Neodymium Magnets a rare earth metal offering exceptional strength to performance ratio?? found only in the most exotic speakers?? saves tremendous weight. Don't let the sound system weigh your vehicle down.</br>Carbon Composite Basket based on the spokes of a wheel is lightweight?? will not flex during peaks and looks great! Don't be afraid to show off the back of your woofer.</br>Klippel Optimized Components using a state-of-the-art Klippel Distortion Analyzer?? Polk engineers were able to optimize the woofer's motor structure?? voice coil alignment and suspension for the best possible performance?? even at extreme listening levels.</br>Woven Glass Composite Cones feature tremendous stiffness-tomass ratio. Lower mass means faster transients and finer detail.</br>Large-Diameter Voice Coils (30mm) in drivers increase reliability and power handling capacity.</br></br>Product Description</br></br>Introducing the new Mobile Monitor (MM) Series high performance loudspeaker systems?? the next generation in mobile loudspeaker design. The