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Broncolor Siros 400 S monolight, dark matte body, built-in reflector mount, WiFi and RFS 2.1 receiver integrated

Broncolor

Broncolor Siros 400 S Monolight WiFi RFS 2.1 400W 9 f-stop

SKU CH-GKVN-50HQP

400 W monolight with 9 f-stop power range, 1/6500–1/1000 s flash duration, 5750 K colour consistency and built-in WiFi plus RFS 2.1 wireless triggering

  • Precise 9 f-stop power range adjustable in 1/10th stops for exact exposure control
  • Rapid 0.02 to 1.4 second recycle times capture every fleeting moment reliably
  • Consistent 5750K color temperature ensures true-to-life colors and reduces post-production time
  • Integrated WiFi and RFS 2.1 receiver enable flexible wireless triggering for complex setups
  • Flash duration from 1/6500 to 1/1000 second freezes motion with crystal-clear sharpness

Broncolor Siros 400 S Monolight

The Broncolor Siros 400 S is a 400 W monolight built for professional photographers and filmmakers who need reliable studio and location lighting. It delivers a 9 f-stop power range adjustable in 1/10 increments for precise exposure control. Integrated WiFi and an RFS 2.1 receiver provide wireless triggering flexibility.

Suits controlled flash work.

This monolight suits professionals who demand consistent 5750 K colour temperature and fast recycle times from 0.02 to 1.4 seconds. The halogen modelling light helps preview setups, while Speed Mode supports up to 50 flashes per second. It is not designed for users who need continuous high-output lighting for video production.

9 f-stop range with 1/10-stop steps

The defining specification is the 9 f-stop control range with 1/10-stop adjustment, giving you granular command over 400 Ws of power. Flash duration spans 1/6500 to 1/1000 second to freeze motion cleanly. This precision determines whether the unit matches your exposure workflow.

Highlights

  • Precise 9 f-stop power range adjustable in 1/10th stops for exact exposure control
  • Rapid 0.02 to 1.4 second recycle times capture every fleeting moment reliably
  • Consistent 5750K color temperature ensures true-to-life colors and reduces post-production time
  • Integrated WiFi and RFS 2.1 receiver enable flexible wireless triggering for complex setups
  • Flash duration from 1/6500 to 1/1000 second freezes motion with crystal-clear sharpness

Specifications

No published specifications for this item yet.

Questions about this item

How does the 9 f-stop range translate to real power steps in the studio?

The 400 Ws output adjusts in 1/10-stop increments across the full 9-stop span, letting you dial precise power from full to minimum without guessing.

What does the RFS 2.1 receiver actually control on set?

The built-in RFS 2.1 receiver handles wireless triggering and power changes from a compatible transmitter, so you can fire and adjust the monolight without cables.

Which modifiers fit the built-in mount without an adapter?

The integrated reflector and modifier mount accepts standard Broncolor bayonet accessories directly.

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