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Westcott FJ400 II Strobe 1-Light Backpack Kit with FJ-X3 S Sony Wireless Transmitter

Westcott FJ400 II Strobe 1-Light Backpack Kit with FJ-X3 S Sony Wireless - Main image
$659.25 $879 In stock

Category: Portable Flash

Westcott FJ400 II Strobe 1-Light Backpack Kit with FJ-X3 S Sony Wireless Transmitter

This all-in-one lighting kit brings together power, speed and portability in a setup that is ready to go straight out of the bag. Built around the FJ400 II 400Ws strobe, it delivers fast recycle times, reliable colour and intuitive controls, making it ideal for both studio and location work. With a high-capacity AC/DC battery, Sony-dedicated wireless trigger and a compact softbox included, this kit is designed to keep your workflow smooth and efficient. Whether you are shooting portraits, events or fast-moving subjects, it offers a dependable and flexible lighting solution.

The Perfect Light For

  • Sony photographers looking for a complete portable lighting kit
  • Portrait shooters working on location or in the studio
  • Creators capturing fast action who need speed and reliability
  • Photographers wanting seamless Sony TTL and High-Speed Sync support

Key Features

  • 400Ws portable strobe with fast 0.01 to 0.9 second recycle times
  • High-capacity AC/DC battery delivers 550+ full-power flashes
  • Consistent 5500K colour temperature across a 9-stop range
  • Full-colour OLED touchscreen with built-in help guide
  • High-Speed Sync, TTL, Freeze Sync and curtain sync modes
  • Flash duration down to 1/24,000 second for freezing motion
  • Creative Mask feature for up to 6 lighting variations
  • 30W bi-colour LED modelling light adjustable from 2700K to 6500K
  • FJ-X3 S wireless trigger with dedicated Sony compatibility
  • Bowens mount with included Rapid Box Switch softbox

A Complete Portable Lighting Kit

This kit includes everything you need for a one-light setup, making it a great option for portrait work and small-scale productions. With the Rapid Box Switch Octa-S softbox and magnetic gel set included, you can quickly shape and control your light without needing additional accessories.

Speed and Performance

The FJ400 II is designed to keep up with demanding shoots. With recycle times as fast as 0.01 seconds, you can shoot continuously without waiting for your light to catch up. It also supports continuous capture up to 50 frames per second, depending on your camera and settings.

Flexible Power Options

The included FJ Pro AC/DC battery delivers over 550 full-power flashes per charge, giving you plenty of shooting time on location. For extended sessions, optional higher-capacity batteries are available, and the system also supports AC power with trickle charging for added flexibility.

Consistent and Accurate Colour

Colour consistency is key in professional work, and the FJ400 II maintains a stable 5500K output across its full 9-stop range. This helps ensure reliable results shot after shot, reducing time spent correcting colour in post-production.

Simple and Intuitive Controls

The full-colour OLED touchscreen makes adjusting settings quick and straightforward. With tap, swipe and slide controls, plus built-in help guides, it is easy to make changes on the fly without slowing down your workflow.

Creative Mask for Faster Variety

The Creative Mask feature allows you to capture multiple lighting variations in a single sequence. By controlling when each strobe fires, you can generate up to six different lighting looks without moving your setup, making it ideal for fast-paced shoots or high-volume work.

Dedicated Sony Wireless Control

The included FJ-X3 S wireless trigger is designed specifically for Sony cameras, featuring a proprietary hot shoe mount for seamless compatibility. It enables full access to features such as TTL, High-Speed Sync and more, giving you reliable and responsive control over your lighting setup. With a wireless range of up to 100 metres, 16 groups and 31 channels, it offers precise control in a wide range of shooting environments.

Designed for Light Modifiers

The round head design and extended flash tube provide an even light spread, making it easy to fill softboxes and modifiers. With a Bowens mount and included Rapid Box Switch insert, it works seamlessly with a wide range of lighting accessories.

Portable and Travel Ready

All of this comes packed into the included Lite Traveler Backpack, with dedicated compartments, removable dividers and padded straps. It keeps your gear protected and organised, making it easy to transport your full lighting setup wherever you need it.

What’s Included

  • 1 x FJ400 II Strobe
  • 1 x FJ Pro AC/DC Battery
  • 1 x Frosted Glass Dome
  • 1 x Power Adapter and Cord
  • 1 x 55 Degree Magnetic Reflector
  • 1 x Magnetic Gel Set (CTO, 1/2 CTO, Window Green, Diffusion)
  • 1 x FJ-X3 S Sony Wireless Flash Trigger
  • 1 x FJ-X3 Battery
  • 1 x USB-A to USB-C Cable
  • 1 x Rapid Box Switch Octa-S
  • 1 x Rapid Box Switch Insert (FJ800, FJ400 II, FJ400, Bowens)
  • 1 x Lite Traveler Backpack

TFC’s Verdict:

This is a great option for Sony shooters who want a reliable, portable lighting kit without any compatibility concerns. The dedicated Sony trigger makes setup straightforward and ensures full access to key features like TTL and High-Speed Sync. Combined with the fast recycle times, strong battery performance and consistent colour, it is a solid choice for both studio and location work. If you are invested in the Sony system and want a dependable one-light setup, this kit ticks all the boxes.

MPN: 5712S-A

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Customer Reviews (4.8 / 5 · 5 reviews)

Zoe ★★★★★

Took this kit out for a quick outdoor shoot and was blown away by how fast the recycle time is between bursts—I could barely hear it waiting. The backpack makes carrying everything surprisingly easy.

Amelia ★★★★★

Used it for a portrait session last weekend and the modeling light made focusing in a dim room so much easier. The recycle time is impressively fast, kept up with my Sony without any lag.

Emma ★★★★★

The backpack layout is genius—everything stays organized even when I'm hiking between locations, and the strobe recycles fast enough to keep up with back-to-back shots. Battery life has been solid for a full day of outdoor portraits, and the wireless transmitter syncs with my Sony body without a sin