1. Introduction
This manual provides instructions for the safe and effective use of the onerbl AC/AC Adapter, designed as a replacement power supply for the Behringer XENYX 1202 Mixer. Please read this manual thoroughly before using the product.

Image 1.1: The onerbl AC/AC Adapter, featuring a black casing and standard power plug.
2. Safety Information
Observe the following safety precautions to prevent damage to the adapter, your mixer, or personal injury:
- Input Voltage: This adapter is designed for AC 110V ONLY. Do not connect to other voltage sources.
- Output Type: This is an AC to AC adapter. It provides AC output, not DC output. Ensure your device requires an AC input.
- Environment: Use the adapter in a dry environment. Avoid exposure to water, moisture, or extreme temperatures.
- Ventilation: Ensure adequate ventilation around the adapter during use. Do not cover it.
- Damage: Do not use the adapter if the cord or casing is damaged.
- Disassembly: Do not attempt to open or repair the adapter. Refer servicing to qualified personnel.
The adapter incorporates multiple protection features:
- Over Voltage Protection: Safeguards against excessive voltage.
- Over Heat Protection: Prevents overheating during operation.
- Short-Circuit Protection: Protects against short-circuit conditions.

Image 2.1: Visual representation of the adapter's built-in safety features, including short-circuit, over-voltage, and over-current protection.
3. Setup
- Verify Compatibility: Ensure your device, specifically the Behringer XENYX 1202 Mixer, requires an AC/AC adapter with the specified voltage and current ratings.
- Connect to Mixer: Insert the barrel connector end of the adapter cable firmly into the power input jack of your Behringer XENYX 1202 Mixer.
- Connect to Power Outlet: Plug the AC power plug into a standard AC 110V wall outlet.
- Power On: Once connected, your mixer should receive power. Refer to your mixer's manual for specific power-on procedures.
4. Operating Instructions
The onerbl AC/AC Adapter operates as a direct power source for your compatible device. Once properly connected to both the device and a suitable AC 110V power outlet, it will supply continuous power. No additional user interaction is required for its operation.
5. Maintenance
- Cleaning: Disconnect the adapter from the power outlet and your 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 moisture. Avoid tightly coiling the cable to prevent damage.
- Inspection: Periodically inspect the cable and connector for any signs of wear or damage. If damage is observed, discontinue use and replace the adapter.
6. Troubleshooting
If you experience issues with your onerbl AC/AC Adapter, consider the following:
- No Power to Mixer:
- Ensure the adapter is securely plugged into a working AC 110V wall outlet.
- Verify the barrel connector is fully inserted into the mixer's power input.
- Check if the wall outlet is functional by plugging in another device.
- Inspect the adapter cable for any visible damage or kinks.
- Unusual Noise or Smell: Immediately disconnect the adapter from the power source and your device. Do not attempt to use it again. Contact support.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | onerbl |
| Model Number | [onerbl product model] |
| Input | AC 110V ONLY |
| Output Type | AC to AC |
| Connector Type | Barrel Connector |
| Material | Plastic, Copper, Metal |
| Color | Black |
| Item Weight | 8 ounces |
| Manufacturer | Shenzhen Waweis Technology Co., Ltd |
| Date First Available | July 8, 2022 |

Image 7.1: Illustration of the adapter's durable design, highlighting the copper wire and PVC jacket for enhanced longevity.

Image 7.2: Examples of extended cord designs, illustrating different cable lengths for flexible placement.
8. Warranty Information
This product is covered by a 30-day refund/replacement policy from the date of purchase. For specific warranty claims or issues, please refer to the retailer's return policy or contact the seller directly.
9. Support
For technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact the seller or manufacturer through the platform where the product was purchased. Provide your product model number and purchase details for efficient support.