JBL HDI-1200P 12 Inch Powered Subwoofer Color:Walnut and a motor that moves

and a motor that moves the magnets away from the listener

and a Carbon-Based Noise-Dissipation efficiently dissipates high-frequency noise

providing maximum protection from dings

allowing the delicate upper frequencies to travel a less magnetically disturbed path

JBL HDI-1200P 12 Inch Powered Subwoofer Color:Walnut and a motor that movesDesigned and engineered in JBLs world famous acoustic engineering facility in Northridge, California, the HDI 1200P is the foundation of a complete HDI Series surround system. This powered subwoofer features a 12 inch (300mm) Poly plas cone woofer driven by a 1,000 Watt amplifier for powerful dynamics and incredibly accurate sound reproduction. The subwoofer driver in the HDI 1200P takes advantage of the core JBL transducer DNA found in the HDI