Introduction
The SONICAKE Amphonix QAP-10 is a portable, rechargeable plug-in headphone amplifier designed for electric guitars. It features multiple built-in effects, including clean, overdrive, distortion, modulation, delay, and reverb, allowing for versatile tone shaping. With Bluetooth audio and an auxiliary input, it provides a convenient solution for silent practice and jamming along with backing tracks.

Figure 1: SONICAKE Amphonix QAP-10 Guitar Headphone Amplifier
This image displays the compact, black SONICAKE Amphonix QAP-10 headphone amplifier with its 1/4-inch jack plugged in, showing the illuminated effect indicators.
Setup
Charging the Device
The Amphonix QAP-10 is USB-rechargeable and provides up to 5 hours of continuous operation on a full charge. Use the included USB charging cable to connect the device to a standard USB power source (e.g., computer USB port, USB wall adapter).

Figure 2: Charging the Amphonix QAP-10
This illustration shows the Amphonix QAP-10 being charged via a USB cable, highlighting its 5-hour battery life.
Connecting to Your Guitar and Headphones
- Plug the 1/4-inch jack of the Amphonix QAP-10 directly into your electric guitar's output jack.
- Connect your wired headphones to the headphone output jack on the Amphonix QAP-10.
- To use an external audio source, connect it to the AUX input jack.

Figure 3: Connecting the Amphonix QAP-10
This image shows the Amphonix QAP-10 connected to a guitar and headphones, illustrating the various input and output ports.
Bluetooth Pairing
The Amphonix QAP-10 supports Bluetooth audio input for playing along with backing tracks. To pair:
- Turn on the Amphonix QAP-10. The Bluetooth indicator light will flash.
- On your smartphone or computer, enable Bluetooth and search for available devices.
- Select "Amphonix" from the list to pair. Once paired, the Bluetooth indicator light will become solid.
- Audio from your paired device will now play through your headphones along with your guitar signal.
Video 1: Sonicake Amphonix Bluetooth headphone guitar amplifier overview
This video demonstrates the features and connectivity of the Sonicake Amphonix, including its Bluetooth capabilities for playing along with music.
Operating the Amplifier
The Amphonix QAP-10 features intuitive controls for adjusting your tone and effects.
Controls Overview

Figure 4: Amphonix QAP-10 Controls
This image highlights the four control dials (Volume, Tone, Gain, FX) and the effect module buttons on the Amphonix QAP-10.
- Volume: Adjusts the overall output volume to your headphones.
- Tone: Shapes the tonal characteristics, from darker to brighter sounds.
- Gain: Controls the amount of distortion or overdrive.
- FX: Adjusts the intensity or parameter of the selected effect.
- AMP/MOD/DLY/RVB Buttons: Press these buttons to cycle through the different amplifier models and effect types within each module. The illuminated LEDs indicate the currently selected setting.
Amplifier and Effect Modules
The Amphonix QAP-10 features 6 AMP modules and 18 effects across Modulation (MOD), Delay (DLY), and Reverb (RVB) modules. These can be used simultaneously.

Figure 5: Effect Module Indicators
This image shows the illuminated AMP, MOD, DLY, and RVB indicators on the Amphonix QAP-10, signifying active effect modules.
| Module | Color | Name | Description / Based On |
|---|---|---|---|
| AMP | Green | Clean 1 | Fender Bassman* |
| Blue | Clean 2 | Legendary Jazz Amp* | |
| Red | Overdrive 1 | Orange Rockerverb 50* | |
| Cyan | Overdrive 2 | Marshall JCM 800* | |
| Yellow | Distortion 1 | Mesa/Boogie Dual Rectifier* | |
| Pink | Distortion 2 | ENGL Powerball II* | |
| MOD | Green | Chorus | Produces a vintage chorus sound |
| Blue | Rotary | Produces a rotary speaker sound | |
| Red | Tremolo | Produces a classic optical tremolo sound | |
| Cyan | Vibrato | Produces a natural vibrato sound | |
| Yellow | Flanger | Produces a classic flanger tone | |
| Pink | Phaser | Produces a bright, sharp phasing tone | |
| DLY | Green | Warm Echo | Produces a warm, vintage analog-voicing delay effect |
| Blue | Pure Echo | Produces a pure, accurate delay effect | |
| Red | Tape Echo | Simulates the echo tone from a tape machine | |
| Cyan | Mod Echo | Produces a pure delay with a chorus effect | |
| Yellow | Dark Echo | Produces a smooth, mellow delay effect | |
| Pink | Slapback | Simulates the classic slapback echo tone | |
| RVB | Green | Studio | Simulates the acoustics of a studio |
| Blue | Room | Simulates the acoustics of a room | |
| Red | Hall B | Simulates the acoustics of a hall with brighter decay | |
| Cyan | Hall D | Simulates the acoustics of a hall with darker decay | |
| Yellow | Church | Simulates the acoustics of a church | |
| Pink | Plate | Simulates a plate reverberator |
*The manufacturers and product names mentioned above are trademarks or registered trademarks of their respective owners. The trademarks were used merely to identify the sound character of the products.
Video 2: Pocket Guitar Amplifier with Bluetooth Multi-Effects demonstration
This video showcases the various amplifier models and multi-effects available on the SONICAKE Amphonix, demonstrating their sonic capabilities.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the device. Avoid using abrasive cleaners or solvents.
- Storage: Store the Amphonix QAP-10 in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the device frequently. Recharge it regularly, even if not in use for extended periods.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound from headphones. | Headphones not fully plugged in; low battery; incorrect volume setting; device not powered on. | Ensure headphones are securely connected. Charge the device. Increase the Volume knob. Press the power button to turn on. |
| Sound is distorted or unclear. | Gain or Volume set too high; incorrect effect setting; low battery. | Reduce Gain or Volume. Adjust effect settings. Charge the device. |
| Bluetooth pairing issues. | Device not in pairing mode; "Amphonix" not selected; interference. | Ensure the Bluetooth indicator is flashing. Re-scan for devices on your phone/computer. Move closer to the device. |
| No sound after turning on (requires gain adjustment). | Specific device behavior or setting. | As noted by some users, try slightly adjusting the Gain knob after powering on to activate the sound. |
| Constant buzzing/hissing sound. | Interference; high gain setting; faulty cable/headphones. | Try different headphones or cables. Reduce the Gain setting. Ensure no strong electromagnetic interference sources are nearby. |
Specifications
| Feature | Detail |
|---|---|
| Brand | SONICAKE |
| Model Number | QAP-10 |
| Item Weight | 2.22 ounces |
| Product Dimensions | 1.61 x 5.16 x 4.65 inches |
| Country of Origin | China |
| Batteries | 1 Lithium Polymer battery required |
| Color | Black |
| Compatible Devices | Guitar |
| Connector Type | Plug-in |
| Material Type | Metal |
| Output Wattage | 5 Watts |
| Power Source | Battery Powered |
Warranty and Support
For detailed warranty information, please refer to the documentation included with your product or contact SONICAKE customer support directly. Protection plans may be available for purchase separately.
Additional support resources:
- Official User Manual (PDF): Download PDF
- Visit the SONICAKE Store: SONICAKE Amazon Store





