1. Introduction
This user manual provides essential information for the proper use, installation, and maintenance of your JBL P3503 Cover, specifically designed for the JBL SRX915SF Subwoofer. Adhering to these instructions will help ensure the longevity and effectiveness of the product in protecting your equipment.
2. Product Overview
The JBL P3503 is a heavy-duty protective cover engineered to safeguard the JBL SRX915SF Subwoofer. It is constructed from durable material and features internal reinforcement to protect the subwoofer's grille and prevent cosmetic damage such as dings and scratches during transport and storage. The cover is designed with handle cutouts to maintain the subwoofer's mobility while covered and can be folded for convenient storage when not in use.

Image 1: The JBL P3503 Cover fitted onto a subwoofer, showcasing its black durable fabric and the JBL logo with "SRX 915S" branding. Handle cutouts are visible on the side.
Key Features:
- Heavy-duty construction for robust protection.
- Internally reinforced to shield the grille and prevent dings and scratches.
- Integrated handle cutouts for easy transport of the subwoofer while covered.
- Designed to fold compactly for storage.
3. Setup and Installation
To install the JBL P3503 Cover on your SRX915SF Subwoofer, follow these steps:
- Preparation: Ensure the SRX915SF Subwoofer is clean and free of any debris that could scratch its surface when covered.
- Orientation: Identify the top and bottom of the cover. The JBL logo and model designation are typically on the front or side of the cover.
- Placement: Carefully slide the cover over the top of the subwoofer.
- Alignment: Guide the cover down, ensuring it aligns with the subwoofer's dimensions. Make sure the handle cutouts on the cover align with the subwoofer's handles for easy access and transport.
- Secure Fit: Adjust the cover until it fully encases the subwoofer, providing a snug and protective fit.
4. Operating Instructions
The JBL P3503 Cover is designed for passive protection and ease of transport. Once installed, the subwoofer can be moved using its integrated handles, which remain accessible through the cover's cutouts. The cover does not interfere with the subwoofer's functionality when stored or transported, but it should be removed before operating the subwoofer for sound output to prevent overheating and ensure optimal acoustic performance.
5. Maintenance
Proper maintenance will extend the life of your JBL P3503 Cover:
- Cleaning: For general cleaning, wipe the cover with a damp cloth. For more stubborn dirt, a mild soap solution can be used, followed by wiping with a clean, damp cloth to remove any soap residue.
- Drying: Allow the cover to air dry completely before folding or storing to prevent mildew.
- Storage: When not in use, fold the cover neatly and store it in a dry place away from direct sunlight to preserve its material integrity.
- Avoid Harsh Chemicals: Do not use abrasive cleaners, solvents, or bleach, as these can damage the fabric and its protective properties.
6. Troubleshooting
If you encounter issues with your JBL P3503 Cover, consider the following:
- Cover Does Not Fit:
- Verify that you have the correct model cover (P3503) for your subwoofer (SRX915SF).
- Ensure the cover is oriented correctly before attempting to fit it.
- Damage to Cover:
- Inspect the cover for any tears or damage. Minor tears may be repairable with fabric repair kits. Significant damage may require replacement to ensure adequate protection.
7. Specifications
| Model | P3503 |
| Compatibility | JBL SRX915SF Subwoofer |
| Material | Durable, heavy-duty fabric with internal reinforcement |
| Color | Black |
| Item Weight | 5.15 pounds |
| Product Dimensions | 24.6 x 14.9 x 6.1 inches (approximate, for cover) |
| UPC | 691991041778 |
8. Warranty and Support
For information regarding the warranty of your JBL P3503 Cover, please refer to the warranty documentation provided with your purchase or visit the official JBL website. For technical support or further assistance, please contact JBL customer service.
JBL Official Website: www.jbl.com





