PBX1-12D4 12" Subwoofer The PBX1-12D4 12" Subwoofer from the PBX-1 Series delivers deep, powerful bass with unmatched precision and control. Designed with advanced materials and innovative technology, this dual 4-ohm subwoofer offers exceptional low-frequency performance for both sealed and ported enclosures. Key Features High-Powered Output: Handles 500W RMS and 1000W peak power, delivering robust, impactful bass for any audio system. Extended Low-Frequency Response: Optimized for a frequency range of 29 Hz - 400 Hz, ensuring deep and accurate bass tones. Durable and Responsive Materials: Features a polycarbonate cone with an inverted dust cap and a Parabolic Santoprene Hybrid Surround for controlled, high-quality bass performance. Efficient Cooling System: Includes Perimeter Aero-Vent Voice Coil Cooling Vents and a vented BASV voice coil former to maintain consistent performance under heavy use. Versatile Enclosure Compatibility: Performs exceptionally well in both sealed and ported enclosures, allowing flexibility in your setup. Construction and Build Proprietary Non-Resonance Steel Basket: Stamped and textured to minimize resonance while ensuring durability and lightweight construction. Multi-Layer Progressive Spiders: Enhance durability and provide precise, controlled bass response. Compact and Install-Friendly: Features a cutout diameter of 11" and a mounting depth of 6". Specifications Size: 12 inches Nominal Impedance: Dual 4-ohm Voice Coil Size: 2 inches Magnet Size: 127 oz Sensitivity: 85 dB Frequency Range: 29 Hz - 400 Hz Xmax: 14.5 mm Power Handling: 500W RMS / 1000W Peak Enclosure Compatibility The PBX1-12D4 subwoofer is engineered for optimal performance in both sealed and ported enclosures, delivering low, powerful bass for various applications. Pair it with PowerBass SWX Subwoofer Grills for added protection.