This package contains one Kicker 45KMF124 12" 4-Ohm Subwoofer & a Kicker 45KMG12W White LED Grille The KICKER KMF 12-inch Marine Subwoofer makes serious bass without a dedicated enclosure! Made to take the power and the weather, this sub is custom made to bring the bass on your boat. Completely weather-resistant, these marine subs are real-world tested for salt/fog and UV exposure, meeting or exceeding ASTM standards for marine durability. A completely sealed motor structure and locking/sealed terminal cover make it splash-proof for long life, while a tough Santoprene surround and marine-grade polypropylene cone pump out the bass, no matter how long or loud the party lasts. Packed with features and made for marine, KICKER gives you the deep, loud bass your boat needs with the KM Series of subs. FEATURES Four-Ohm Voice Coil Injection-Molded Polypropylene Cone Co-molded Santoprene Surround UniPlate Back Plate And Pole Piece Thick Tinsel Leads Large Ceramic Magnet Rear Gasketing Included Polymer Basket Resists Corrosion Protective Terminal Cap Stainless Mounting Hardware Included Meets or Exceeds ASTM Standards for UV and Salt/Fog Exposure Specifications Woofer(in,mm) 12, 30 Impedance (OHMS) 4 SVC Peak Power Handling(Watts) 350 Continuous Power Handling(Watts RMS) 175 Sealed Enclosure Volume Min-Max(ft³, L) 1.25-3.5, 25.4-99.1 Vented Enclosure Volume Min-Max(ft³, L) 1.75-2.25, 49.6-63.7 Frequency Response(Hz) 30-500 Mounting Depth(in, cm) 5.5, 13.9 Hole Diameter(in, cm) 11, 27.9 Outer Diameter(in, cm) 13, 32.95 What's in the Box: 1 - 12" Woofer 1 - Back gasket 8 - Mounting screws 8 - Mounting screw clips 1 - Manual