
Broncolor 31.750.10 Siros 400 L Outdoor Flash Kit
Portable Power for Stunning Outdoor Photography The Broncolor Siros 400 L Outdoor Kit 2 is a comprehensive solution for photographers seeking studio-quality lighting on location. This kit provides the power and flexibility needed to capture exceptional images in any environment. Kit Highlights:...
*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.
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Overview
Portable Power for Stunning Outdoor Photography
The Broncolor Siros 400 L Outdoor Kit 2 is a comprehensive solution for photographers seeking studio-quality lighting on location. This kit provides the power and flexibility needed to capture exceptional images in any environment.
Kit Highlights:
- Dual Siros 400 L Units: Two powerful monolights with Broncolor HS technology for high-speed sync.
- Mobile Power: Includes two lithium-ion batteries and a charger for reliable cordless operation.
- Light Modifiers: Comes with an 85 cm silver/black umbrella and a 60 x 60 cm softbox with adapter ring.
- Connectivity: Features a 5m sync cable for wired triggering.
- Transport: Includes an outdoor trolley backpack for easy transport of the entire kit.
Specifications:
- Brand: Broncolor
- Model: 31.750.10
- Max Power: 400 Ws
- Power Range: 9 F-stops
- Power Control Increments: 1/10th F-stop (manual mode)
- Modeling Light: 25W LED 300K
- AC Input Voltage: 120V
- Channels: 1-99
- Flash Duration t0.1 (Max Power): 1/400s
- Flash Duration t0.1 (Min Power): 1/9000s
- Groups: 1-40
- Max Sync Speed: 1/9000s (with RFS 2.2 Transmitter)
- Power Range in Js: 2-400
- Wireless Frequency Band: 2.4 GHz
- Wireless Range: 98 ft Indoor / 164 ft Outdoor
- Wireless Transceiver: Yes (Requires RFS Transmitter)
- Weight: 30.76lb / 13.95kg
- Product Height: 23.62 in / 60 cm
- Product Length: 18.03 in / 45.8 cm
- Product Width: 13.86 in / 35.2 cm
Key Features
2 Siros 400 L (with broncolor HS), 1 Battery charger, 2 Lithium-Ion batteries
1 Umbrella silver/black Ø 85 cm / 33.5" 1 Battery charger 2 Lithium-Ion batteries
1 Softbox 60 × 60 (cm) / 2 ft x 2 ft incl. adapter ring
1 Sync cable 5 m / 16.4 ft
1 Outdoor trolley backpack
Specifications
Pros & Cons
👍 Pros
- Includes two Siros 400 L flash heads, offering powerful and consistent lighting for various setups.
- Each Siros 400 L head comes with broncolor HS technology, enhancing sync capabilities with fast shutter speeds.
- Bundled with two Lithium-Ion batteries, providing portable power for on-location shooting.
- Comes with a battery charger, ensuring the power packs are ready for extended use.
- Includes an 85 cm / 33.5" silver/black umbrella, useful for broad, soft light shaping.
- Features a 60x60 cm / 2 ft x 2 ft softbox with an adapter ring for directional and diffused lighting.
- Comes with a 5 m / 16.4 ft sync cable, offering flexibility in studio triggering.
- The outdoor trolley backpack provides convenient and protected transport for the entire kit.
👎 Cons
- The kit is a professional-grade lighting system, implying a higher cost compared to entry-level alternatives.
- The Siros 400 L units, while powerful, may be heavier than compact, battery-powered speedlights.
- While portable with batteries, managing multiple flash heads and modifiers can still be involved for mobile setups.
- The 5m sync cable might be too short for very large studio spaces or complex remote setups.
- As an outdoor kit, it still requires additional weather protection for use in adverse environmental conditions.