1. Introduction
The FLAMMA FX150B is a versatile guitar multi-effects pedal designed for musicians seeking a wide range of tones and features in a compact, portable unit. It combines 160 effects, 180 preset slots, 30 cabinet simulations, a looper, drum machine, and a touch screen interface, all powered by a rechargeable battery. This manual will guide you through its setup, operation, and maintenance.

2. Package Contents
Please check the package carefully to ensure all items are present:
- 1x FLAMMA FX150B Multi Effects Pedal
- 1x Power Adapter
- 1x USB Connection Cable
- 1x Quick Guide to Products
3. Setup
3.1 Powering On
- Battery Power: The FX150B features a built-in 3000mAh rechargeable battery. Ensure the unit is charged before first use.
- Power Adapter: Connect the included power adapter to the DC IN port on the pedal and then to a suitable power outlet.
- Press and hold the power button until the screen illuminates.
3.2 Basic Connections
Refer to the diagram below for typical connection setups.

- Guitar Input: Connect your guitar to the INPUT jack.
- Audio Output: Connect the OUTPUT jacks to your amplifier, mixer, or audio interface.
- Auxiliary Input: Use the AUX IN jack to connect external audio sources like an MP3 player for practice.
- USB Connection: Connect the FX150B to your computer using the USB cable for firmware updates, tone editing, and using it as a USB Audio Interface.
- Expression Pedal: The FX150B supports an internal expression pedal and an external expression pedal via the EXP2 input for expanded control over effects.

4. Operating Instructions
4.1 Touch Screen Interface
The FX150B features a high-quality touch screen for intuitive navigation and parameter adjustment. Tap icons and drag sliders to modify settings.
4.2 Effects and Presets
The pedal offers 160 unique preloaded effects and amp simulations, organized into 10 effects modules. You can store your customized tones in 180 editable user effect slots.

4.3 Cabinet Simulations
Choose from 30 high-quality cabinet amp emulations to shape your sound further.
4.4 Footswitches
The three footswitches (A, B, C) allow for complex live setups, enabling you to switch between presets, engage/disengage effects, or control the looper/tuner functions.
4.5 Looper & Drum Machine
The FX150B includes a looper with up to 52 seconds of recording capacity and a drum machine with 80 drum patterns and 10 metronome variations. These can be used simultaneously for practice or recording.

4.6 USB Audio Interface
The built-in USB Audio Interface allows you to record directly to your computer or use the pedal as an audio playback device.
4.7 Global EQ Settings
Adjust the global EQ settings to fine-tune the overall output tone of your pedal.
4.8 Editor Software
Connect the FX150B to your computer to use the dedicated editor software. This software allows for:
- Detailed tone editing
- Preset management and organization
- Preset backup and restore
- Firmware updates
- Loading third-party IR (Impulse Response) files

5. Maintenance
5.1 Cleaning
Wipe the unit with a soft, dry cloth. Do not use liquid cleaners or solvents, as they may damage the finish or internal components.
5.2 Battery Care
To prolong battery life, avoid fully discharging the battery frequently. Charge the unit regularly, even if not in use, to maintain battery health. Store the unit in a cool, dry place.
5.3 Firmware Updates
Periodically check the FLAMMA official website for new firmware updates. Updates can be installed using the FX150 Editor Software connected via USB.
6. Troubleshooting
6.1 No Sound Output
- Check all cable connections (guitar input, audio output).
- Ensure the master volume knob is turned up.
- Verify that no effects are bypassed or set to zero volume.
- Test with different cables and amplifiers to isolate the issue.
6.2 Power Issues
- Ensure the power adapter is correctly connected and the outlet is functional.
- If using battery power, check the battery level and recharge if necessary.
- If the unit does not power on, try a different power adapter (if compatible) or contact support.
6.3 Screen Unresponsive
- Restart the unit.
- Ensure the screen is clean and free of debris.
- If the issue persists, contact customer support.
7. Specifications
| Feature | Specification |
|---|---|
| Model Number | FX150B |
| Brand Name | FLAMMA |
| Effects | 160 unique preloaded effects and amp simulations |
| Preset Slots | 180 editable user effect slots |
| Cab Simulations | 30 high-quality cabinet amp emulations |
| Battery | 3000 mAh Rechargeable Battery |
| Looper Capacity | Up to 52 seconds |
| Drum Machine | 80 drum patterns, 10 metronome variations |
| Footswitches | 3 |
| Interface | Touchscreen, USB Audio Interface, Auxiliary input, EXP2 input |
| Certification | CE, FCC |
| Origin | Mainland China |
8. User Tips
- Explore Presets: Spend time exploring the factory presets to understand the range of sounds the FX150B can produce.
- Customize with Software: For deeper tone customization and easier management, utilize the FX150 Editor Software on your computer. This is especially useful for loading third-party IR files.
- Practice with Looper & Drum Machine: Use the integrated looper and drum machine for effective practice sessions, songwriting, and developing your rhythm.
- Experiment with Expression Pedal: Connect an external expression pedal to the EXP2 input to gain real-time control over various effect parameters, enhancing your live performance.
9. Warranty and Support
For warranty information, technical support, or service inquiries, please contact the FLAMMA Official Store or your authorized dealer. Keep your purchase receipt as proof of purchase.