Profoto Off-Camera Kit | Profoto (US)

Profoto Off-Camera Kit

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Off-Camera Kit for Sony US

Product number: 901303-US

The Profoto Off-Camera Kit is simplicity personified. Featuring Profoto Connect; a trigger for flash that's completely button-free. Better still, it's a trigger for that makes the natural and beautiful light from the Profoto A1X more accessible to more image creators than ever before. Slide it to auto; it's point-and-shoot because the correct flash exposure is calculated for you when you press the shutter. Or you can establish a starting exposure in auto, and then slide it over to manual to creatively fine tune it. The Profoto A1X features a round head with a soft, gentle light fall off. You can be creative with light with a range of light shaping tools and a powerful battery delivers 450 flashes-per-charge and fast recycling time. As a result, The Profoto Off-Camera Kit featuring the Profoto Connect and the A1X is a powerful and easy to use combination. Used together with the Profoto app it gives you seamless control and freedom to bring your vision to life. Anytime, anywhere.

Technical specifications

Technical specifications

  • Product name

    Profoto Connect-S for Sony: Profoto Connect for Sony
    A1X AirTTL-S Unit: A1X AirTTL-S Unit

  • Product number

    Profoto Connect-S for Sony: 901312
    A1X AirTTL-S Unit: 901206

Camera compatibility
  • Supported camera models

    Profoto Connect-S for Sony: α99 II
    α7R III
    α7R II
    α7S II
    α7 III
    α7 II
    A1X AirTTL-S Unit: α99 II
    α7R III
    α7R II
    α7S II
    α7 III
    α7 II

Wireless connectivity
  • Frequency band

    Profoto Connect-S for Sony: 2.4 GHz
    A1X AirTTL-S Unit: 2.4 GHz (2404 to 2479.3 MHz)

  • No of sync channels

    Profoto Connect-S for Sony: 20
    A1X AirTTL-S Unit: 20

  • Operating range

    Profoto Connect-S for Sony: Normal flash sync and Remote control up to 300 m (1000 ft). Auto (TTL) and HSS up to 100 m (330 ft).
    A1X AirTTL-S Unit: Normal sync and remote control up to 300 m (1000 ft).
    TTL and HSS up to 100 m (330 ft).

  • Supported Air features

    Flash sync, Remote control, Auto (TTL), High Speed Sync (HSS)

  • Bluetooth


  • Supported Bluetooth features

    Profoto app

  • Firmware upgrade

    Via Bluetooth from Profoto app

  • Sync in

    Camera’s hot shoe

  • Input power supply

    Built-in rechargeable Li-Polymer battery

  • Battery capacity

    Profoto Connect-S for Sony: >30 hours
    A1X AirTTL-S Unit: Up to 450 full power flashes

  • Height

    Profoto Connect-S for Sony: 29 mm (1.14 in)
    A1X AirTTL-S Unit: 10.8 cm (4.25 in)

  • Weight

    Profoto Connect-S for Sony: 43 g (0.09 lbs)
    A1X AirTTL-S Unit: 560 g (1.2 lbs) including battery

  • Diameter

    45 mm (1.77 in)

What's included?

What's included?

A1X AirTTL-S Unit

x 1

USB Cable 2.0 Type A to Micro B

x 1

Battery Charger for A1

x 1

Latest firmware updates


20 November, 2019



Release notes

  • Minor bugfixes from previous version C5. 
  • Mac installer fixed for macOS Catalina. 


30 September, 2019



Release notes

  • "On (Transmit only)" is added to the list of user selectable Air settings. If you are using A1/A1X on camera and activate this setting you can use it to trigger and control other lights on selected channel but your A1/A1X cannot be triggered or controlled by others.
  • Minor bug fixes.


15 May, 2019



Release notes

  • More Air channels are added. Channel 9-20 are added to previous channels 1-8.
  • Redesigned and improved user interface (for the A1).
  • Improved save-settings handling.
  • Various minor fixes.


30 November, 2018



Release notes

Profoto A1 for Canon

  • The update adds camera compatibility with Canon EOS R.
  • Note that EOS R doesn´t support the AF assist on the A1. It will use on-camera LED as AF assist.

Profoto A1 for Nikon

  • The update adds camera compatibility with Nikon Z6 and Z7.
  • Note that Z6 and Z7 doesn't support the AF assist on the A1. They will use on-camera LED as AF assist.

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