Introduction
The Flatsons KE1 is a versatile multi-effects guitar pedal designed for musicians seeking a comprehensive and portable solution for their sound. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your KE1 pedal to ensure optimal performance.
Setup
Package Contents
Your Flatsons KE1 package should include:
- KE1 Multi-Effects Guitar Pedal
- Owner's Manual
- AC Power Adapter
- USB-C Cable
Physical Connections
Connect your KE1 pedal using the following ports:
- AUX IN: Connect external audio sources for backing tracks or practice.
- INPUT: Plug in your guitar.
- OUTPUT/HEADPHONE: Connect to an amplifier or headphones for monitoring.
- USB: Use the USB-C port for computer connection (firmware updates, app control, recording).
- DC 9V 500mA: Connect the provided AC power adapter.

Image: Diagram illustrating the various input and output ports on the Flatsons KE1 pedal, including AUX IN, INPUT, OUTPUT/HEADPHONE, USB-C, and DC 9V power input. Dimensions of the pedal are also shown.
Software Installation
To unlock the full potential of your KE1 pedal, download the companion application:
- iOS/Mac: Download from the Apple App Store.
- Android: Download from Google Play.
- Windows: Refer to page 12 of the included owner's manual for download instructions.
Mobile devices support wireless connection to the app, while computers require a Type-C cable connection.

Image: The KE1 pedal connected to various devices (PC, Mac, iOS, Android) demonstrating the app interface for creating and editing presets, importing IR/AMX files, and community sharing.
Operating Instructions
Basic Controls and Display
The KE1 features an intuitive interface with footswitches, control knobs, and an LCD screen for easy navigation and effect management.
- Footswitches: Four customizable footswitches allow for real-time preset switching.
- Control Knobs: Adjust parameters for various effects.
- LCD Screen: Displays current preset, effect settings, and tuner information.

Image: A guitarist playing with the Flatsons KE1 pedal, emphasizing its core features: 61 effects, 36 editable presets, and 6 effect modules (FX, AMP, MOD, DELAY, REVERB).
Multi-Effects and Presets
The KE1 integrates 61 high-quality effects across 6 versatile modules: FX, AMP, Modulation, Delay, Reverb, and IR CAB. It offers 36 editable presets that can be customized, swapped, and shared via the app.
- Selecting Presets: Use the footswitches to cycle through the 36 available presets.
- Editing Effects: Access the app or computer software to fine-tune individual effect parameters within each module.
- Third-Party IR & AMX: Load custom IR CAB files and AMP tones for expanded tonal options.

Image: A guitarist using the Flatsons KE1 pedal with headphones, demonstrating the ability to load third-party IR and AMX files via a computer interface to design unique amp and effect sounds.
App Control and Recording
Control your KE1 pedal wirelessly via the mobile app or through USB-C connection to your computer.
- USB OTG Recording: Supports hi-fi recording directly to your mobile device or computer.
- Loopback Function: Record multitrack or mix on one track, ideal for practice and live streaming.
- Wireless Backing Track: Play along with backing tracks from your mobile device.
- Headphone Monitoring: Practice silently using headphones connected to the OUTPUT/HEADPHONE jack.

Image: A woman playing a blue electric guitar, connected to the Flatsons KE1 pedal, which is then connected to a smartphone on a tripod for real-time OTG audio recording with loopback functionality.
Built-in Tuner
The KE1 includes a precise built-in tuner for accurate instrument tuning.
Video: How to Use the KE1 Multi-Effects Pedal?
Video: An official FlatsonsDirect video demonstrating the various functions and controls of the KE1 Multi-Effects Pedal, including how to navigate effects, use the tuner, and other operational aspects.
Video: Simple to use, complex to master, which is a good thing (Overview)
Video: A short preview video providing an unboxing and initial overview of the Flatsons KE1 Multi-Effects Pedal, showcasing its physical features, ports, and basic functionality like presets, drum machine, looper, and tuner.
Maintenance
Battery Information
The KE1 pedal is equipped with a built-in 1200mAh rechargeable Lithium Ion battery, providing up to 6 hours of playtime.
- Charging: Use the provided USB-C cable and AC power adapter to charge the pedal.
- Battery Life: A full charge offers approximately 6 hours of continuous use.

Image: A detailed diagram illustrating the internal 1200mAh rechargeable battery of the Flatsons KE1 pedal, its USB-C charging port, and the estimated 6 hours of runtime.
Troubleshooting
If you encounter any issues with your Flatsons KE1 pedal, please refer to the following common solutions or contact customer support.
- No Sound:
- Ensure all cables (guitar input, output to amp/headphones) are securely connected.
- Check the pedal's power status and battery level.
- Verify that the volume knob on the pedal and your amplifier/headphones is turned up.
- App Connectivity Issues:
- For mobile devices, ensure Bluetooth is enabled and the pedal is paired.
- For computers, ensure the USB-C cable is properly connected and the application is launched.
- Refer to page 12 of the manual for specific Windows software installation details.
- Unexpected Effects/Sounds:
- Check the currently selected preset and individual effect settings within the app.
- Perform a factory reset if custom settings are causing issues (refer to the owner's manual for instructions).
Specifications
| Feature | Detail |
|---|---|
| Model Number | KE1 |
| Dimensions (L x W x H) | 9.25" x 1.97" x 1.57" |
| Item Weight | 1.08 pounds |
| Color | Blue-gray |
| Effects Modules | 6 (FX, AMP, Modulation, Delay, Reverb, IR CAB) |
| Total Effects | 61 |
| Presets | 36 editable slots |
| Sampling Rate | 44.1kHz/24-bit |
| Dynamic Range | 105dB |
| IR Simulation | 1024-point IR for amps and cabinets |
| Battery Type | 1200mAh Lithium Ion (included) |
| Battery Runtime | Up to 6 hours |
| Power Source | Battery Powered / DC 9V |
| Hardware Interface | USB Type C |
| Signal Format | Digital |
Warranty & Support
Flatsons is committed to your satisfaction. Your KE1 Multi-Effects Guitar Pedal comes with:
- 12-Month Product Guarantee: Covers manufacturing defects and malfunctions.
- Expert Technical Support: Available for the lifetime of the product.
- 24/7 Customer Service: For any inquiries or assistance.
- Amazon 30-Day Easy Swap Policy: For hassle-free returns or exchanges.
For support, please contact Flatsons customer service directly.

