12" Slim Marine Subwoofer - 500W 4 Ohm Waterproof Car Component Speaker System, Features: - 12'' Slim Waterproof Subwoofer - Completely Waterproof - For Marine or Car Use - PP Cone with Rubber Edge - High-Powered Car Subwoofer - Lab Tested Pro Audio Woofer Performance - Massive Butyl Rubber Surround - High Strength Engineering Plastic Basket - Quick Connect Speaker Terminal - Compatible with Sealed Enclosure Speaker Box Audio Setup - Impressive Bass Response, Low-Resonance Frequency Output - Designed for Custom Audio Car, Truck, Mobile Vehicle Applications What's in the Box: - 12'' Slim Waterproof Subwoofer Technical Specs: - Construction Materials: Engineered ABS - Power Handling: 500W Max, 250W RMS - Impedance: Dual 4 Ohms - Voice Coil: 2.5'' -in - Voice Coil Type: High-Temp Aluminum - Magnet Size: 50 Oz - Magnet Type: Barium Ferrite Magnet - Frequency Response: 20Hz - 150Hz - Sensitivity: 93 dB - Product Dimensions: 12.6'' x 11.2'' x 3.3'' ?inches 500 WATT POWER: The 12" Car Subwoofer offers a peak power of 500 watts w/ 250-watt RMS 4 ohm impedance. 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 WATER-RESISTANT: The compact component speaker system features a marine grade waterproof plastic case construction making it safe to be installed used in places where moderate water splashes occur such as in marine or mobile vehicles, car or truck 50 OZ MAGNET SIZE: The high-powered car subwoofer features a 12? high quality polypropylene cone w/ rubber edge. The 50 oz barium ferrite magnetic structure and 2.5? high temperature aluminum voice coil boom w/ power impressive bass response 2.5? ALUMINUM VOICE COIL: The specially treated rubber surround keeps your speakers secure and extends the life of the product. 2.5? high-temperature aluminum voice coil provides the richest sound, ensuring low distortion providing open sound stage LOW PROFILE DESIGN: Constructed with a low profile design that can be easily installed on boats, marine watercraft, cars other off-road vehicles. Features quick-connect speaker terminal plate compatible w/ sealed enclosure speaker box audio setup