Description
Kicker 51KSC404 KS Series 4" Coaxial Speakers With .5" Tweeters, 4ohm
KICKER’s elite KS-Series Coaxial Speakers upgrade your audio to new levels of accuracy with extended frequency response and the smoothest highs.
Potent Performance - KICKER KS-Series Speakers let you play at concert-like volume, yet maintain the smoothness and subtlety to please even the most selective ear. Internally dampened polypropylene cones and durable rubber surrounds assist the woofers in creating precise midrange and midbass, while high-quality silk-dome tweeters deliver natural, detailed highs.
With less than a 2-inch mounting depth and zero tweeter protrusion, the KSC40 is a perfect fit in almost every vehicle on the road today. They work best with 15 to 75 watts of recommended power. See below for more details.
• High power handling
• Silk-dome tweeters for a smooth sound
• Polypropylene woofer and tough rubber surrounds
• Thin-mount design easily fits behind factory grilles
Specifications -
• Speaker Design: 2-Way
• Woofer [in, mm]: 4, 100
• Tweeter [in, mm]: ½, 13
• Rated Impedance [Ω]: 4
• Recommended Amplifier Power [Watts RMS]: 75
• Sensitivity [1W, 1m]: 88
• Frequency Response [Hz]: 60-20k
• Mounting Hole Diameter [in, mm]: 3-11⁄16, 94
• Top Mount Depth [in, mm]: 1-13⁄16, 46
• Bottom Mount Depth [in,mm]: 2-1⁄16, 51
• Tweeter Protrusion [in,mm]: 1/8, 3
• Tweeter Magnet Material: Neodymium
• Tweeter Dome Material: Silk
• Woofer Cone Material: Polypropylene
• Woofer Surround Material: Rubber
KICKER’s elite KS-Series Coaxial Speakers upgrade your audio to new levels of accuracy with extended frequency response and the smoothest highs.
Potent Performance - KICKER KS-Series Speakers let you play at concert-like volume, yet maintain the smoothness and subtlety to please even the most selective ear. Internally dampened polypropylene cones and durable rubber surrounds assist the woofers in creating precise midrange and midbass, while high-quality silk-dome tweeters deliver natural, detailed highs.
With less than a 2-inch mounting depth and zero tweeter protrusion, the KSC40 is a perfect fit in almost every vehicle on the road today. They work best with 15 to 75 watts of recommended power. See below for more details.
• High power handling
• Silk-dome tweeters for a smooth sound
• Polypropylene woofer and tough rubber surrounds
• Thin-mount design easily fits behind factory grilles
Specifications -
• Speaker Design: 2-Way
• Woofer [in, mm]: 4, 100
• Tweeter [in, mm]: ½, 13
• Rated Impedance [Ω]: 4
• Recommended Amplifier Power [Watts RMS]: 75
• Sensitivity [1W, 1m]: 88
• Frequency Response [Hz]: 60-20k
• Mounting Hole Diameter [in, mm]: 3-11⁄16, 94
• Top Mount Depth [in, mm]: 1-13⁄16, 46
• Bottom Mount Depth [in,mm]: 2-1⁄16, 51
• Tweeter Protrusion [in,mm]: 1/8, 3
• Tweeter Magnet Material: Neodymium
• Tweeter Dome Material: Silk
• Woofer Cone Material: Polypropylene
• Woofer Surround Material: Rubber
Used Frequently Asked Questions
- What does used mean? Used products may be unused customer returns that are essentially "new" items, or they may be previously installed products that were returned under warranty or during our return policy period.
- What is the warranty? All of our used items come with a 90-day warranty.
- What's it look like? All of our used items are inspected and graded by our returns team at our facilities. They will test them and grade them to one of four standard gradings: Used Open Box, Used Very Good, Used Good, and Used Acceptable. Please see the following descriptions of each grade - also note that if an item falls under ANY of the criteria for a certain grade, even though the rest of the product is better, we will give it the lowest grade.
- Used Open Box An item in perfect working condition. Original protective wrapping may be missing, but the original packaging is intact and in good condition with minor damage possible. Instructions are included.
- Used Very Good A well-cared-for item with limited use, remains in good working condition. The item may show some limited signs of wear,small scratches,cosmetic blemishes. Item may arrive with damaged packaging or be repackaged and could be missing some accessories.
- Used Good The item shows wear from use, remains in good condition and functions properly. May have damaged packaging or be repackaged. It may be marked, have identifying markings on it, have minor cosmetic damage. It may be missing some parts or accessories.
- Used Acceptable The item is fairly worn but continues to function properly. While repackaged; signs of wear can include aesthetic issues; scratches, dents. The item may have markings on it or show signs of previous use. Item may be missing some parts or accessories.
- Have more questions? Call us, send us a chat, or an email. We'll be able to answer any additional questions you may have.