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f Sirui Bi-Color LED Monolight C300B
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Sirui Bi-Color LED Monolight C300B

With Sirui's powerful high-end C300B Monolight, you have a whopping 300 watts of LED light at your disposal. The high quality light provides natural colors. The robust, metal housing ensures that you work reliably and safely. Anywhere, anytime. Sirui's quality is instantly recognisable to the professional user. Its many lighting effects, light weight, high light output and CCT control (bi-color) make the Monolight an all-rounder.

Important features Sirui Monolight C300B

  • Lots of light: the 300-watt LED lamp provides as much as 11,500 LUX at 1 meter distance. The light is infinitely adjustable from 1 to 100%. You also infinitely adjust the color temperature, from 2800K to 7000K. The light quality measures up to the premium brands in the market, with a CRI of 96 and a TLCI of 98. So the light is just right, for any professional production. The LED lamp is also a lot lighter than comparable brands, despite its robust metal housing.
  • Built-in fans: inside, two fans are built in to ensure good heat dissipation at high power levels. These fans are very quiet, making the lamps ideal for noise-sensitive environments.
  • Always ready to use: the C300B works with any Bowens-mounted accessory, including Sirui's deluxe RGX softboxes. Use the LED light in studios around the world with mains power, while in outdoor locations you rely on 2 v-mount batteries via the included controller. Batteries are available separately as an optional accessory.

Operation Sirui C300B:

The clear display and push-and-turn knob give you full control over all settings. Optionally connect the C300B to a DMX controller, via the 5-pin XLR connector. There are 2 DMX connections, for both signal input and output. This way, you can optionally loop multiple lights. Via the C300B's display, you choose the DMX channel. For added convenience, a free smartphone app is also available, which allows you to control all options via Bluetooth up to a distance of 15 meters. Even from multiple lights in a group. There are 12 fun themed effects built in.

Practical use Sirui C300B:

You have the freedom to attach the C300B to any lamp stand using the spigot connector. You do this with the bracket that attaches to the lamp. This bracket also allows you to rotate the lamp 360 degrees, in every conceivable position. The metal rotary knobs on the side lock the chosen position. For safe transport, the C300B comes with a special bag, including protective cover, reflector and power adapter.

Power supply C300B:

No power socket? No problem! Because you place 2 v-mount batteries on the controller. Connecting to a socket is of course also possible. Because the power supply is built-in, there are no unnecessary cables. One cable goes from the EU socket to the controller. And 1 cable from the controller to the LED lamp. And that worldwide, because the LED lamp supports 110V-240V.

Compact size:

Despite its high power and light output, the C300B is very compact. The lamp measures just 19 x 12 x 12 cm and weighs 1.8 kg. The controller measures 12.7 x 11.5 x 25.7 cm and weighs 1.98 kg.

Reliability & Warranty

Sirui has been known for its high quality for 20+ years. You use the products worry-free for all your productions. Sirui guarantees that you are purchasing a quality product and gives you a 3-year manufacturer's warranty. Does something unexpectedly go wrong? Then you can count on fast support and repairs in the Netherlands.


  • 1x C300B LED lamp
  • 1x Controller
  • 1x Reflector
  • 1x Power Cable
  • 1x Connection cable
  • 1x Protection cap
  • 1x Light stand clamp for controller
  • 1x Carrying Case
  • 1x Warranty Card
  • 1x Service card

In stock

Price incl. VAT: € 669,00

Type:HelpLED spot lamp
Number of LEDs:Help1
Power Consumption:Help300 Watt
Adjustability:HelpContinuously variable
Dimensions:Help19 x 12 x 12 cm
Weight:Help1.8 kg
Light Output (LUX) @ 0.5m:Help200,000 (@5600K, incl. reflector)
Light Output (LUX) @ 1m:Help43.700 (@5600K, incl. reflector)
Light Output (LUX) @ 2m:Help9,830 (@5600K, incl. reflector)
Application:HelpEvent photography, Portrait photography, Product photography, Video recordings, Vlogs - Youtube - Tutorials
Functionalities:HelpBi-Color (color temperature adjustable), Compatible with DMX, Dimmable (power adjustable), Motor cooling, Theme effects adjustable, Bluetooth
Power supply:HelpExternal battery (Sony V-mount), Mains power
Color temperature:Help2800K-7000K
CRI (Ra):Help96

Enter the brilliant world of SIRUI, with the brand new collection of LED lighting. Accompanied by carefully crafted softboxes and reliable lamp stands.

At SIRUI, we have been committed to excelling in premium quality and innovation for 20+ years. Our commitment to perfection translates into extraordinary reliability and a standard warranty period of no less than 3 years. We take extreme care in every detail, with practicality in mind.

Intensive and professional testing by Content Creators

Our products undergo rigorous testing, supported by a team of dedicated content creators. Their user experience and feedback on recordings inspire us to continually evolve. This leads to products our customers are excited about, as confirmed by the many positive comments we receive.



Sirui is ISO certified in environment (ISO14001), quality (ISO9001) and work safety (ISO45001) by NOA Testing & Certification.