Pyle Plmrw8 8-Inch Outdoor Marine Audio Subwoofer - 400 Watt, Water Vehicle 8'' High Quality Polypropylene Cone Water Resistant Construction Design 40 oz Magnet Structure 1.5'' High Temperature Voice Coil 400 Watts Peak Power Frequency Response: 35-3.5K Hz 4 Ohm Impedance Sensitivity: 91 dB Overall Diameter: 8.5'' Mounting Depth: 3.60'' Product Features 400 WATT POWER: Pyle?s 8 Inch Marine Subwoofer offers a peak power of 400 watts w/ 4ohm impedance. It lets you pump out some great low frequency bass volume to enhance the party vibe making it a great addition to your marine music audio system FOR ENHANCED SOUND: The Hydra subwoofer is a great addition to your marine stereo sound system. No sound system is complete without the perfect subwoofer for complimentary bass so don't deprive your boat from the absolute best sound you can get WATER-RESISTANT: The professional compact loud speaker system features a marine grade waterproof plastic case construction making it safe to be installed and used in places where moderate water splashes occur such as in marine vehicles SUPERIOR POWERFUL SOUND: The white outdoor bass speaker features an 8? high quality polypropylene cone. The 40 oz. magnetic structure and 1.5? high temperature voice coil boom w/ power and achieve a frequency response of 35 Hz to 3.5 kHz 8? SINGLE SUBWOOFER: The boat subwoofer can be installed under or in front of the compartment or helm, behind the helm seat or you can mount them inside a box or cooler. The subwoofer has an overall diameter of 8.5? and 3.60? mounting depth Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!