Kicker 50CSC4104 - 4x10" Drop-In Coaxial Speakers, Pair, 4-Ohm

CS-Series 4x10-inch Coaxial Speakers give you the quality you want, with the factory fit you need. The CS-Series design features near-zero tweeter protrusion, so your speakers fit perfectly behind factory grilles. This simple, drop-in solution delivers acclaimed KICKER performance with a stamped-steel framework, rigid polypropylene cone and EVC™ (Extended Voice Coil) technology. You get superb clarity, durability and volume – now and way down the road! • Fits nearly every car made that requires 4x10s, especially older GM models • Zero-protrusion tweeters to fit nearly any factory depth • Woofer EVC™ (Extended Voice Coil) tech assists with precise linear excursion • UV-treated poly-foam surround resists heat or direct sunlight • Large woofer magnet in a heavy-duty motor for ultra-clean bass • PEI-tweeter construction provides superb clarity • Neodymium tweeter magnets allow for increased volume in high frequencies Specifications • Speaker Design: 2 - way • Woofer Size [ in, mm ]: 4x10 [100x250] • Tweeter Size [ in, mm ]: 1/2 [13] • DC Resistance [ ohm ]: 3.3 • Peak Power [ watts, per ANSI/CTA-2031-A ]: 225 • Recommended Amplifier Power [ watts RMS ]: 75 • Sensitivity - SPLo [ dB @ 1W, 1m ]: 88 • Effective Frequency Range [ Hz ]: 45-20k • Mounting Hole Diameter [ in, mm ]: 3-7/8 x 9-5/8, 90 x 238 • Top Mount Depth [ in, mm ]: 2-3/8, 80 • Bottom Mount Depth [ in, mm ]: 2, 50 • Tweeter Protrusion [ in, mm ]: 0 • Grilles: No • Tweeter Magnet Material: Neodymium • Tweeter Dome Material: PEI • Tweeter Design: Balanced dome • Woofer Cone Material: Polypropylene • Woofer Surround Material: Polyester foam