a 15° spot and a 50° flood. One fixture therefore covers a tight pool on a newsreader's desk as easily as a broad wash over an interview set.
Colour accuracy is rated at CRI 97, TLCI 99 and SSI (D55) 75. Inside the COB sit two 400W emitter groups, one warm and one cool, so the fixture holds its rated output wherever the bi-colour temperature is set, adjusted continuously across the 2700K–6500K span in 50K steps. It can sit next to tungsten practicals on a drama set in the morning, then swing towards daylight to match windows or an LED wall in a corporate studio after lunch.
Dimming runs from 0 to 100% in 1% increments with flicker-free PWM drive. Four response curves live in the system menu (linear, logarithmic, exponential and S-curve), so a fade programmed on a lighting desk behaves the same way as the rest of the rig. A built-in effects mode adds candle, lightning and faulty-bulb presets with ten speed steps, running either continuously or as a single cue, which is handy for drama inserts and music videos.
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Noise matters on dialogue sets. Fan control can stay on Auto or be switched off for a completely silent head, with one honest limitation: with the fan off, the dimmer tops out at 48%. For close interviews, filmed podcasts or quiet theatre scenes, that is usually plenty of light from a source this size.
Integration with a DMX512 network goes through 5-pin XLR in and out. Rather than a fixed channel block, the light accepts four independently assigned addresses for dimmer, colour temperature, spot/flood and fan. A practical consequence: an entire studio rig can share one colour-temperature channel while every head keeps its own intensity fader, saving sliders on a smaller console. If running cable up to the grid isn't practical, a USB-A socket delivering 5V powers a wireless DMX receiver, and the same socket takes a FAT32 USB stick for firmware updates on site.
For remote zoom, SWIT offers the LA-M50 E-motor, which owners can fit themselves, or the light can be ordered with the motor pre-installed as the FL-C400DM. Once fitted, the 15°–50° beam is driven from the menu knob or a DMX channel, so a lighting director can retune focus on a rigged fixture without a ladder or a lift. A pole-operated yoke is also available for grid installations.
Power distribution follows studio installation logic. The fixture accepts 100–240V AC, 50/60Hz, through a PowerCON TRUE1 input with a matching TRUE1 loop output. Using the optional 2 m loop cable rated at 16 A, up to seven lights can be daisy-chained on a 220V supply, or four on 110V. Actual draw is around 380W at 220V, a figure worth having when sizing circuits or quoting power for a hired stage. The housing is rated IP20, so it belongs indoors: TV studios, theatres, film stages and conference venues.
In the box come four-leaf metal barn doors, removable and rotatable, a blackout cloth against light leakage, a safety rope and the TRUE1 mains cable, with a yoke bracket for mounting. For a softer key, the optional LA-BC90 octagonal diffuser box, with double diffusion and an eggcrate, fits SWIT's 90 mm Fresnel range, this model included.
The SWIT FL-C400D Bicolor LED Spot Light 400W uses the same housing as the 200W FL-C200D, and both accept the same E-motor and diffuser box, so a mixed rig stays consistent.
The difference is reach: SWIT quotes around 65,000 lux at 1 m in spot for the smaller model, against 130,000 lux here, so the 400W version earns its place wherever throw distance or a stop of extra exposure matters.
Broadcast halls, XR and virtual production stages, event studios and theatre installs all get the same thing from it: the throw of a large hard-light Fresnel, a sub-400W draw at the wall and a LED studio spotlight that drops straight into an existing DMX setup.
| Model | FL-C400D |
|---|---|
| LED | COB Chip-on-board LED |
| Spot angle | 15° - 50° adjust |
| Illuminance | 130,000Lux@1m/Spot |
| Color Temperature | 2700K - 6500K |
| CRI | 97 |
| TLCI | 99 |
| Power | 400W |
| USB | 5V USB-A power out |
| DMX | DMX512, 5pin XLR IN & OUT |
| AC Power | PowerCON TRUE1 AC 100-240V 50/60Hz input & output |
| Net weight(without packaging) | 6.85kg |
| Product dimensions(without packaging) | 175×175×400mm |
| Gross weight(with packaging) | 9.75kg |
| Package dimensions | 600×352×323mm |
| IP Rating | IP20 |
| Lifespan | 100,000 hrs |
Data sheet
Specific References
