Kicker 51KSC404 4" Coax Speaker

KICKER KS-Series Speakers let you play at concert-like volume, yet maintain the smoothness and subtlety to please even the most selective ear. The high-performance woofers utilize internally dampened polypropylene cones and tough rubber surrounds for outstanding midrange detail and pounding bass! All KS-Series woofers feature an ultra-slim mounting depth to easily fit in most factory speaker locations.

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

Model: 51KSC404 (KS-Series 4″ Coaxial Speakers)
Speaker Design: 2-Way coaxial
Woofer Size: 4″ (100 mm) polypropylene cone with rubber surround
Tweeter Size: ½″ (13 mm) silk-dome
Impedance: 4 Ω
Recommended Amplifier Power (RMS): 15–75 W
RMS Power Handling (per speaker): 75 W (150 W per pair)
Peak Power Handling: 150 W (300 W per pair)
Sensitivity: 88 dB @ 1 W/1 m
Frequency Response: 60 Hz–20 kHz
Mounting Hole Diameter: 3-11/16″ (94 mm)
Top Mount Depth: 1-13/16″ (46 mm)
Bottom Mount Depth: 2-1/16″ (51 mm)
Tweeter Protrusion: 0 (flush)
Grilles Included: No
Tweeter Magnet Material: Neodymium
Tweeter Dome Material: Silk
Woofer Cone Material: Polypropylene
Woofer Surround Material: Rubber
Warranty: 2 Years when purchased from an Authorized KICKER Dealer or kicker.com