Product Overview
This manual provides instructions for the HZPOWEN 9V AC Adapter, designed to power compatible DigiTech musical equipment. Please read this manual thoroughly before use to ensure proper operation and safety.

Image: The HZPOWEN 9V AC Adapter, showing the main unit and the attached power cord with a barrel connector.
Key Features:
- Input: AC 100-240V, 50/60Hz
- Output: DC 9V, 2A
- Safety Protections: Overload Protection, Temperature Control, Short Circuit Protection
- Compatibility: Specifically designed for DigiTech Vocalist Live 2, Vocalist Live 3, Vocalist Live 3D, and Whammy 4 Guitar Multi Effects Pedals.
Safety Information
Always observe the following safety precautions to prevent injury or damage to the adapter or connected devices:
- Use the adapter only indoors.
- Ensure the voltage and current ratings of your device match the adapter's output specifications (9V DC, 2A).
- Do not expose the adapter to water or excessive moisture.
- Avoid dropping or subjecting the adapter to strong impacts.
- Do not attempt to disassemble or modify the adapter.
- Unplug the adapter from the power outlet when not in use for extended periods.

Image: The HZPOWEN adapter highlighting its multiple protection features: Over Voltage Protection, Over Current Protection, Short Circuit Protection, and Temperature Protection.
Setup
- Verify Compatibility: Confirm that your device requires a 9V DC power supply with a 2A (or less) current rating and a compatible barrel connector. The adapter features a 5.5mm outer diameter and 2.5mm inner diameter barrel connector with center negative polarity.
- Connect to Device: Insert the barrel connector end of the adapter cable into the power input jack of your DigiTech pedal.
- Connect to Power Outlet: Plug the adapter's AC prongs into a standard wall power outlet (100-240V AC).
- Power On: Once connected, your device should receive power.

Image: A diagram illustrating the dimensions of the barrel connector (5.5mm outer, 2.5mm inner) and its center negative polarity.
Operating Instructions
The HZPOWEN 9V AC Adapter is designed for straightforward operation. Once properly connected, it continuously supplies power to your compatible device.
- Ensure all connections are secure before powering on your device.
- The adapter is designed for continuous use within its specified operating parameters.
- If your device has a power switch, use it to turn the device on or off. The adapter itself does not have an on/off switch.
Maintenance
Minimal maintenance is required for this power adapter.
- Cleaning: Disconnect the adapter from the power outlet and the device 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 extreme temperatures. Avoid tightly coiling the cable to prevent damage.
- Inspection: Periodically inspect the cable and connector for any signs of wear, cuts, or damage. If damage is observed, discontinue use and replace the adapter.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. |
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| Device powers on but functions erratically. |
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| Adapter feels excessively hot. |
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Specifications
| Model Number | HZPOWEN-9VAC-2A |
| Input Voltage | AC 100-240V, 50/60Hz |
| Output Voltage | DC 9V |
| Output Current | 2 Amps |
| Wattage | 15 Watts |
| Connector Type | Barrel Connector (5.5mm Outer Diameter, 2.5mm Inner Diameter) |
| Polarity | Center Negative |
| Special Features | Overload Protection, Temperature Control, Short Circuit Protection |
| Compatible Devices | DigiTech Vocalist Live 2, Vocalist Live 3, Vocalist Live 3D, Whammy 4 Guitar Multi Effects Pedals |
| Cable Length | Approximately 4.5 feet |
| Dimensions (Adapter Body) | Approximately 2.95 x 1.96 inches |
| Item Weight | 3.84 ounces |

Image: The HZPOWEN adapter showing its compact dimensions: approximately 2.95 inches in length and 1.96 inches in width, with a cable length of 4.5 feet.
Warranty and Support
The HZPOWEN 9V AC Adapter typically comes with a 1-Year Warranty from the date of purchase. This warranty covers manufacturing defects under normal use.
- For warranty claims or technical support, please contact your retailer or the manufacturer directly.
- Keep your proof of purchase for warranty validation.
- The warranty does not cover damage caused by misuse, unauthorized modifications, or improper installation.

Image: The HZPOWEN adapter displaying certifications and warranty information, including CE Certified, Safety Features, and a 1 Year Warranty.