XSONIC AIRSTEP Kat EX Edition Smart MIDI Controller Footswitch

Retailing in the region of £99.99

The XSONIC Guitar Pedals always come out on top. This is New is in stock and ready to post out to you, with fast, reliable delivery straight to your door. For more New Guitar Pedals options, read on for full specifications, demos, and secure online ordering. AIRSTEP Kat EX offers versatile hands-free control with Channel Mode for switching amp channels and Effect Mode for toggling effects, tap tempo, and effect types. Dual Press enables extra customizable functions, and the unique GA-FC Expand Mode allows it to work alongside the BOSS GA-FC, unlocking advanced control that the GA-FC alone can’t provide.…

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Description

The XSONIC Guitar Pedals always come out on top. This is New is in stock and ready to post out to you, with fast, reliable delivery straight to your door. For more New Guitar Pedals options, read on for full specifications, demos, and secure online ordering.

AIRSTEP Kat EX offers versatile hands-free control with Channel Mode for switching amp channels and Effect Mode for toggling effects, tap tempo, and effect types. Dual Press enables extra customizable functions, and the unique GA-FC Expand Mode allows it to work alongside the BOSS GA-FC, unlocking advanced control that the GA-FC alone can’t provide. Whether or not you already own a GA-FC, Kat EX gives you more power and flexibility to control your KATANA amp.

Key Features

  • Hands-free switch channels, toggle effects, control effect types, and tap tempo, compatible with all KATANA models including Gen3, MkII & MkI.
  • Wireless tone editing via the BTS App for iOS & Android — no BT-Dual Adapter needed for Gen3, and the only wireless option for MkII and MkI.
  • 2 expression pedal inputs for real-time control, assign functions freely in the BTS app.
  • Use alongside your GA-FC, exclusive GA-FC Expand Mode unlocks extra control.
  • Plug and play with zero setup. The best footswitch solution for every KATANA user — especially KATANA 50.

Edit Your Tone Wirelessly, Anywhere.

With AIRSTEP Kat EX, you can wirelessly edit your KATANA settings anytime, anywhere using the BTS App — no need to connect to a computer. For Gen3 users, it works seamlessly with the KATANA Gen 3 mobile App or the third-party Katana Librarian app, without requiring the BOSS BT-Dual Adapter. If you’re using a MkII or MKI model, you can use the KATANA-AIR App or Katana Librarian (recommended for full control).

Dual Expression Pedal Inputs

AIRSTEP Kat EX features two expression pedal inputs, you can assign them to control any parameter on your KATANA amp in real time — volume, wah, pitch, and more. Simply set your preferred function in the BTS App and shape your tone with your feet.

Unlock What GA-FC Can’t

AIRSTEP Kat EX offers more power and flexibility than the GA-FC alone. If you already own a BOSS GA-FC Footswitch, combining it with AIRSTEP’s GA-FC Expand Mode and wireless BTS App control unlocks the full potential of your KATANA amplifier — going far beyond what the GA-FC can do on its own.

Specifications

  • Compatible all KATANA models, including KATANA 50/50EX/100/Head/Artist Gen3 & MkII & MkI
  • Hands-free switching of channels and toggling of effects
  • Wireless amp editing via the BTS App — no computer or BT-Dual Adapter required
  • Change effect types (color) and tap tempo with a footswitch
  • Two expression pedal inputs for real-time control of volume, wah, pitch, or any assignable parameter via the BTS App
  • Programmable footswitches for Solo, Pedal FX, EQ, Send/Return, Bank, Delay2, and more
  • Dual Press function enables extra customizable control
  • Works simultaneously with the BOSS GA-FC footswitch
  • Exclusive GA-FC Expand Mode unlocks functions the GA-FC can’t
  • Unlocks all five effects simultaneously on MkI models
  • Firmware upgradeable to stay in sync with BOSS updates
  • Built-in rechargeable battery with up to 15 hours of use
  • Rugged extruded aluminum housing for stage and studio durability
  • 30 meters (100′) wireless communication range
  • Battery powered and rechargeable by 5V – 9V DC@500mA
  • Weight: 650g
  • Dimensions: 300 x 70 x 45(H) mm

Additional information

Weight 0.8 kg

About the manufacturer

XSonic

XSonic are known for making standout effects pedals and more. Founded with a passion for tone and innovation, their gear has shaped countless records and players’ sounds. Look out for their iconic designs and flagship models — they’ve earned a reputation for reliability and creativity.

More info about this Product

Guitar Pedals

Guitar pedals are compact effects units that shape and enhance a guitar’s sound, sitting between the instrument and the amplifier. They include gain pedals like overdrive and distortion, modulation effects such as chorus and tremolo, time-based effects like delay and reverb, and essential utilities including tuners, compressors and loopers. Understanding basic things such as pedal type, signal order, power requirements and intended use helps players choose pedals that suit their style, setup and playing environment.

More Gear like this

Controller

A controller is a device used to send control information to other equipment without generating sound on its own. It allows parameters such as notes, effects, presets, or levels to be adjusted remotely, often using footswitches, knobs, sliders, or keys.

Controllers are widely used in modern music setups to manage pedals, processors, synthesizers, and software. They enable complex systems to be operated easily and consistently, especially in live performance and studio environments where hands-free or centralised control is needed.

Footswitch

A footswitch is a hands-free control used to activate, bypass, or change functions on amplifiers, pedals, and other music equipment. It allows players to switch channels, engage effects, or trigger features while continuing to play.

Footswitches are essential for live performance, providing quick and reliable control underfoot. They can range from simple single-button switches to multi-button controllers that manage complex setups and presets.

MIDI

MIDI is a digital communication standard that allows electronic instruments, controllers, and audio equipment to send and receive performance data rather than audio signals. This data includes information such as note on and off messages, pitch, velocity, control changes, and timing, enabling different devices to work together in sync.

In music gear, MIDI is used to control synthesizers, drum machines, effects units, and software from keyboards, pedals, or computers. It allows complex setups to be automated and coordinated, making it essential for studio production, live performance, and modern electronic and hybrid music rigs.

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