Introduction
The KICKER KS-Series 6x9 Coaxial Speakers (Model 51KSC6904) are designed to deliver high-performance audio for automotive applications. These speakers feature internally dampened polypropylene cones and tough rubber surrounds for detailed midrange and powerful bass. With redesigned cones, voice coils, and crossovers, they offer a significant upgrade from standard factory sound systems. Their design allows for a near-flush fit in most vehicles without extensive modifications.
What's in the Box
- Two (2) Kicker KS-Series 6x9 Coaxial Speakers
- Mounting Hardware
- Instructions Manual
Key Features
- Concert-Like Volume: KICKER KS-Series Speakers allow for high volume levels while maintaining sound clarity and subtlety.
- High-Performance Woofers: Internally dampened polypropylene cones and durable rubber surrounds provide outstanding midrange detail and strong bass response.
- Upgraded Sound: Completely redesigned with new cones, voice coils, and crossovers for a superior audio experience compared to factory systems.
- Easy Installation: Designed with zero (or minimal) tweeter protrusion for a perfect fit in most vehicles without requiring extensive modifications.
Setup and Installation
Proper installation is crucial for optimal performance and longevity of your Kicker KS-Series speakers. It is recommended to have installation performed by a qualified professional if you are unfamiliar with car audio wiring and mounting procedures.
Mounting
These speakers are designed for flush mounting. Use the included mounting hardware to secure the speakers in your vehicle's designated speaker locations. Ensure a secure fit to prevent vibrations and maximize sound quality.
This image shows the pair of Kicker KS-Series 6x9 coaxial speakers, highlighting their design and included grilles.
This image provides a closer look at one of the Kicker KS-Series 6x9 speakers with its protective grille removed, showcasing the woofer cone and tweeter.
Wiring
The speakers have an impedance of 4 Ohm. They can be powered directly from your car's head unit or through a small amplifier up to 100 Watts RMS for enhanced performance. Ensure correct polarity when connecting the speaker wires to avoid phase issues.
This image displays the rear of the speaker, showing the wiring terminals and the magnet structure.
Operating Instructions
Once properly installed, your Kicker KS-Series speakers are ready to deliver high-quality audio. These speakers are designed for in-car audio systems and provide stereo audio output. While the product data mentions 'Smartphone' as a compatible device and 'Touch' as a control method, these typically refer to the head unit or connected media player, not direct speaker interaction.
Adjust your head unit's settings, including equalizer and crossover frequencies, to optimize the sound for your vehicle's acoustics and your personal listening preferences. The speakers are capable of handling up to 300 Watts maximum output power, providing ample volume and clarity.
Maintenance
To ensure the longevity and optimal performance of your Kicker KS-Series speakers, follow these general maintenance guidelines:
- Keep speakers free from dust and debris. Use a soft, dry cloth for cleaning.
- Avoid exposing speakers to excessive moisture or extreme temperatures.
- Do not exceed the recommended power handling (300 Watts peak, 100 Watts RMS) to prevent damage.
- Regularly check wiring connections for tightness and corrosion.
Troubleshooting
If you experience issues with your speakers, consider the following common troubleshooting steps:
- No Sound: Check all wiring connections at both the speaker and the head unit/amplifier. Ensure the head unit is powered on and set to the correct input.
- Distorted Sound: Reduce the volume level. Check for proper impedance matching with your amplifier. Ensure speaker cones are not obstructed or damaged.
- Intermittent Sound: Inspect wiring for loose connections or frayed wires.
For persistent issues, consult a professional car audio technician.
Specifications
| Specification | Detail |
|---|---|
| Model Name | 51KSC6904 |
| Speaker Type | Coaxial |
| Speaker Size | 9 Inches (6x9 oval) |
| Woofer Diameter | 6 Inches |
| Tweeter Size | 1 Inch |
| Impedance | 4 Ohm |
| Speaker Maximum Output Power | 300 Watts |
| Frequency Response | 21 KHz (Upper limit, lower limit not specified) |
| Audio Output Mode | Stereo |
| Mounting Type | Flush Mount |
| Material | Rubber (Surround) |
| Product Dimensions | 1.88"D x 3.07"W x 3.07"H (Note: These dimensions seem to be for the tweeter or a component, not the 6x9 speaker itself. Using as provided.) |
| Item Weight | 7.95 Pounds |
| Recommended Uses For Product | Automotive |
| Vehicle Service Type | Car |
| Connectivity Protocol | Coaxial |
| Special Feature | Hi Res Audio |
Warranty
This product comes with a Limited Warranty. Please refer to the warranty card included in your packaging for specific terms and conditions, including coverage duration and claim procedures.
Support
For further assistance, technical support, or service inquiries, please visit the official KICKER website or contact their customer service department. Contact information can typically be found in the included documentation or on the manufacturer's website.
