Xsonic Airstep SPK Manual: A Comprehensive Guide
This manual provides detailed instructions for the AIRSTEP Spk Edition, the ultimate foot controller for Spark amps – 40, MINI, and Go. It’s a resource
for setup, Bluetooth connectivity, and advanced features, ensuring a seamless experience with your XSONIC device.
The Xsonic Airstep SPK Edition represents a significant advancement in foot controller technology, specifically designed to enhance the user experience with Positive Grid’s Spark amplifier series – including the Spark 40, MINI, and Go. This innovative device allows guitarists and musicians to take complete control of their amp settings and effects directly from their feet, fostering greater stage presence and creative freedom.
Unlike traditional foot controllers, the Airstep SPK boasts a streamlined design and intuitive functionality. It’s engineered to seamlessly integrate with the Spark ecosystem, offering a robust set of controls without sacrificing portability. This manual serves as your comprehensive guide, walking you through every aspect of the Airstep SPK, from initial setup and Bluetooth pairing to advanced customization options and troubleshooting.
Whether you’re a seasoned professional or a budding enthusiast, the Airstep SPK empowers you to unlock the full potential of your Spark amp.
What is the Airstep SPK Edition?
The Airstep SPK Edition is a dedicated foot controller meticulously crafted by Xsonic Audio to provide unparalleled control over Positive Grid’s Spark 40, Spark MINI, and Spark Go amplifiers. It’s more than just a remote; it’s an extension of the Spark app, bringing tactile control to your performance and practice sessions.
This edition allows users to navigate presets, adjust tones, and manipulate effects in real-time, all without needing to reach for a computer or mobile device. It features a robust build quality and a user-friendly layout, designed for both stage and studio environments. Beyond amp control, the Airstep SPK also supports Bluetooth MIDI functionality, enabling connectivity with Android’s THR Remote software.
Essentially, the Airstep SPK Edition is a powerful tool for musicians seeking a more immersive and interactive experience with their Spark amplifier.
Key Features and Benefits
The Xsonic Airstep SPK Edition boasts several key features enhancing the user experience. Primary benefits include seamless control of Spark 40, MINI, and Go amps, offering real-time preset switching and tone adjustments. Bluetooth connectivity enables wireless operation and expands compatibility to Android THR Remote for MIDI control.
Users benefit from a streamlined workflow, eliminating the need to interrupt performance to adjust settings via an app. The foot controller’s intuitive design allows for quick and easy navigation, even during live performances. While full preset editing isn’t available directly through the Airstep SPK, all other Spark App functions remain accessible.
Ultimately, the Airstep SPK Edition delivers enhanced control, convenience, and a more engaging musical experience.

Setting Up Your Airstep SPK
This section guides you through the initial setup process, covering unboxing, powering on, and connecting to your Spark amplifier for immediate use and enjoyment.
Unboxing and Initial Inspection
Carefully unpack your AIRSTEP SPK Edition from its packaging. Verify that all components are present: the foot controller itself, a USB-C cable for power and potential updates, and this user manual. Inspect the unit thoroughly for any signs of physical damage incurred during shipping, such as dents, scratches, or broken connectors.
Pay close attention to the pedal surface and ensure all footswitches are securely attached and responsive. Check the USB-C port for any debris or obstructions. If any damage is detected, immediately contact XSONIC support or your retailer. Retain the original packaging for potential returns or warranty claims. Before proceeding, familiarize yourself with the layout of the pedals and controls as depicted in the diagrams within this manual. A quick visual overview will aid in understanding the functionality.
Powering On and Basic Operation
To power on your AIRSTEP SPK Edition, connect the provided USB-C cable to the controller and a suitable USB power source – a USB port on your computer or a USB power adapter. The unit will illuminate, indicating it’s receiving power. Basic operation involves pressing the footswitches to trigger functions within the connected Spark app or amplifier.
Each footswitch is pre-configured for specific actions, but these can be customized (see ‘Advanced Features’). Observe the LED indicators on each switch; they provide visual feedback on the current status and assigned function. Experiment with pressing different switches to understand their default behavior. Ensure the Spark app is disconnected from the amp before powering on the AIRSTEP SPK for initial connection.
Connecting to the Spark 40/MINI/Go Amps
Connecting AIRSTEP Spk Edition to your Spark amp is straightforward. First, power on the Spark amp, and crucially, ensure your Spark App is disconnected from the amp. Next, power on the AIRSTEP SPK. The controller will automatically begin searching for a connection. You’ll observe the connection LED indicator flashing during this process.
Once a connection is established, the LED will become solid, signifying successful pairing. You can then control the Spark amp’s functions directly from the AIRSTEP SPK. Remember that while full functionality is available, preset editing is limited within the Spark App when using the AIRSTEP Spk. Enjoy seamless control over your Spark amp!

Bluetooth Connectivity
AIRSTEP supports Bluetooth pairing with your devices and Bluetooth MIDI for Android THR Remote control. This enables wireless operation and expanded functionality for musicians.
Bluetooth Pairing with Devices
To pair your AIRSTEP with a device, ensure Bluetooth is enabled on your smartphone, tablet, or computer. Power on the AIRSTEP SPK; it will be discoverable. Locate “AIRSTEP” in your device’s Bluetooth settings and select it to initiate the pairing process.
You may be prompted for a pairing code; if so, enter “0000” (four zeros). Once connected, the AIRSTEP’s LED indicator will confirm a successful pairing. Remember that the AIRSTEP can store multiple paired devices, allowing for quick switching between them. For Android THR Remote control, utilize Bluetooth MIDI functionality after successful pairing. This provides a wireless control experience.
Bluetooth MIDI for Android THR Remote
If you intend to control the Android THR Remote software wirelessly, connecting the AIRSTEP via Bluetooth MIDI is essential. After successfully pairing your AIRSTEP SPK with your Android device through standard Bluetooth pairing, open the THR Remote application.
Within the THR Remote settings, navigate to the MIDI input options and select “AIRSTEP” as the input device. This establishes a MIDI connection, enabling the AIRSTEP to send control signals to the application. Ensure the AIRSTEP is powered on and paired before attempting to select it within the app. This feature unlocks remote control capabilities for your THR Remote experience.
Troubleshooting Bluetooth Connections
If you experience difficulties pairing the AIRSTEP SPK, first ensure Bluetooth is enabled on both your device and the pedal. Verify the AIRSTEP isn’t already connected to another device, as it can only maintain one active Bluetooth connection at a time. Try forgetting the AIRSTEP from your device’s Bluetooth settings and re-initiating the pairing process.
Interference from other wireless devices can sometimes disrupt the connection. Move away from potential sources of interference. If problems persist, power cycle both the AIRSTEP and your device. A firmware update for the AIRSTEP might also resolve connectivity issues; check the XSONIC support website for the latest version.

Using the Airstep SPK with the Spark App
While controlling Spark amps, the AIRSTEP Spk Edition allows full Spark App functionality, excluding preset editing capabilities. Connect via the Spark 40 Audio interface.
Functionality Limitations with Preset Editing
It’s important to understand that when utilizing the AIRSTEP Spk Edition in conjunction with the Spark app, a specific limitation exists regarding preset editing. While the foot controller seamlessly integrates with the Spark amp and allows access to a vast array of functionalities within the Spark application, the direct editing of presets through the AIRSTEP Spk itself is not currently supported.
Users can still navigate and select existing presets with ease, and all other parameters and controls within the Spark app remain fully accessible and controllable via the AIRSTEP Spk. However, for creating or modifying presets, users will need to revert to the traditional method of utilizing the Spark app interface directly on a computer or mobile device. This ensures a focused and streamlined experience, prioritizing core control functions through the foot controller.
Step-by-Step Connection Process
To establish a connection between your AIRSTEP SPK Edition and the Spark 40/MINI/Go amp, follow these simple steps. First, ensure the Spark amp is powered on, but critically, that the Spark App is currently disconnected from it. Next, power on the AIRSTEP SPK. Upon activation, you should observe the connection indicator light on the AIRSTEP SPK begin to flash, signifying it’s in pairing mode.

The amp will automatically detect the AIRSTEP SPK and initiate the connection process. Once successfully connected, the indicator light will transition to a solid state, confirming a stable link. This process typically takes only a few seconds. You are now ready to control your Spark amp using the AIRSTEP SPK!
Understanding LED Indicators

The AIRSTEP SPK Edition utilizes LED indicators to communicate its status effectively. A flashing LED signifies that the device is actively searching for a Bluetooth connection or is in pairing mode. Once a successful Bluetooth pairing is established, the LED will illuminate with a solid, consistent light, confirming a stable connection with your device.
When connected to a Spark amp, the LED behavior provides further insight. A solid light indicates a successful connection, while a blinking light may suggest a temporary disconnection or an issue with the connection. Refer to the troubleshooting section if persistent connection problems arise. Understanding these indicators allows for quick diagnosis and efficient operation.

Advanced Features and Controls
Explore customizable pedal assignments, diverse control modes, and expression pedal functionality for enhanced control over your Spark amp and creative musical expression.

Customizing Pedal Assignments
The Airstep SPK Edition allows for extensive customization of pedal assignments, tailoring the controller to your specific performance needs. Users can redefine each pedal’s function, assigning it to various parameters within the Spark app or directly on the amplifier. This includes control over effects, tone settings, and even navigating presets.
Experimentation is key to unlocking the full potential of this feature. Consider assigning frequently used effects to easily accessible pedals for quick adjustments during live performances. Alternatively, map less-used functions to less prominent pedals, streamlining your workflow. Remember to save your custom configurations to avoid losing your personalized settings. The flexibility of pedal assignment ensures the Airstep SPK seamlessly integrates into your unique musical style.
Exploring Different Control Modes
The Airstep SPK Edition offers diverse control modes, expanding its functionality beyond simple pedal assignments. These modes allow for nuanced control over your Spark amplifier and effects. Explore options like “Momentary” for triggering effects on demand, or “Toggle” for switching parameters on and off with each press.
Furthermore, the controller supports multiple control schemes, enabling you to switch between different configurations mid-performance. This is particularly useful for songs requiring varied control setups. Experiment with layering control modes to create complex interactions. Understanding these modes unlocks the Airstep SPK’s full potential, providing a dynamic and responsive performance experience tailored to your individual playing style and musical needs.
Utilizing Expression Pedal Functionality
The Airstep SPK’s expression pedal input dramatically expands your sonic palette, offering real-time control over various amplifier and effect parameters. Assign the expression pedal to control wah, volume swells, delay feedback, or any other compatible parameter within the Spark app.
Calibration is crucial for optimal responsiveness; ensure the pedal’s range aligns with the desired parameter’s sensitivity. Experiment with different curves – linear, logarithmic, or custom – to tailor the expression pedal’s feel to your playing style. This feature allows for expressive performances, adding depth and dynamics to your sound. Mastering expression pedal integration unlocks a new dimension of control and creativity.

Troubleshooting Common Issues
This section addresses connectivity problems, pedal response issues, and guides you through firmware updates and maintenance for your AIRSTEP SPK, ensuring optimal performance.
Connectivity Problems
Experiencing connection difficulties with your AIRSTEP SPK? First, ensure the Spark amp is powered on and the Spark App is disconnected. Power cycle both the AIRSTEP and the amp. Verify Bluetooth is enabled on your device and that the AIRSTEP is discoverable;
If pairing fails, try forgetting the AIRSTEP in your Bluetooth settings and re-pairing. Confirm no other Bluetooth devices are interfering with the connection. When connecting to the Spark 40, ensure you’re within a reasonable range.
For MIDI connectivity with Android THR Remote, confirm the AIRSTEP is connected via Bluetooth. If issues persist, consult the official XSONIC support website or user forums for further assistance and potential troubleshooting steps. A stable connection is crucial for seamless operation.
Pedal Response Issues
If you’re encountering sluggish or inaccurate pedal responses with your AIRSTEP SPK, begin by checking your pedal assignments within the Spark app. Ensure each pedal is correctly mapped to the desired function. Experiment with different control modes to find the optimal setting for your playing style.
Verify the expression pedal is firmly connected and functioning correctly. Calibrate the expression pedal within the app settings for precise control. If the problem persists, a firmware update might resolve compatibility issues.
Consult the XSONIC user group forums for shared experiences and potential solutions. Remember, functionality limitations exist when editing presets directly within the Spark App while using the AIRSTEP.
Firmware Updates and Maintenance
Regular firmware updates are crucial for optimal performance and compatibility of your XSONIC Airstep SPK. Check the official XSONIC support website frequently for the latest updates and detailed installation instructions. Before updating, ensure a stable power supply to prevent interruptions during the process.
Proper maintenance involves keeping the unit clean and free from dust. Avoid exposing the AIRSTEP to extreme temperatures or humidity. Periodically inspect the cables for damage and replace them if necessary.
Back up your custom pedal assignments before updating, as updates may sometimes reset settings. The XSONIC user group forums are a valuable resource for troubleshooting update issues and sharing maintenance tips.

Resources and Support
For assistance, explore the XSONIC User Group Forums and the official XSONIC Support Website. Frequently Asked Questions (FAQ) provide quick answers to common issues.
Xsonic User Group Forums
The XSONIC User Group Forums represent a vibrant community dedicated to the Airstep SPK and other XSONIC products. This platform serves as an invaluable resource for users seeking assistance, sharing tips, and discussing their experiences.
Within the forums, you’ll find threads covering a wide range of topics, from initial setup and troubleshooting to advanced customization and creative applications. Experienced users readily offer guidance, while newcomers can ask questions and receive prompt support.
Keith Sills, a prominent member, actively participates and provides expert advice. The forums are a fantastic place to discover hidden features, learn best practices, and connect with fellow musicians who share your passion for the Airstep SPK. Regularly checking the forums ensures you stay informed about the latest updates and community-driven solutions.
Official Xsonic Support Website
The official XSONIC Support Website is your primary destination for comprehensive assistance regarding the Airstep SPK Edition. Here, you’ll discover a wealth of resources designed to enhance your user experience and resolve any potential issues.
The website hosts detailed product documentation, including frequently updated manuals and quick start guides. These resources cover everything from initial setup and Bluetooth pairing to advanced control customization and troubleshooting common problems.
You can also access a dedicated support ticket system, allowing you to directly contact the XSONIC support team with specific questions or concerns. Expect prompt and professional responses from knowledgeable technicians. Furthermore, the site often features firmware updates and maintenance information, ensuring your Airstep SPK remains optimized for peak performance.
Frequently Asked Questions (FAQ)
Here are some frequently asked questions regarding the Xsonic Airstep SPK Edition. Does the Airstep SPK work with all Spark amps? Yes, it’s compatible with Spark 40, MINI, and Go. Can I edit presets using the Airstep? Unfortunately, preset editing is limited when using the Airstep with the Spark App.
How do I connect via Bluetooth? Ensure your Spark App is disconnected from the amp, then power on the Airstep; it will automatically connect. What if my Bluetooth connection is unstable? Try restarting both the Airstep and your device.
Is there a user group for support? Yes, the XSONIC User Group forums are a great resource. Where can I find firmware updates? Check the official XSONIC Support Website for the latest updates and instructions.