Model: 51KSC6904
This manual provides detailed instructions for the installation, operation, and maintenance of your Kicker KS-Series 6x9 Coaxial Speakers (Model 51KSC6904). Please read this manual thoroughly before attempting installation or operation to ensure proper use and to maximize the performance and longevity of your speakers.
Before beginning installation, please verify that all the following items are included in your package:

Image: Pair of Kicker KS-Series 6x9 Coaxial Speakers with grilles.

Image: One Kicker KS-Series 6x9 Coaxial Speaker with its protective grille.

Image: One Kicker KS-Series 6x9 Coaxial Speaker without its grille, showing the cone and tweeter.

Image: A single protective grille for the Kicker KS-Series 6x9 speaker.

Image: Kicker branded can koozie, included as a bundle accessory.
The Kicker KS-Series speakers feature a thin-mount design, allowing them to fit easily behind most factory grilles and in various vehicle applications. Before mounting, ensure the chosen location provides sufficient clearance for the speaker's depth and diameter.
Use the provided mounting hardware to secure the speakers firmly in place. Avoid over-tightening screws, which can damage the speaker frame.
These speakers have a rated impedance of 4 ohms. Connect the speakers to an amplifier that is stable at a 4-ohm load and provides a recommended power output of up to 150 watts RMS per channel. Ensure correct polarity (+ to + and - to -) when connecting the speaker wires to both the speaker terminals and the amplifier terminals. Incorrect polarity can lead to reduced bass response and poor sound imaging.
It is recommended to use high-quality speaker wire of appropriate gauge (e.g., 16-gauge or thicker) for optimal power transfer and sound quality.
Once installed, connect your audio source to the ampөргөгч. -аас эхэл amplifier's gain settings at their minimum and gradually increase them until the desired volume is achieved without distortion. These speakers are designed to deliver clear and detailed audio reproduction across a wide frequency range.
Завсарлага авах хугацаа: Like many audio components, these speakers may benefit from a break-in period. Play them at moderate volumes for several hours before attempting to play them at their maximum capabilities. This allows the speaker's suspension components to loosen and perform optimally.
If you experience issues with your Kicker KS-Series speakers, refer to the table below for common problems and their solutions:
| Асуудал | Боломжит шалтгаан | Шийдэл |
|---|---|---|
| Чанга яригчаас дуу гарахгүй | Сул буюу салгасан утас Ampөргөгч асаагүй байна Incorrect input selection on head unit | Бүх чанга яригчийг шалгана уу ampилүү урт холболтууд Баталгаажуулах amplifier power and fuse Ensure correct audio source is selected |
| Гажуудсан эсвэл тодорхой бус дуу чимээ | Ampлифтийн ашиг хэт өндөр тохируулагдсан Чанга яригчийн утас богиноссон Гэмтсэн чанга яригчийн конус/хүрээ | Бууруулах ampөсгөгч олз Inspect wiring for shorts Contact Kicker support for speaker inspection/replacement |
| Басс сул эсвэл байхгүй | Incorrect speaker polarity Кроссоверын тохиргоо буруу байна Хангалтгүй ampөргөх хүч | Verify speaker wire polarity Adjust head unit or amplifier crossover settings Баталгаажуулах amplifier provides adequate power |
| Тасралтгүй дуу чимээ | Сул холболтууд Хэт халалт ampнастан | Check all wiring connections Ensure proper ventilation for amplifier; reduce volume |
| Онцлог | Тодорхойлолт |
|---|---|
| Илтгэгч дизайн | 2 талын коаксиаль |
| Woofer Хэмжээ | 6х9 инч |
| Твиттерийн хэмжээ | 1 инч |
| Нэрлэсэн эсэргүүцэл | 4 Ом |
| Санал болгож байна AmpАмьдралын хүч (RMS) | 150 ватт |
| Мэдрэмж | 92 дБ |
| Давтамжийн хариу үйлдэл | 30-21k Гц |
| Суурилуулах нүхний диаметр | 5-11/16 x 8-7/16 inches (14.45 x 21.43 cm) |
| Top Mount Depth | 3-3/16 инч (8.1 см) |
| Bottom Mount Depth | 3-11/16 инч (9.37 см) |
| Жийргэгчийн цухуйлт | 1/16 инч (0.16 см) |
| Woofer материал | Polypropylene with Rubber Surrounds |
| Твиттерийн материал | Silk-dome |
| Зүйлийн жин | 15.9 фунт (7.21 кг) |
| Багцын хэмжээ | 18.63 x 12 x 4.44 инч (47.32 x 30.48 x 11.28 см) |
Kicker products are designed for durability and performance. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official Kicker webсайт. Баталгаат нэхэмжлэл гаргахын тулд худалдан авалтаа нотлох баримтаа хадгалаарай.
If you require technical assistance, troubleshooting beyond this manual, or warranty service, please contact Kicker customer support through their official website or authorized service centers. Provide your product model number (51KSC6904) and a detailed description of the issue when contacting support.
![]() |
KICKER KSS269 Components Owner's Manual This owner's manual provides detailed installation and warranty information for the KICKER KSS269 KS Series component speakers. Learn about specifications, wiring, mounting, and product care. |
![]() |
KICKER KS Series Coax Speakers Owner's Manual and Installation Guide KICKER KS Series Coax Speakers owner's manual detailing specifications, installation, wiring, mounting, and warranty. Learn how to upgrade your vehicle's audio system with these high-efficiency speakers. |
![]() |
KICKER KS Series Component Speakers Owner's Manual Comprehensive owner's manual for KICKER KS Series component speakers, covering installation, specifications, wiring, mounting, and warranty information. |
![]() |
KICKER KS Series Component Speakers: Owner's Manual, Installation Guide, and Specifications Comprehensive owner's manual and installation guide for KICKER KS Series component speakers, including specifications, wiring diagrams, mounting instructions, safety warnings, and warranty information. Learn how to install and optimize your car audio system. |
![]() |
KICKER KM604 Coaxial Speakers Owner's Manual Comprehensive owner's manual for KICKER KM604 coaxial speakers, detailing specifications, installation, wiring, mounting, and warranty information for marine and outdoor audio systems. |
![]() |
KICKER MSC Coaxial Marine Speakers Owner's Manual and Installation Guide Official owner's manual and installation guide for KICKER MSC Series Premium Marine Coaxials. Covers specifications, wiring, mounting, grille installation, and warranty information for marine and outdoor environments. |