• Webcode: 436539 • Mfr: 4713-C
Product Highlights
  • 400 Ws Power
  • 5/8" Receiver Mount Type
  • 1/280 - 1/8500 Flash Duration
  • 5500K ±150K Colour Temperature
  • 100 - 240 VAC Input
  • 0.05 - 0.9 s Recycle Time
  • LED 20 W Modelling Light
  • 300 m (985') Operation Range
  • 2.4 GHz Frequency
  • 4400 mAh Capacity
  • 65 Wh
  • LED Display
  • Kit includes 2x flash heads, wireless trigger, backpack & accessories
Westcott FJ400 Strobe 2-Light Backpack Kit w/ FJ-X2m Universal Wireless Trigger Westcott FJ400 Strobe 2-Light Backpack ...
Web Availability: In Stock
Product is In Stock in our Warehouse or in one of our store locations. We will confirm stock is available and process your order. If the available stock is sold before your order is processed, you will receive an email from us.
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  • Toronto On Order
  • Ottawa Available for Order
  • Mississauga Available for Order
  • Calgary In Stock
  • Edmonton Available for Order
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FJ400 Strobe 2-Light Backpack Kit

Never Miss a Shot Again

The FJ400 is the first portable 400Ws AC/DC strobe with under a second recycle speed at full power that offers an impressive 480+ full-power flashes per charge. The lightweight FJ400 offers unrivaled performance with the most accurate color temperature throughout its entire 9-stop output range.

Key Features:

  • 400 watt-second AC/DC strobe
  • Universal wireless radio trigger for many Canon, Nikon, Sony (with adapter), Fuji, Panasonic Lumix, and Olympus cameras and Canon RT flash system
  • 480+ full-power flashes per charge
  • 0.05 to 0.9 second recycle time
  • Removable AC/DC lithium polymer battery

TTL, High Speed Sync, Freeze Sync, and More

With an intuitive menu system and LCD color display, the FJ400 features Manual and TTL Flash Modes, High Speed Sync (HSS) up to 1/8000s, Freeze Sync up to 1/19000s, Continuous Capture up to 20 fps, Mask Function, Delay Function, Automatic Memory Recall, Rear Curtain Sync, Canon RT flash compatibility, group and channel assignment, Group Exposure Compensation, and much more. This strobe is firmware upgradeable via the included USB-C cable.

Additional Features:

  • Color temperature stability of 5500K (±150K) across entire energy range
  • High-Speed Sync up to 1/8000s, TTL, and Rear Curtain Sync capable
  • Continuous Capture up to 20 frames per second
  • 6 groups and 16 wireless channels
  • 9 F-stop energy range in 0.1 and 1.0 increments

Say Goodbye to Brand-Specific Triggers

Maximize the FJ400’s full potential by pairing it with the powerful FJ-Xm Universal Wireless Trigger. The FJ-X2m offers revolutionary compatibility with many Canon, Nikon, Sony (with adapter), Fuji, Panasonic Lumix, and Olympus cameras (see FJ-X2m compatibility chart). With a large display and user-friendly menu, controlling TTL and HSS has never been easier.

Unrivaled Battery Performance

The removable lithium polymer battery provides both DC power for on-location freedom and AC trickle-charge performance when the state of charge is above 25%.

Consistent Color Temperature at Every Power Level

The FJ400 maintains a color temperature stability of 5500K (±150K) throughout its entire 9-stop output range, with flash increments of either 0.1 or 1.0 stops. It features a 20W 5600K LED modeling lamp with auto-adjust and independent output control.

Optimized for Light Modifiers

The extended flash tube provides optimal light output allowing for a wider, even spread for filling light modifiers. Equipped with a Bowens S-Type mounting system, the FJ400 is easy to pair with your favorite softbox. The FJ400 includes a Magnetic 5” Reflector, Magnetic CCT Gel Set, and a Rapid Box Switch Bowens Insert that allows you to pair your strobe with any Rapid Box Switch light modifier. The built-in tilter bracket with a tension screw offers secure mounting and positioning of large umbrellas and modifiers.

Designed with Safety In Mind

The FJ400 strobe is equipped with onboard self-monitoring cooling fans and an automatic shutoff feature to ensure safe operation during use.

Store and Transport Your Strobe Kit with Ease

Equipped with a large, central storage compartment featuring removable dividers, the included backpack is ideal for traveling comfortably with your FJ400 kit. It features various zippered compartments for storing smaller accessories, a separate internal compartment with three padded sleeves for storing laptops and tablets, a convenient water bottle pouch, a tripod holder with retention straps and more.

FJ-X2m Camera Compatibility

The FJ-X2m trigger is compatible with any camera that has a hot shoe mount in manual mode. The following cameras provide TTL and HSS compatibility.

  • EOS -1D X
  • EOS-1D X Mark II
  • EOS 5D Mark IV
  • EOS 5DS R
  • EOS 80D
  • EOS R
  • EOS RP
  • XT-2
  • XT-3
  • D500
  • D810
  • D850
  • Z6
  • Z7
 Panasonic Lumix:
  • GH5
  • S1
 SONY (with Adapter)
  • a7
  • a7 III
  • a7R II
  • a7R III
  • a9
  • a99 II
  • a6500

What's Included

2x FJ400 Strobes
FJ-X2M Universal Wireless Flash Trigger
2x Switch Insert (FJ400 / Bowens / Godox)
2x FJ400 AC/DC Lithium Polymer Battery
2x FJ400 Glass Dome
2x FJ400 AC Power Adapter & Cord (US / CA plug)
2x FJ400 Magnetic Reflector (Bowens, 5.5")
2x FJ400 Magnetic Gel Set
USB-C to USB-A Cable
Lite Traveler Backpack


Product Specifications

FJ400 Strobe 2-Light Backpack Kit


Light Type Strobe
Mount Type 5/8” Receiver, 8mm Round Umbrella Receptacle (Limited Mounting with Hexagonal Shaft Umbrellas)
Power Cord 7.75'
USB USB-C (Firmware Updates)
Cooling Fan
Power Type AC / DC
Input Power 100 - 240 VAC
50 / 60 Hz
1.6 A
Total Watt / Seconds 400
Lamp / Tube User Changeable Yes
Auto Dump Yes
Weight 7.6 kg (16.8 lbs)
Dimensions 50.8 x 33 x 21.6 cm (20 x 13 x 8.5")
Colour Black
Certification FJ400: CE; Power Adapter: CE, FCC; Battery: CE

FJ400 Strobe

Maximum Power 400 Ws
Energy Range 9 F-Stop (1.56 - 400 Ws)
Flash Duration (t0.1) Normal: 1/280 - 1/3000s
Freeze: 1/280 - 1/7000s
Flash Duration (t0.5) Normal: 1/800 - 1/8500s
Freeze: 1/800 - 1/19000s
Recycle Time 0.05 - 0.9s (DC Battery)
Continuous Capture 20 FPS (Camera Model Dependent)
Color Temperature Stability Normal/TTL/HSS: 5500K ±150K
Freeze: 5500K ±500K (E.R. 5-9)
Mounting System Bowens S-Type
Flash Increments 1-Stop and 0.1-Stop
Flash Modes Manual, TTL
Mask Function Yes (Manual)
Flash Exposure Compensation ±3
Modeling Lamp LED 20W 5600K
Sync Functions Normal, HSS, Freeze
Sync Speed 1/8000 Sec (High-Speed)
Wireless Radio Frequency 2.4 GHz
Wireless Channels 16 (0-15)
Wireless Groups 10
Wireless Range 985’ (300m)
Display LCD Color Display
Mount 5/8” / 16mm Receptacle
Auto-Dump Yes
Fan Cooled Self-Monitoring Cooling Fans
Voltage Stabilization Yes
Port Type USB-C (Firmware)
Auto-Power Off Yes
Audible Beep Yes
Delay Function Yes (Manual)
Auto Memory Recall Yes

FJ-X2M Trigger

Compatible Strobe FJ400
Compatible Systems Canon, Canon RT, Nikon, Sony (with adapter), Fuji, Panasonic Lumix, Olympus
Radio Frequency 2.4GHz
Wireless Channels 16 (0-15)
Wireless Groups 6 Native, 10 App
Wireless Range 985’ (300m)
Canon ID 100 keys (00-99, RT only)
Control Modes TTL (Auto), Manual
TTL EV Range ±3
Sync Modes High Speed (HSS 1/8000), Front Curtain, Rear Curtain
Standard Flash Sync Camera Model Max Sync Speed
Ports USB Type-C, 2.5mm (Flash)
Mobile App Yes
Bluetooth Yes
Firmware Update PC, Mac
Battery Built-in rechargeable Lithium Ion
Battery Lifespan 200,000 flashes per charge cycle

FJ400 Battery

Flashes Per Charge 480+ at Full Power
Battery Type Lithium Polymer
Capacity 65Wh, 4400mAh
Voltage 14.8V
Battery Indicator LED
Recharge Time 2.5 Hours
Battery Charge Cycles 300+
AC Power Requirement Battery Level ≥25%

Questions & Answers

Westcott FJ400 Strobe 2-Light Backpack Kit w/ FJ-X2m Universal Wireless Trigger

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