Authorized Kicker Dealer! What's in the box: (2) 4" 2-Ohm Coaxials (8) Mounting Screws (8) Mounting Screw Clips (2) Wire Connection Cover (2) Zip Ties Description: Hear them loud and clear, the KM Coaxial Marine Speakers are built to pump out the tunes – and the fun - for years to come! Whether you mount your speakers in the hull, or KICKER® tower enclosures, you also get a pair of stout marine-grade grilles! Our speakers are made to thrive in the water. UV treatments on injection-molded cones, Santoprene® surrounds, baskets and grilles all help maintain top-shelf performance. KM speakers will endure almost any weather conditions with splash-and-spray-resistant sealed motors and locking/sealed terminal covers. Speaker hardware is forged from rustproof, 316L stainless-steel. Features: Pair KICKER 45KM42 4" Marine Speakers KM4 RMS Power Handling: 50 Watts Peak Power Handling: 150 Watts Sensitivity: 89 dB 1/2-Inch PEI Tweeter Locking/Sealed Terminal Covers UV-Treated Polypropylene Woofer With Santoprene Surround UV-Resistant Polymer Basket 316L Stainless Mounting Hardware Included Charcoal and White Grilles Included Meets or Exceeds ASTM Standards for UV and Salt/Fog Exposure Frequency Response: 60 Hz - 20 kHz Impedance: 2 Ohms Mounting Hole Diameter: 3.81" inches Mounting Depth: 1.875" inches