Broncolor Siros 400S WiFi / RFS2 Flash Head

The Siros 400S is renowned for its extremely consistent color temperature, ensuring accurate and repeatable results critical for professional studio work.

While primarily designed for studio use, its compact size and reliable performance make it suitable for on-location shoots, though you may need appropriate power solutions and modifiers.

Firmware updates are typically managed through the Broncolor mobile app. Connect your Siros head to WiFi and check for available updates within the app settings.

The Siros 400S has a maximum output of 400 Ws. Power can be adjusted in precise increments.

Yes, the Siros 400S typically includes a power cable. Please refer to the product packaging or manual for exact inclusions.

The recycle time is very fast, allowing for quick succession of flashes, which is essential for professional shooting speeds.

Flash tubes are generally replaceable, but it is recommended to have this done by authorized service personnel to ensure correct installation and performance.

Ensure the power cable is securely connected to both the flash head and a functioning power outlet. Check the main power switch on the unit.

Verify that the RFS2 transmitter is paired correctly with the Siros head. Check the batteries in the transmitter. Ensure the flash head is within the wireless range and not obstructed.

Confirm that the Siros head is connected to the same WiFi network as your control device. Restart both the Siros head and your smartphone/tablet. Check for app updates.

Allow the unit to stabilize after powering on. Ensure the flash tube is clean and undamaged. Perform a factory reset if the issue persists.