<p>Includes:</p><ul><li>2 x Alpine SWR-8D2 Subwoofers</li><li>2 x 24" Length Speaker wire with female spade terminals</li><li>16 x Coarse wood screws 1 5/8" length (Phillips head)</li></ul><li><b>General Features:</b><ul> <li>8" Dual 2-Ohm Type-R Series Car Subwoofer</li> <li>Power Handling:<ul> <li>Peak: 1000 watts</li> <li>RMS: 150-350 watts</li></ul></li> <li>Impedance: Dual 2 ohms</li> <li>Reinforced Parabolic Cone Structure with Poly-Mica Dust Cap & Pulp-Kevlar Cone</li> <li>Durable HAMR Santoprene surround</li> <li>Nomex Progressive Conex spider</li> <li>Compound Radius Curve pole geometry</li> <li>Oversized 1.6", High-Temperature, 4-Layer Dual Voice Coil</li> <li>52 oz. magnet motor structure</li> <li>Frequency response: 30-200 Hz</li> <li>Resonance Frequency (Fs): 40Hz</li> <li>Excursion: 12mm</li> <li>Top-mount depth: 4-1/2"</li> <li>Sensitivity: 83.5dB</li> <li>Subwoofer Grilles Sold Separately - Alpine KTE-8G</li></ul></li> <li><b>Subwoofer Specifications:</b><ul> <li>Subwoofer Series: Type-R (Alpine)</li> <li>Subwoofer Size: 8"</li> <li>Peak Power Handling: 1000 watts</li> <li>RMS Power Handling: 350 watts</li> <li>Voice Coil(s): Dual</li> <li>Impedance (Per Voice Coil): 2 ohms</li> <li>Voice Coil Diameter: 1-5/8"</li> <li>Sensitivity: 83.5 dB</li> <li>Xmax (millimeters): 12 mm</li> <li>Subwoofer Design: Round / Circle</li> <li>Main Cone Color: Black</li> <li>Woofer Composition: Kevlar Reinforced Pulp Paper</li> <li>Woofer Surround: Santoprene Rubber</li> <li>Subwoofer Grille: No</li> <li>Re-Cone Kit Available: No</li></ul></li>