GREAT SOUND BUILT FOR COMPETITION | With features such as having a Large Magnet Size - Double Stacked High Energy Strontium Magnet Structure, and a Heavy Duty Rugged Industrial Textured Cast Aluminum Basket, and Over Sized Mirror Image Dual Poly / Nomex Spiders, the Hippo Series is one of the most popular Subwoofer Series used by countless high end Car Audio enthusiasts for big sound and high scores that toss the competition out of the ring.. FEATURES THAT MAKE IT THE BEST OF ALL 8 INCH SUBWOOFERS | Don't take the risk of buying Car Subwoofer Speakers that Snaps, Crackles, and Pops after short use due to Cones and Rubber that are as soft as butter. The HIPPO84 Subwoofer features Dual Impedance Black Anodized Voice Coil Former with Kevlar Spunlace, Kevlar Fiber Reinforced Non-Pressed Paper Cone with Industrial Textured Finish, and Red Stitched Edge to the Cone's Edge for Added Strength.. AMAZING DEEP BASS FOR ITS SIZE | "Sounds Good" is an understatement. The sound that comes out of this 8 inch Subwoofer Speaker will massively improve the sound quality of your car audio system. This 8-Inch Subwoofer of pure bass features 500 Watts RMS Dual 4 Ohm to 1000 Watts MAX, 2.5 inch Voice Coil. It's truly a Great Speaker at an affordable price!. CRANK UP THE VOLUME | Are you looking to replace your Factory Subwoofer? Look no further! This Car Subwoofer Speaker is guaranteed not to rattle in any high volume. With our Black Anodized One Piece Pole-Plate for Added Motor Force, Heavy Duty Direct Input Wires Connection to Voice Coils, Reinforced Fiberglass Woven Dust cap for High Power Applications, it's guaranteed to work better than the rest!. MASSIVE AUDIO QUALITY GUARANTEED | Since 1999, Massive Audio has been an industry leader in high performance audio products. Massive Audio laid its roots in high quality audio reproduction through in-house engineering and a dedication to customers.