American Bass HD8D4V2 8-inch Subwoofer 400 Wrms 800 Watts Max Dual 4 Ohm Heavy Duty Diecast Aluminum Basket 2.5-inch High-Temperature Voice Coil || The American Bass HD-8D4-V2 is a dual 4-ohm 8-inch subwoofer designed for high power handling and deep bass performance. || Blue Powder Finish Heavy Duty Diecast Aluminum Basket || Perimeter Vent Voice Coil Cooling || Oversized 1.4" 3-Layer Foam Surround Rubber Gasket & Magnet Boot || Mirror Image Double Conex Spider || || Key Specifications || Power Handling : RMS Power : 400 watts | Peak Power : 800 watts || Impedance : Dual 4 ohms || Frequency Response : 30 Hz - 150 Hz || Sensitivity : 84.6 dB || Voice Coil : 2.5-inch high-temperature voice coil || Magnet Size : 135 oz magnet || Surround : Foam surround || Cone Material : Non-pressed paper cone || Basket Type : CAST || Recommended AMP (Pair) : VFL 1K / VFL 4800.1 || || Item Dimension || Nominal Diameter : 8 inches (203 mm) || Mounting Depth : 6.14 inches (15.6 cm) || Cutout Diameter : 7.36 inches (18.7 cm) || Ported Box Volume : 1 - 1.25 cubic feet (28 - 35 liters) || Item weights approximately 26.2 lbs (11.8 kg). || || Get ready to shake things up with the HD Series Subwoofers! These ultra-heavy-duty beauties are built to deliver gut-wrenching, earth-shaking bass that'll have even the most hardcore audiophiles grinning from ear to ear. But beware - the HD Series has enough power to rattle your fillings loose and make your rearview mirrors quiver. || || Just don't blame us if your windshield ends up in a million pieces (American Bass is not responsible for any accidental property damage caused by excessive bass). Upgrade your sound system with the HD Series and let the bass do the talking!