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We are able to ship from our UK based warehouses to many countries around the world...


PRO ST-IV 2.4GHz Flash Transmitter (Godox XPRO)

SKU: M-060032


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The PIXAPRO PRO ST-IV (equivalent to Godox's XPRO) a 2.4GHz TTL Radio flash trigger system capable of transmitting TTL information between your camera and compatible flashes.

100m Transmission Range

The PIXAPRO PRO ST-IV trigger has a transmission range of approximately 100m in an open area, and since the transmitter and receivers use radio waves as opposed to Infra-red, you don’t need direct line of sight and is not affected by bright sunlight which can sometimes cause problems with optical flash trigger systems.

User-friendly Display 

The PiXAPRO PRO ST-IV transmitter features a large backlit Dot-Matrix LCD display, with a new and intuitive user interface.

Multiple Group Options

The ST-IV now gives you the option of working with up to 5 groups (A, B, C, D and E) of flashes simultaneously.

Easy To Use 

Each group can now be easily accessed via the five-dedicated group selection buttons, located at the side of the LCD screen.

Mix TTL & Manual 

You can also mix TTL and Manual flashes together in one lighting set-up.

Advanced Features 

One of the PIXAPRO PRO ST-IV’s new features is its TCM function, which enables you to take a shot in TTL mode to attain the correct exposure and then convert the TTL power levels to display on the LCD as Manual power levels, all from the touch of a single button.

Supports TTL, HSS, Multi-flash

The PIXAPRO PRO ST-IV supports TTL, HSS (High-Speed Sync) Rear-Curtain sync and stroboscopic multi-flash.

Type-C USB Port

It also a USB Type-C port to enable you to update the ST-IV’s Firmware as new technologies become available.

The perfect solution for busy photographers who require a reliable TTL radio trigger system, with a quick and intuitive interface.

Trigger Compatibility
Brand Model Pixapro Products Comments
Canon EOS R5 ST-III, ST-III+, ST-IV & All Speedlites
  1. Not compatible with High-Speed Sync or TTL. All other functions can be used as normal.
  2. Updating your Camera's firmware to 1.5.2 or later should resolve any issues.
Nikon D780 ST-III, ST-III+, ST-IV, Li-ion580II N, GIO 1 N
  1. Images will have bright edges when taking photos at shutter speeds above 1/2000s. Nikon SB910 Speedlite also has the same issue.
  2. Other On-Camera speedlites not compatible with TTL.
Nikon Z7 II ST-III, ST-III+, ST-IV & All Speedlites Not Compatible with AF Assist-beam. The same is true with Nikon branded speedlites
Pentax K-3 ST-III, ST-III+, ST-IV & All Speedlites All functions can be used as normal


Please Note: PiXAPRO Flash and Triggering Systems are fully compatible with Godox 2.4GHz Triggers, which will allow you to mix both Godox and PiXAPRO Equipment together without issue.


  • Large Dot Matrix LCD Screen Displaying 5 Groups
  • 5 Individual Dedicated Group Buttons
  • TCM Function – TTL – CONVERT – MANUAL
  • Built-in Zoom Controls
  • Global Adjustment of Group Power Levels (ALL Button)
  • Large Graphic Menu System with Multiple Custom Functions

What’s In the Box

  • 1x PIXAPRO PRO ST-IV TTL Trigger


TTL FlashTTL Auto flash
Manual Flash ControlYes
Stroboscopic FlashYes
Radio Frequency2.4GHz Transmission
Power Supply2x AA Batteries
Manual Flash TriggeringYes
High-Speed Sync SupportYes
Second-Curtain Sync SupportYes
Flash Exposure Compensation (FEC)Yes ±3 stops 1/3 stop increments
Flash Exposure Lock (FEL)Yes
AF Assist BeamYes
Modelling Lamp ControlYes
Flash-Ready Tone ControlYes
Zoom ControlYes (For flashes with a Zoom feature)
TCM FunctionTransform TTL settings to Manual mode
Memory FunctionSettings will be stored 2 seconds after last operation and recover after a restart.
Working RangeApprox. 0-100m (In an Open Area)
DisplayLarge Back-lit LCD Panel
Upgradable FirmwareYes (Via USB Type-C Cable)
Net. Weight80g



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Delivery & Returns

UK Delivery Rates

Free UK Standard delivery on orders over £150.00*

Order Date (if received before 3pm) Cost Latest Expected Delivery Date
UK Saver Delivery (Orders over £150*) FREE 2-3 Days
UK Saver Delivery £5.00 2-3 Days
UK Next Working Day £8.00 Next Working Day
UK Before 2pm Next Working Day £18.00 Before 2pm Next Working Day
UK Saturday Delivery £30.00 Saturday

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EssentialPhoto is committed to the provision of quality and reliable products and outstanding customer service. Buyers are entitled to cancel the order and return the goods within 28 working days for a full refund of the purchase price of the goods.

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International Delivery Rates

We are able to ship from our UK based warehouses to many countries around the world. Click below to check shipping rates to your country..

Check your country

International Delivery Rates

We are able to ship from our UK based warehouses to many countries around the world. Click below to check shipping rates to your country...

Price-Match Guarantee

Our new price match policy guarantees you the same price as other retailers so you’re alway getting the best deal possible...

How to make a claim

  1. Send us a link for verification
    If you manage to find one of our price matched products cheaper elsewhere, send us the link for verification. you can do this by using live chat, email, or by calling us on 0121 552 3113
  2. Recieve a discount
    If we confirm & verify a legitimate product is cheaper elsewhere we’ll provide you with a dicount code for the difference that you can use at checkout.

Terms & Conditons

The comparison needs to meet the following:

  1. We will match our competitor’s current store or website price - this will apply to a UK based company only, the stock location must be based in the UK (no grey imports).
  2. The competitor’s item must be brand new, identical to ours, and offered on the same terms.
  3. Both PiXAPRO and the competitor must have the product in stock for delivery.
  4. We must be able to verify the competitor’s price and stock position.
  5. We will only match the price of an item - this does not include delivery charges
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