12 Subwoofer with Power Port TechnologyDeep Bass for Home Theatre and MusicFront-firing long-throw 12 Polypropylene Dynamic Balance and Klippel optimised driverFloor-firing patented Power Port technology for deeper bass response and reduced port noiseComplete Control - built-in controls for variable volume, low pass filter and phase (0/180) for optimum bass levels.. 12 Subwoofer with Power Port TechnologyDeep Bass for Home Theatre and MusicFront-firing long-throw 12 Polypropylene Dynamic Balance and Klippel optimised driverFloor-firing patented Power Port technology for deeper bass response and reduced port noiseComplete Control - built-in controls for variable volume, low pass filter and phase (0/180) for optimum bass levels.
