LEKATO JA-05G
LEKATO Mini Electric Guitar Amp JA-05G User Manual
Portable Guitar Amp with Built-in Effects and Bluetooth
Introduction
Thank you for choosing the LEKATO Mini Electric Guitar Amp, model JA-05G. This compact and portable 5W amplifier is designed for electric guitar players seeking a convenient solution for practice and on-the-go playing. It features built-in effects, Bluetooth connectivity for audio playback, and a rechargeable battery, offering versatility and ease of use. Please read this manual thoroughly to understand the product's features and ensure proper operation and maintenance.
Safety Information
- Do not expose the device to rain or moisture to prevent fire or electric shock.
- Do not disassemble or modify the unit. Refer all servicing to qualified personnel.
- Use only the specified charging voltage (5V 2A charger). Using chargers with voltage >5V may damage the product or cause serious consequences.
- Avoid extreme temperatures. Do not operate or store the unit in direct sunlight or near heat sources.
- Keep out of reach of children.
- Clean only with a dry cloth. Do not use liquid cleaners or aerosols.
Product Overview
The LEKATO Mini Electric Guitar Amp JA-05G is designed for intuitive use. Familiarize yourself with its components and controls:

Figure 1: Front view of the LEKATO Mini Electric Guitar Amp JA-05G, showing the speaker grille, control knobs, and input jack.

Figure 2: The compact and portable size of the amplifier, with dimensions of 60mm x 42mm x 105mm and a weight of 141g. The input jack can rotate up to 230 degrees for flexible positioning.

Figure 3: Close-up view demonstrating the 230-degree flexible rotation of the 6.35mm input jack, allowing for optimal positioning when plugged into a guitar.
Controls and Indicators:
- TONE Knob: Adjusts the tonal characteristics of your guitar sound.
- EFFECT Button: Cycles through the four built-in effects: Clean, Distortion, Overdrive, and Reverb. Each effect is indicated by a different LED color.
- VOL Knob: Controls the overall output volume of the amplifier.
- Power Button: Turns the amplifier on or off.
- 6.35mm Input Jack: Standard guitar input. Designed to rotate for convenience.
- USB-C Charging Port: For recharging the internal battery.
Setup
Charging the Amplifier:
Before first use, fully charge the amplifier. A full charge provides approximately 6 hours of use.
- Locate the USB-C charging port on the amplifier.
- Connect the provided USB charging cable to the amplifier's USB-C port.
- Connect the other end of the USB cable to a 5V 2A USB power adapter (not included).
- The charging indicator light will illuminate during charging and turn off when fully charged.

Figure 4: The amplifier being charged via its USB-C port. It features a 1500mAh built-in rechargeable battery, providing up to 6 hours of playtime on a full charge.
Initial Connection:
- Ensure the amplifier is charged.
- Plug the 6.35mm input jack of the amplifier directly into your electric guitar's output jack. Adjust the angle of the amplifier for comfortable playing.
- Press and hold the Power button to turn on the amplifier.
- Adjust the VOL knob to a low setting before playing to avoid sudden loud sounds.

Figure 5: The LEKATO Mini Electric Guitar Amp plugged directly into an electric guitar, demonstrating its plug-and-play functionality for immediate use.
Operating Instructions
Playing Guitar:
Once connected and powered on, you can begin playing your guitar. Adjust the TONE and VOL knobs to achieve your desired sound and loudness.
Using Built-in Effects:
The amplifier features four distinct effects: Clean, Distortion, Overdrive, and Reverb. Press the EFFECT button to cycle through them. The LED indicator will change color to show the active effect:
Green LED: Clean (No effect, natural guitar tone)
Yellow LED: Overdrive (Warm, moderate distortion)
Red LED: Distortion (Aggressive, high-gain sound)
Blue LED: Reverb (Adds spaciousness and echo)

Figure 6: Visual representation of the four classic effects (Clean, Overdrive, Distortion, Reverb) available on the LEKATO Mini Electric Guitar Amp, suitable for various music styles.
Bluetooth Function:
The amplifier can function as a Bluetooth speaker, allowing you to play backing tracks or music from your smartphone or other Bluetooth-enabled devices. This feature does not support Bluetooth headphones or speakers.
- Turn on the amplifier.
- On your Bluetooth device (e.g., smartphone), enable Bluetooth and search for available devices.
- Select "LEKATO JA-05G" (or similar name) from the list to pair.
- Once paired, you can play audio through the amplifier. Adjust the volume on both your device and the amplifier.

Figure 7: The LEKATO Mini Electric Guitar Amp connected wirelessly via Bluetooth to a smartphone, enabling playback of music for accompaniment or as a portable speaker.
Official Product Videos:
Video 1: An overview of the LEKATO Mini Guitar Amp 5W, demonstrating its features and sound capabilities. This video provides a comprehensive look at the product's functionality.
Video 2: A demonstration of the LEKATO Portable Practice Amp for Electric Guitar, highlighting its portability and suitability for practice sessions. It showcases various tones and uses.
Video 3: A detailed look at the LEKATO Mini Plug-in Guitar Amp 5W, focusing on its plug-and-play design and how it integrates seamlessly with an electric guitar for instant sound.
Maintenance
- Cleaning: Wipe the amplifier with a soft, dry cloth. Do not use abrasive cleaners, waxes, or solvents.
- Storage: When not in use for extended periods, store the amplifier in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Recharge the unit periodically if stored for a long time.
- Handling: Handle the amplifier with care. Avoid dropping it or subjecting it to strong impacts.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound from amplifier. |
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| Poor sound quality / Static. |
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| Bluetooth not connecting. |
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Specifications
- Model: JA-05G
- Output Wattage: 5 Watts
- Compatible Devices: Electric Guitar
- Effects: Clean, Distortion, Overdrive, Reverb
- Connectivity: 6.35mm Jack (Input), Bluetooth Audio Function
- Power Source: Battery Powered (Rechargeable Lithium Ion)
- Battery Capacity: 1500mAh (approx. 6 hours playtime)
- Charging: USB-C, 5V 2A recommended
- Material: Plastic, Metal
- Color: Black
- Product Dimensions: 2 x 4.7 x 4.7 inches (approx. 50.8 x 119.4 x 119.4 mm)
- Item Weight: 7.7 ounces (approx. 218 grams)
- Country of Origin: China
Warranty and Support
Warranty Information:
LEKATO products are manufactured to the highest quality standards. This product comes with a limited warranty against defects in materials and workmanship. Please retain your proof of purchase for warranty claims. For specific warranty terms and conditions, please refer to the warranty card included in your product packaging or visit the official LEKATO website.
Customer Support:
If you encounter any issues or have questions regarding your LEKATO Mini Electric Guitar Amp, please contact our customer support team. You can find contact information on the official LEKATO website or through your retailer's support channels. Please have your model number (JA-05G) and purchase details ready when contacting support.
Official LEKATO Store: Visit the LEKATO Store on Amazon