Introduction
This manual provides essential information for the safe and effective use of your Kircuit AC Power Cord. This power cord is designed to supply electrical power to compatible JBL ES Series powered subwoofers. Please read this manual thoroughly before use and retain it for future reference.
Safety Information
Always observe the following safety precautions to prevent electric shock, fire, or damage to the product or connected devices.
- Ensure the power cord is fully inserted into both the wall outlet and the device's power inlet.
- Do not use the power cord if it is damaged, frayed, or has exposed wires.
- Avoid placing heavy objects on the power cord or bending it sharply.
- Do not expose the power cord to water or excessive moisture.
- Disconnect the power cord from the wall outlet before cleaning or if it will be unused for an extended period.
- This power cord is designed for indoor use only.
Product Overview
The Kircuit AC Power Cord is a replacement or spare power cable for various electronic devices, specifically designed for compatibility with JBL ES Series powered subwoofers. It features a standard two-prong plug for wall outlets and a C7 (figure-8) connector for the device.

Figure 1: Kircuit AC Power Cord. One end features a standard two-prong North American plug (NEMA 1-15P) for connecting to a wall outlet. The other end is equipped with a C7 (figure-8) connector, designed to plug into compatible electronic devices such as JBL ES Series subwoofers.
Setup
- Verify Compatibility: Ensure your device, such as a JBL ES Series subwoofer (e.g., ES150P, ES250P), requires a C7 (figure-8) power connector.
- Connect to Device: Insert the C7 (figure-8) end of the Kircuit AC Power Cord firmly into the power inlet of your JBL subwoofer.
- Connect to Power Outlet: Plug the two-prong end of the power cord into a standard 100V-240V AC electrical wall outlet.
- Secure Connection: Ensure both connections are secure to prevent intermittent power supply.
Operation
Once the power cord is securely connected to both the device and a power outlet, your JBL subwoofer should receive power. Refer to your subwoofer's specific instruction manual for details on its power-on sequence and operational functions.
Maintenance
- Cleaning: Disconnect the power cord from the electrical outlet before cleaning. Wipe the cord with a dry, soft cloth. Do not use liquid cleaners.
- Storage: When not in use, coil the power cord loosely. Avoid tight coiling or kinking, which can damage the internal wires.
- Inspection: Periodically inspect the power cord for any signs of damage, such as cuts, abrasions, or bent prongs. Replace immediately if damage is found.
Troubleshooting
No Power to Device
- Check Connections: Ensure the power cord is fully and securely plugged into both the wall outlet and the device.
- Test Outlet: Plug another device into the same wall outlet to confirm the outlet is functioning correctly.
- Inspect Cord: Examine the power cord for any visible damage. If damaged, discontinue use and replace.
Specifications
| Brand | Kircuit |
| Input Voltage | 100V-240V AC |
| Connector Type (Wall) | NEMA 1-15P (2-prong) |
| Connector Type (Device) | IEC C7 (Figure-8) |
| Color | Black |
| Compatible Devices | JBL ES Series Powered Subwoofers (ES150P, ES150PBK, ES250P, ES250P/120, ES250P/230) |
Warranty and Support
For warranty information or technical support regarding your Kircuit AC Power Cord, please refer to the seller's return policy or contact the manufacturer directly. Details are typically available on the product packaging or the point of purchase.