Introduction
This manual provides essential information for the proper setup, operation, and maintenance of your Kircuit 9V AC/DC Adapter. This adapter is designed to provide power to compatible devices, including the Dolphin Audio SP-26RBT speaker. Please read these instructions carefully before use to ensure safe and efficient operation.
Setup Instructions
Follow these steps to correctly set up your Kircuit 9V AC/DC Adapter:
- Verify Compatibility: Ensure your device requires a 9V DC input and uses a barrel plug connector. This adapter is specifically designed for devices like the Dolphin Audio SP-26RBT speaker.
- Connect to Device: Insert the barrel plug end of the adapter cable firmly into the power input port of your compatible device.
- Connect to Power Outlet: Plug the AC prongs of the adapter into a standard 100V-240V AC electrical wall outlet. Ensure the outlet is easily accessible.
- Power On: Once connected, your device should receive power or begin charging its battery.

This image displays the Kircuit 9V AC/DC adapter, showing the main unit with input/output specifications printed on it, connected to its power cord ending in a barrel plug.

The Kircuit 9V AC/DC adapter is depicted plugged into a power strip, demonstrating its use in a typical environment. The image also indicates a cord length of 6.5 ft.
Operating Instructions
The Kircuit 9V AC/DC Adapter operates as a direct power source or battery charger for compatible devices. Once properly connected to both the device and a power outlet, it will automatically supply power. No additional user interaction is required for its basic function.
- Power Supply: The adapter converts AC wall power to the DC power required by your device, allowing it to operate without relying on its internal battery.
- Battery Charging: If your device has a rechargeable battery, the adapter will charge it when connected and the device is either off or in a charging state.
Maintenance
Proper care and maintenance will extend the life of your adapter:
- 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 extreme temperatures. Avoid tightly coiling the cable to prevent damage.
- Handling: Do not expose the adapter to water or excessive moisture. Avoid dropping or subjecting it to strong impacts.
Troubleshooting
If you encounter issues with your Kircuit 9V AC/DC Adapter, consider the following:
- No Power to Device:
- Ensure the adapter is securely plugged into both the wall outlet and your device.
- Test the wall outlet with another known working appliance to confirm it has power.
- Verify that your device's power input port is clean and free of debris.
- Slow Charging:
- Confirm that your device is designed to charge at 9V.
- Ensure the adapter is not damaged.
- Adapter Overheating:
- It is normal for adapters to feel warm during operation. However, if it becomes excessively hot, disconnect it immediately and cease use.
- Ensure the adapter is used in a well-ventilated area and not covered.
If these steps do not resolve the issue, please refer to the support section.
Specifications
| Brand | Kircuit |
| Manufacturer | Shenzhen Waweis Technology Co., Ltd |
| Input Voltage | 100-240V AC |
| Output Voltage | 9V DC |
| Connector Type | Barrel Plug |
| Compatible Devices | Dolphin Audio SP-26RBT, SP26RBT 1.8AH FLASHING |
| Special Features | Built-in Dynamic IC, Charger IC & Power fuse for rapid charging and overcharge protection. |
| Color | Black |
| Cord Length | 6.5 ft |
Warranty Information
Specific warranty details for this Kircuit 9V AC/DC Adapter are not provided within this manual. For information regarding warranty coverage, terms, and conditions, please refer to the product packaging, the seller's website, or contact the manufacturer directly.
Support
If you require further assistance or have questions not covered in this manual, please contact the seller or manufacturer. Contact information can typically be found on the product packaging or the point of purchase website.