HZPOWEN 8541760665
Instruction Manual for HZPOWEN AC/DC Adapter
Model: 8541760665
1. Product Overview
This HZPOWEN AC/DC Adapter is designed as a replacement power supply for various Blackstar Fly 3 and Fly 103 series amplifiers and Bluetooth speakers. It provides stable and reliable power, ensuring optimal performance for your compatible devices. The adapter is built with multiple safety features to protect both the adapter and your connected equipment.

Image 1.1: The HZPOWEN AC/DC Adapter with its power cord and barrel connector.
2. Key Features
- Certified Quality: CE / FCC / RoHS certified, ensuring compliance with safety and environmental standards.
- Optimized Performance: Tested by the manufacturer to match and/or exceed OEM specifications for reliable power delivery.
- Input Voltage: AC 100-240V, 50/60Hz, suitable for global use.
- Output Voltage: DC 6.5V, 2A, providing consistent power to compatible devices.
- Cable Length: Approximately 5 feet (1.5 meters) for convenient placement.
- Connector Type: Standard barrel connector with 2.1mm inner diameter and 5.5mm outer diameter.

Image 2.1: Detailed view of the adapter's input (100-240V) and output (6.5V-2A) specifications.
2.1. Multiple Protection Design
The adapter incorporates several protection mechanisms to safeguard your devices:
- Over Voltage Protection: Prevents damage from excessive voltage.
- Over Current Protection: Protects against current surges.
- Short Circuit Protection: Automatically shuts off power in case of a short circuit.
- Temperature Protection: Guards against overheating.

Image 2.2: Visual representation of the adapter's multiple protection features.
3. Compatibility
This AC/DC adapter is specifically designed to be compatible with the following Blackstar amplifier and speaker models:
- Blackstar Fly 3 Bass Amplifier
- Blackstar Fly 3 Guitar Amplifier
- Blackstar Fly 103 Guitar Bluetooth Speaker
- Compatible with PSU1FLY, PSU-1, and SW10-06501500-W power supply specifications.
Important Note:
Always verify the input voltage and connector specifications of your device before connecting any power adapter. This HZPOWEN adapter provides a 6.5V DC output. Ensure your Blackstar device requires 6.5V for optimal and safe operation.

Image 3.1: Examples of compatible Blackstar Fly 3 Guitar and Bass amplifiers.
4. Setup Instructions
Setting up your HZPOWEN AC/DC adapter is a straightforward process:
- Inspect the Adapter: Before use, visually inspect the adapter and its cable for any signs of damage. Do not use if damaged.
- Connect to Device: Locate the power input jack on your Blackstar amplifier or speaker. Carefully insert the barrel connector of the HZPOWEN adapter into this jack. Ensure a snug fit.
- Connect to Power Outlet: Plug the AC prongs of the adapter into a standard wall power outlet (AC 100-240V).
- Power On Device: Once connected, you can power on your Blackstar device.

Image 4.1: An example of the adapter connected to a Blackstar amplifier during use.
5. Operating Guidelines
The HZPOWEN AC/DC adapter operates automatically once connected. Observe the following guidelines for safe and effective use:
- Do not expose the adapter to water, moisture, or extreme temperatures.
- Avoid placing the adapter in poorly ventilated areas during operation to prevent overheating.
- Do not attempt to disassemble or modify the adapter. This will void the warranty and could be dangerous.
- Unplug the adapter from the wall outlet when not in use for extended periods.
- Always pull by the plug, not the cord, when disconnecting from the wall outlet.
6. Maintenance
Proper maintenance ensures the longevity and safe operation of your adapter:
- Cleaning: Disconnect the adapter from all power sources before cleaning. Use a soft, dry cloth to wipe the surface. Do not use liquid cleaners or aerosols.
- Storage: Store the adapter in a cool, dry place away from direct sunlight and extreme temperatures when not in use. Avoid tightly coiling the cable to prevent damage.
- Cable Care: Regularly check the cable for any cuts, fraying, or kinks. If damage is observed, discontinue use immediately and replace the adapter.
7. Troubleshooting
If you encounter issues with your HZPOWEN AC/DC adapter, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. |
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| Adapter feels hot. |
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| Device powers on but behaves erratically. |
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8. Specifications
| Attribute | Value |
|---|---|
| Brand | HZPOWEN |
| Model Number | 8541760665 |
| Input Voltage | AC 100-240V, 50/60Hz |
| Output Voltage | DC 6.5V |
| Output Current | 2A (2000mA) |
| Wattage | 10 watts |
| Connector Type | Barrel Connector (2.1mm inner, 5.5mm outer) |
| Cable Length | 5 feet (approx. 1.5 meters) |
| Item Weight | 2.39 ounces |
| Package Dimensions | 3.9 x 3.1 x 2.1 inches |
| Certifications | CE / FCC / RoHS |

Image 8.1: Diagram showing the barrel connector dimensions (5.5mm outer, 2.1mm inner) and polarity.
9. Warranty and Support
HZPOWEN stands behind the quality of its products. For any questions, concerns, or technical assistance regarding your AC/DC adapter, please contact HZPOWEN customer support through the retailer's platform or the official HZPOWEN website. Please retain your proof of purchase for warranty claims.
This product is manufactured by HZPOWEN.
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