1. Introduction
This manual provides essential information for the proper installation, usage, and maintenance of your HERTZ Cento Series CG 165.4 6.5-inch Speaker Grilles. These grilles are designed to protect your car audio speakers from physical damage while maintaining optimal sound quality. Please read this manual thoroughly before installation.
2. Product Features
- Size: Designed for 6.5-inch speakers.
- Material: Constructed from durable cold rolled steel mesh and solid ABS plastic frame for robust protection.
- Protection: Shields speaker cones from accidental impacts, dust, and foreign objects.
- Design: Engineered to complement the aesthetic of HERTZ Cento Series speakers.

HERTZ Cento Series Speaker Grilles protecting car audio speakers.
3. What's in the Box
Your package should contain the following items:
- CG-1654 Speaker Grilles (Quantity: 1 pair)
4. Installation
The HERTZ Cento Series CG 165.4 speaker grilles are designed for straightforward installation. Follow these steps to properly secure your grilles:
- Ensure your 6.5-inch speaker is correctly mounted in its desired location (e.g., car door panel).
- Align the speaker grille frame over the speaker, ensuring the mounting holes on the frame match those on the speaker or mounting surface.
- Place the metal mesh cover into the frame.
- Secure the grille assembly using appropriate screws (not included with the grilles, typically provided with speakers or mounting kits). Tighten screws evenly to prevent distortion.

Example of a speaker grille's mesh design.

Example of a speaker grille's protective structure.

Exploded view illustrating the easy installation process of the speaker grille, showing the frame, mesh, and speaker components.
This video demonstrates the features and easy installation of the 6.5-inch metal mesh round speaker grill cover, highlighting its protective qualities.
An overview video showcasing the design and build quality of the HERTZ speaker grilles.
5. Usage Instructions
Once installed, the HERTZ Cento Series CG 165.4 speaker grilles require no special operation. Their primary function is to provide a physical barrier, protecting your speakers from accidental damage, such as kicks, impacts, or foreign objects entering the speaker cone area. Ensure the grilles are securely fastened to perform their protective function effectively.

HERTZ speaker grille installed in a car door, providing protection and a finished look.
6. Maintenance
To ensure the longevity and appearance of your speaker grilles:
- Cleaning: Wipe the grilles periodically with a soft, dry cloth to remove dust and debris. For stubborn dirt, a slightly damp cloth can be used, followed by immediate drying.
- Avoid Harsh Chemicals: Do not use abrasive cleaners, solvents, or harsh chemicals, as these can damage the finish of the grille.
- Inspection: Periodically check that the grilles remain securely fastened and that the mesh is free from significant dents or damage.
7. Troubleshooting
As a passive protective component, troubleshooting for speaker grilles is minimal. However, consider the following:
- Grille Not Fitting: Ensure the speaker size is 6.5 inches. Verify correct alignment of mounting holes before tightening screws.
- Vibration/Rattling: If the grille vibrates or rattles, check that all mounting screws are securely tightened. Ensure no foreign objects are trapped between the grille and the speaker.
- Damaged Mesh: If the metal mesh is significantly dented or torn, it may compromise protection. Consider replacing the grille.
8. Specifications
| Model Name | CG-1654 |
| Speaker Type Compatibility | Woofer (6.5 Inches) |
| Product Dimensions | 19"D x 9"W x 15"H (Packaging) |
| Item Weight | 8.4 ounces |
| Manufacturer | Hertz |
| Indoor/Outdoor Usage | Indoor |
| Water Resistance Level | Not Water Resistant |

Dimensional diagram of the speaker grille, showing measurements A and B.

Side profile dimensional diagram of the speaker grille, indicating height B and width A.
9. Warranty and Support
The HERTZ Cento Series CG 165.4 Speaker Grilles come with a Limited Warranty. For specific details regarding warranty coverage, terms, and conditions, please refer to the warranty card included with your purchase or visit the official HERTZ website.
For technical support, product inquiries, or warranty claims, please contact HERTZ customer service through their official channels.





