Professional 400Ws monolight flash head featuring built-in radio and optical wireless receivers, 6-stop power control, and a 150W tungsten modeling lamp.
The Godox QS400II is a 400Ws monolight flash head designed for studio and on-location photography. It includes a user-replaceable flash tube and a 150W tungsten modeling light to assist with lighting previews. Power output is adjustable across a 6-stop range in 1/10-stop increments, with recycle times between 0.3 and 1.5 seconds. Wireless control is supported via built-in 2.4 GHz radio and optical receivers, offering 32 channels and 16 groups for flexible remote operation. The unit operates on 100 to 120 VAC power and includes a USA Type-A/B to IEC power cable. Mounting options include a 5/8" receiver with swivel mount and an umbrella mount, while the front accessory mount uses a Bowens S-type fitting. The flash duration ranges from 1/2000 to 1/800 seconds, and the guide number is 213.3 feet (65 meters) at ISO 100. Additional features include audio flash ready indicators, an on/off switch, and compatibility with the Godox Flash mobile app via a separate adapter. The monolight weighs approximately 6.06 lb (2.75 kg) and measures 16.1 x 10.2 x 5.5 inches (41 x 26 x 14 cm).
- 400Ws monolight flash head with 6-stop power adjustment in 1/10-stop increments
- Includes user-replaceable flash tube and 150W tungsten modeling lamp
- Built-in 2.4 GHz radio and optical wireless receivers with 32 channels and 16 groups
- Power source: 100 to 120 VAC with included USA Type-A/B to IEC cable
- Mounting options: 5/8" receiver swivel mount, umbrella mount, and Bowens S-type front accessory mount
- Flash duration from 1/2000 to 1/800 seconds; guide number 213.3' (65 m) at ISO 100
- Audio flash ready indicator and on/off switch included
- Compatible with Godox Flash mobile app via separate adapter (Android & iOS)
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