HiFonics 12" inch HA-112A Alpha Powered Subwoofer System

800 watt, 12 inch powered subwoofer. Designed with innovative features including: Low Turbulence Bass Port, Woven glass cone, highly efficient Super D-Class amplifier, high level inputs, sound contouring and bass boost.   Product Details Alpha Series 12" Powered Loaded Enclosure Power Rating: RMS: 400 Watts | Peak: 800 Watts Bass Boost: Variable 0-12dB Low Pass Filter: 30-150Hz Adjustable Crossover: Variable from 30-150Hz Directional Heatsink Improves Heat Dissipation High Temperature Voice Coil Impedance: 4 Ohms Sensitivity: 88dB Bass Remote Included Woven Glass Fiber Cone Stamped Steel Basket Dimensions: 18.1"W x 14.5"H x 13.9"D UPC: 806576229896