Introduction
This manual provides essential information for the safe and effective use of your Kircuit AC Power Cord, designed for compatibility with the Ridgeway QS-3715BR 15-inch Portable Bluetooth Speaker. Please read these instructions carefully before using the product to ensure proper function and longevity.

An image of the Kircuit AC Power Cord, showing its standard two-prong plug and the cable leading to the device connector.
Safety Information
The Kircuit AC Power Cord is engineered with multiple safety features to protect both the power cord and your connected device from electrical hazards. These protections ensure stable power delivery and prevent damage due to common electrical fluctuations.

A diagram illustrating the built-in safety protections of the Kircuit power cord, including Short Circuit Protection, Excess Voltage Protection, Overcurrent Protection, and Over Temperature Protection.
- OVP (Over Voltage Protection): Prevents damage from excessive voltage input.
- OCP (Over Current Protection): Safeguards against damage from excessive current flow.
- SCP (Short Circuit Protection): Protects the device and power supply in case of a short circuit.
- OTP (Over Temperature Protection): Monitors and regulates the operating temperature to prevent overheating.
Always ensure the power cord is used within its specified voltage and current ratings. Do not attempt to modify or repair the power cord yourself.
Setup Instructions
To set up your Kircuit AC Power Cord, follow these simple steps:
- Ensure the Ridgeway QS-3715BR Portable Bluetooth Speaker is turned off.
- Locate the power input port on your Ridgeway QS-3715BR speaker.
- Insert the device connector end of the Kircuit AC Power Cord firmly into the speaker's power input port.
- Plug the two-prong AC plug into a standard 100V-240V AC wall outlet.
- Once connected, you may turn on your speaker.
Ensure the connection is secure at both ends to prevent intermittent power supply or damage.

A visual comparison demonstrating the secure and stable connection provided by the Kircuit power plug design, contrasting it with less robust generic plugs.
Operating Instructions
The Kircuit AC Power Cord functions as a direct replacement or spare power supply for your Ridgeway QS-3715BR speaker. Once properly connected to both the speaker and a power outlet, it will provide the necessary electrical current to operate and charge your device. No additional operational steps are required for the power cord itself.
Maintenance
Proper maintenance ensures the longevity and safe operation of your power cord.
- Cleaning: Disconnect the power cord from the outlet and the device before cleaning. Use a dry, soft cloth to wipe the cord and connectors. Do not use liquid cleaners or abrasive materials.
- Storage: When not in use, store the power cord in a cool, dry place, away from direct sunlight and extreme temperatures. Avoid tightly coiling the cord, which can stress the internal wires.
- Inspection: Periodically inspect the cord for any signs of damage, such as cuts, fraying, or bent prongs. If any damage is observed, discontinue use immediately and replace the cord.

An image showcasing the durable design of the power cable, highlighting its high-quality materials, thick insulation layer, and abrasion-resistant outer sheathing.
Troubleshooting
If you encounter issues with your Kircuit AC Power Cord, refer to the following common troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker not powering on | Loose connection, faulty outlet, damaged cord. | Ensure both ends of the cord are securely plugged in. Test the outlet with another device. Inspect the cord for visible damage; replace if damaged. |
| Intermittent power | Loose connection, damaged internal wiring. | Check all connections. Avoid bending or stressing the cord. If the issue persists, the cord may be damaged internally and should be replaced. |
| Cord feels warm | Normal operation, excessive load, poor ventilation. | A slight warmth is normal. If it feels excessively hot, disconnect immediately. Ensure the speaker is not drawing more power than the cord is rated for. Provide adequate ventilation around the cord. |
Specifications
Below are the technical specifications for the Kircuit AC Power Cord:
| Feature | Detail |
|---|---|
| Brand | Kircuit |
| Compatible Model | Ridgeway QS-3715BR Portable Bluetooth Speaker |
| Input Voltage | 100V-240V AC |
| Connector Gender | Male-to-Female |
| Plug Format | Type B (US Standard) |
| Item Length | 15 Inches |
| Safety Protections | OVP, OCP, SCP, OTP |
| ASIN | B08DKPTHGF |
| Date First Available | July 24, 2020 |
Warranty and Support
Kircuit products are designed for reliability and performance. This AC Power Cord comes with a 3-year warranty from the date of purchase, covering defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims.

An image of Kircuit product packaging, which prominently displays a '3 YEAR' warranty label, indicating the product's warranty period.
For technical support, warranty service, or any inquiries regarding your Kircuit product, please contact your retailer or visit the official Kircuit support website. Contact information can typically be found on the product packaging or the retailer's product page.





