About the Kicker 51KSC6904
Smooth detail
Kicker designed their KS Series to be a substantial step up from run-of-the-mill or older, deteriorating factory speakers. The KSC6904 6″x9″ speakers feature a polypropylene woofer that provides a satisfying, natural sound, paired with a 1″ silk dome tweeter that prioritizes smoothness in your music’s vocal and instrumental details. Install a pair and rediscover how your favorite songs were meant to be heard.
You can use the included grilles if you’re creating a new speaker location, or install these speakers behind your factory grilles or panels.
Use factory or aftermarket power
Not planning on swapping out your factory radio or adding an amp? No problem. With the KS Series, Kicker created a highly sensitive design that conjures hefty volume even from low-powered factory radios.Kicker prioritizes fit
These low-profile speakers feature a reduced mounting depth and minimal tweeter protrusion, making them a match for almost any car.Product highlights:
- 2-way car speakers (pair)
- 6″x9″ polypropylene woofer cone with rubber surround
- 1″ silk dome tweeter
- handles up to 150 watts RMS (300 watts peak power)
- frequency range: 30-21,000 Hz
- sensitivity: 92 dB
- top-mount depth: 2.933″
- impedance: 4 ohms
- grilles included
- warranty: 2 years
What’s in the box:
- Kicker 51KSC6904 owner’s manual
- Two 2-way speakers
- 2 Grilles
- 2 Grille frames
- 2 Adapter brackets
- 2 Bottom mount spacers
- Two 11″ Lengths of speaker wire (tinned wire on one end and female quick slides on the other)
- 2 Adhesive backed foam pads
- Grille putty
- 4 Red plastic wire caps
- Eight 1-1/8″ Screws
- Quick-Start guide (English/ Spanish/ German/ French)
- Template
More details on the Kicker 51KSC6904
Features & specs
| General | ||
|---|---|---|
| Speaker Size | 6X9 | |
| Driver Design | 2-way | |
| Woofer Design | Cone | |
| Woofer Material | Polypropylene | |
| Woofer Surround | Rubber | |
| Midrange Design | — | |
| Midrange Material | — | |
| Tweeter Design | 1″ Dome | |
| Tweeter Material | Silk | |
| Super Tweeter Design | — | |
| Super Tweeter Material | — | |
| Impedance (Ohms) | 4 | |
| Weather-resistant | No | |
| Grilles Included | Black, Steel mesh, Plastic frame | |
| Warranty | 2 Years | |
| Specifications | ||
| Sensitivity (1W at 1 meter) | 92 | |
| Sensitivity at 2.83 volts | N/A | |
| Frequency Response | 30 – 21k Hz | |
| Maximum RMS Wattage | 150 | |
| Peak Power Handling (Watts) | 300 | |
| Top-mount Depth (Inches) | 2 15/16 | |
| Bottom-mount Depth (Inches) | 3 3/16 | |
| Cutout Diameter or Length (inches) | 0 | |
| Mounting Height (Inches) | 0.372 | |
| Frame Width | 6.652 | |
| Frame Length | 9.217 | |
The Kicker 51KSC6904 replaces these items:
- Kicker 47KSC6904
Product Research
Features
Woofer Cones: The Kicker KS Series speakers feature durable polypropylene woofer cones, resistant to the temperature extremes and moisture found in automotive applications.
Dome Tweeters: The 1″ silk dome tweeters provide a smooth high frequency response with a wide dispersion pattern. The tweeters have neodymium magnets.
6×9 Spacers: The included 6×9 spacers can be used to adjust the speakers’ depth when top or bottom mounting. The adjusted measurements become:
- Top Mount:
- Depth: 2.772″
- Height: 0.533″
- Bottom Mount:
- Depth: 3.311″
- Tweeter Protrusion: 0.0″
Multipurpose Brackets: In addition to fitting standard 6×9 applications, Kicker includes a pair of mounting brackets to install the speakers in several vehicle-specific applications. Please enter your vehicle information to confirm fit.
