Introduction
This manual provides essential information for the safe and effective use of your PKPOWER AC Adapter Charger. This power supply is designed to provide reliable power and charging capabilities for various QFX portable party speakers. Please read these instructions carefully before use and retain them for future reference.

Image: The PKPOWER AC Adapter Charger, showing its compact design and standard US plug.
Safety Information
To ensure safe operation and prevent damage, observe the following safety guidelines:
- FCC Certified: This charger has passed FCC testing, ensuring compliance with safety standards.
- Built-in Protections: Features Over Voltage Protection (OVP), Over Current Protection (OCP), and Short-circuit Protection (SCP) to safeguard your devices.
- Flame Retardant: Constructed with V-0 grade flame retardant materials for enhanced safety.
- Avoid Water: Do not expose the charger to water or moisture.
- Proper Ventilation: Use the charger in a well-ventilated area to prevent overheating.
- No Disassembly: Do not attempt to disassemble or modify the charger. Refer all servicing to qualified personnel.
- Inspect Regularly: Periodically check the charger and cable for any signs of damage. Discontinue use if damage is observed.
Product Specifications
| Input Voltage | AC 100-240V, 50/60 Hz |
| Output Voltage | DC 9V |
| Output Current | 2 Amps |
| Wattage | 20 Watts |
| Cord Length | 6.6 feet (approximately 2 meters) |
| Plug Type | US Standard (2-pin) |
| Weight | 4 Ounces (approximately 113 grams) |

Image: Visual representation of the power adapter's dimensions, showing its compact size.

Image: Illustration highlighting the durability and flexibility of the power cord, designed for extended use.
Compatibility
This PKPOWER AC Adapter Charger is compatible with a range of QFX portable party speakers, including but not limited to:
- QFX PBX-61138 (12-inch Rechargeable Party Speaker)
- QFX PBX-5
- QFX PBX-8
- QFX PBX-10700
- QFX PBX-2000
- QFX PBX-2100
- QFX PBX-21001
- QFX PBX-2100BL
- QFX PBX-2100RD
- QFX PBX-710700BTL
- QFX PBX-2002 Bluetooth Rechargeable Battery Powered Party PA Speaker Quantum
Always verify the power requirements of your specific speaker model to ensure compatibility with the charger's 9V DC output.

Image: A visual guide illustrating the compatibility of the PKPOWER charger with various QFX portable party speaker models.
Setup
Follow these steps to set up your PKPOWER AC Adapter Charger:
- Unpack: Carefully remove the charger from its packaging.
- Speaker Preparation: Ensure your QFX portable party speaker is turned off before connecting the charger.
- Connect to Speaker: Insert the DC output plug of the charger firmly into the charging port of your QFX speaker.
- Connect to Power Outlet: Plug the AC input end of the charger into a standard 100-240V wall outlet.
- Verify Connection: Confirm that both connections are secure.

Image: The PKPOWER charger connected to a QFX portable party speaker, demonstrating a typical application.
Operating Instructions
Once properly set up, the charger will begin to power or charge your compatible QFX speaker:
- Charging: When connected, the charger will supply power to recharge the speaker's internal battery. Refer to your speaker's user manual for specific charging indicators and estimated charging times.
- Direct Power: The charger can also provide direct power to operate the speaker even if the battery is depleted or removed (if applicable to your speaker model).
- Disconnection: To disconnect, first unplug the charger from the wall outlet, then remove the DC plug from the speaker.

Image: A QFX portable party speaker actively charging with the PKPOWER AC adapter connected to a wall outlet.
Maintenance
Proper care will extend the life of your PKPOWER AC Adapter Charger:
- Cleaning: Use a dry, soft cloth to clean the exterior of the charger. Do not use liquid cleaners or solvents.
- Storage: Store the charger in a cool, dry place away from direct sunlight and extreme temperatures when not in use.
- Cable Care: Avoid sharp bends or kinks in the power cord. Do not place heavy objects on the cable.
- Environmental Conditions: Do not operate the charger in excessively hot, cold, or humid environments.
Troubleshooting
If you encounter issues with your charger, try the following solutions:
- No Power to Speaker:
- Ensure the charger is securely plugged into both the wall outlet and the speaker.
- Try plugging the charger into a different wall outlet to rule out a faulty outlet.
- Check the speaker's power switch and battery status.
- Speaker Not Charging:
- Verify that your speaker model is listed as compatible and requires a 9V DC input.
- Inspect the charger's cable and connectors for any visible damage.
- Ensure the speaker's charging port is clean and free of debris.
- Charger Overheating:
- Immediately disconnect the charger from both the wall and the speaker.
- Ensure the charger is used in a well-ventilated area, not covered by cloths or other materials.
- If overheating persists, discontinue use and contact customer support.
Warranty and Support
Warranty: This PKPOWER AC Adapter Charger comes with a one-year warranty from the date of purchase, covering manufacturing defects.
Customer Support: For any questions, concerns, or technical assistance, please contact PKPOWER customer service. Our dedicated team aims to respond to all inquiries within 24 hours.
You can find more information and contact details on the official PKPOWER store page: PKPOWER Amazon Store