Looking for a more soulful audio experience? Take the Infinity car audio system for a ride. Innovative materials and cutting-edge engineering have always put Infinity products ahead of the competition. So expect extreme performance from Kappa subwoofers, but prepare for precision and detail that will simply blow you away. Kappa Series subwoofers feature SSI™ (Selectable Smart Impedance), a HARMAN-exclusive impedance selector, that lets you choose either 2-ohm or 4-ohm impedance with the flip of a switch. Our patented aircooling design keeps the voice coil cool while optimizing power handling and long-term reliability. In addition, the acoustically damped fiberglass cones have been designed to minimize distortion and unwanted artifacts. More performance. More flexibility. You get both when mounted to a Kappa subwoofer..PZA MORE SPECS