Subwoofer Features: Two 12" Single 4 ohm PRIME Series Subwoofer Power Handling: Peak: 600 watts per pair / 300 watts each RMS: 300 watts per pair / 150 watts each Polypropylene cone woofer Butyl rubber surround 2" 4-Layer voice coil Anodized aluminum voice coil former Solid, stamped steel basket 12 Gauge compression terminals Optimized for sealing enclosures CEA-2031 compliant Frequency response: 31-200 Hz Sensitivity: 90 dB 1-year SonicElectronix.com warranty (subwoofer only) Enclosure Features: Dual 12" Loaded Sealed Box Solid 5/8" MDF Construction Spring post terminals Complete with high-density black box carpeting Dimensions: 12-1/4"BD x 7-1/8"TD x 34-1/16"W x 14-1/8"H