5.25" High Quality Polypropylene Cone - 15 Oz Magnet Structure - Includes Installation Hardware</br>Resin Treatment Surround - 150 Watts Rated Peak Power - Mounting Depth: 2.14" (54.5 mm)</br>Water-Resistant Construction - Frequency Response: 70Hz-20K Hz - Cut-out Size: 4.29" (109 mm)</br></br>Product Description</br></br>Lanzar 5.25"DUAL CONE MARINE SPEAKERS</br><br/>http://www.amazon.com/gp/product/B0071HZFC8