XSONIC AIRSTEP Kat EX Edition Smart MIDI Controller Footswitch

£99.99

On the menu for January 2026 are the XSONIC Guitar Pedals, freshly added and carefully selected. These New units are available to order online with fast, secure delivery from trusted UK retailers. Read on for full details, specifications, demos, videos, reviews, and the best places to buy the XSONIC Guitar Pedals today.


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Description

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On the menu for January 2026 are the XSONIC Guitar Pedals, freshly added and carefully selected. These New units are available to order online with fast, secure delivery from trusted UK retailers. Read on for full details, specifications, demos, videos, reviews, and the best places to buy the XSONIC Guitar Pedals today.

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

Category

Guitar Pedals

Tags

EQ

While Ed Sheeran primarily relies on the natural sound of his acoustic guitar and vocals, he occasionally uses EQ (Equalization) to shape and enhance his tone during live performances or in the studio. EQ pedals or onboard preamps can allow him to adjust the frequency response of his guitar signal to suit the acoustics of different venues or to achieve specific tonal characteristics. Here’s how EQ might be utilized in Ed Sheeran’s setup:

1. **Tonal Shaping**: EQ can be used to adjust the balance of frequencies in the guitar signal, allowing Ed Sheeran to shape his tone to his liking. For example, he might boost the midrange frequencies to bring out the warmth and presence of his acoustic guitar, or cut certain frequencies to reduce any harshness or mud in the sound.

2. **Feedback Control**: In a live setting, EQ can help control feedback by notching out problematic frequencies that might cause the guitar signal to feed back through the amplification system. This can be particularly useful when performing in venues with challenging acoustics or high volume levels.

3. **Room Correction**: In situations where the venue’s acoustics are less than ideal, EQ can be used to compensate for any deficiencies in the sound. By adjusting the EQ settings, Ed Sheeran can tailor the guitar tone to sound more balanced and natural, regardless of the room’s acoustic properties.

4. **Matching Gear**: EQ can also be used to match the tone of Ed Sheeran’s guitar to the sound of other instruments or equipment in his setup. For example, he might adjust the EQ to complement the tonal characteristics of his vocal microphone or to blend seamlessly with backing tracks or other instruments.

Overall, while EQ may not be a central component of Ed Sheeran’s guitar effects setup, it can still play a valuable role in shaping his tone and ensuring that he achieves the desired sound in different performance environments. Whether used subtly for tonal shaping or more aggressively for feedback control, EQ allows Ed Sheeran to tailor his guitar tone to suit his musical vision and performance needs.

Expression

Expression pedals allow real-time control over specific parameters on compatible guitar pedals, such as volume, delay time, modulation depth, or filter sweep. Used with an expression input, they let players shape effects dynamically with their foot, adding movement and performance control that cannot be achieved with fixed knob settings.

MIDI

MIDI pedals use the Musical Instrument Digital Interface standard to communicate with other guitar pedals, effects units, and hardware. They allow control over presets, parameters, and switching across multiple devices from a single controller. MIDI integration makes it possible to build complex, synchronised pedal setups while keeping control simple and consistent.

New

This is brand new, fresh in, and a UK warranty is included. New Gear always comes from trusted UK music retailers.

Pitch

Pitch pedals alter the frequency of your guitar signal, changing the perceived note or adding harmony. They can shift notes up or down by fixed intervals, create harmonies, or produce dive-bomb and whammy-style effects without a tremolo arm. Pitch shifters and harmonisers are great for thickening solos, simulating multiple guitars, or experimenting with creative, otherworldly sounds that expand your tonal range.

Volume

Volume pedals control the output level of a guitar signal using a foot-operated treadle. They allow smooth volume swells, dynamic control during playing, and easy muting between songs. Volume pedals can be placed at different points in the signal chain to either control overall loudness or adjust gain and drive behaviour when positioned before distortion or overdrive pedals.

Wah

Wah refers to an expressive filter effect that sweeps through a range of frequencies, creating a vocal-like “wah” sound. Controlled in real time with a foot-operated treadle, it allows players to emphasise different parts of the frequency spectrum as they play. Wah pedals are commonly used for lead guitar, funk rhythm work, and expressive solos, responding closely to picking dynamics and foot movement.

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