Kircuit 13.5V AC/DC Adapter User Manual

1. Introduction

This manual provides essential information for the safe and effective use of your Kircuit 13.5V AC/DC Adapter. This power supply is designed to convert standard AC wall power into the DC power required by compatible QFX Bluetooth rechargeable speakers, including models PBX-615SM, PBX-616, and PBX-616SM. Please read these instructions carefully before use and retain them for future reference.

Important Safety Information

• Always ensure the adapter's voltage and current specifications match your device's requirements.
• Do not expose the adapter to water, moisture, or extreme temperatures.
• Avoid dropping or subjecting the adapter to strong impacts.
• Unplug the adapter from the power outlet when not in use for extended periods.
• Do not attempt to open or repair the adapter. Refer all servicing to qualified personnel.

2. Package Contents

Verify that your package contains the following item:

• 1 x Kircuit 13.5V AC/DC Adapter

3. Setup

Follow these steps to properly set up your AC/DC adapter:

1. Identify the Power Input Port: Locate the DC input port on your QFX Bluetooth rechargeable speaker. This is typically a circular port designed for a barrel plug.
2. Connect to Power Outlet: Plug the AC end of the Kircuit adapter into a standard 100V-240V AC wall power outlet. Ensure the outlet is easily accessible.
3. Connect to Speaker: Carefully insert the barrel plug end of the adapter into the DC input port of your QFX speaker. Ensure a snug and secure connection.

Image: The Kircuit AC/DC adapter with its AC plug inserted into a power strip, illustrating the connection to a power source.

Image: A detailed view of the Kircuit AC/DC adapter, highlighting its barrel plug connector and the approximate 6.5 ft cord length.

4. Operating Instructions

Once the Kircuit AC/DC adapter is correctly connected to both the power outlet and your QFX Bluetooth speaker, the speaker should either power on or begin charging its internal battery. Refer to your QFX speaker's user manual for specific indicators of charging status or power-on confirmation.

• The adapter is designed for continuous use to power your device or to charge its battery.
• The built-in dynamic IC, charger IC, and power fuse provide protection against overcharging and ensure rapid charging.

5. Maintenance

Proper care and maintenance will extend the life of your Kircuit AC/DC adapter:

• Cleaning: Disconnect the adapter from all power sources before cleaning. Use a soft, dry cloth to wipe the exterior. Do not use liquid cleaners or solvents.
• Storage: When not in use, store the adapter in a cool, dry place, away from direct sunlight and excessive heat. Avoid tightly coiling the cable to prevent damage.
• Handling: Always grasp the plug when disconnecting from an outlet or device; do not pull on the cord.

6. Troubleshooting

If you encounter issues with your Kircuit AC/DC adapter, refer to the following common problems and solutions:

No Power to Device / Not Charging

• Check Connections: Ensure both the AC plug and the DC barrel plug are securely inserted into their respective ports.
• Verify Power Outlet: Test the wall outlet with another device to confirm it is functioning correctly. Try a different outlet if necessary.
• Inspect Adapter: Check the adapter's cable and housing for any visible signs of damage (e.g., cuts, bends, frayed wires). If damaged, discontinue use and replace the adapter.
• Device Compatibility: Confirm that your QFX speaker model is listed as compatible with this 13.5V adapter. Incorrect voltage or connector type will prevent proper operation.

Slow Charging

• Speaker Condition: Ensure the speaker's battery is not severely depleted or damaged, which can affect charging speed.
• Environmental Factors: Charging in extremely hot or cold environments can impact efficiency.

7. Specifications

8. Warranty and Support

For warranty information or technical support regarding your Kircuit 13.5V AC/DC Adapter, please contact the seller or manufacturer directly through your purchase platform. Ensure you have your order details and product model number (MKU30C-4) available when seeking assistance.