- 35Hz - 50kHz Frequency Response - Two 6.5 Turbine Cones - Incredible Flagship Sound - Perfectly Balanced Sonic Impact - Powerful Bass And Smooth Midrange - Sleek And Elegant Design - Anti-diffraction Magnetic Grilles - Power Port 2.0 - Black Finish The R600 represents the ultimate in performance and value, delivering killer flagship sound at an unbeatable price. With the addition of two 6.5 turbine cone woofers and Power Port(R) 2.0, the R600 perfectly balances sonic impact with rich and detailed audio. WHAT BETTER SOUNDS LIKE The Reserve Series incorporates groundbreaking Polk technologies found on our award-winning Legend Series to bring its flagship sound to more people. PINNACLE RING RADIATOR TWEETER The Pinnacle Ring Radiator Tweeters distinctive pointed shape guides the dispersion of high frequency sounds around a room. This innovation widens the sweet spot and allows you freedom to enjoy your music and movies wherever you choose to sit. TURBINE CONE WOOFER Our pioneering turbine design delivers a significant increase in cone rigidity without increasing mass. This innovation means the woofer can move with increased accuracy and speed to deliver enhanced sound resolution, enabling you to experience a breathtaking level of detail in your music and movies. POWER PORT 2.0 Polks new Power Port 2.0 is the latest version of our successful Power Port technology. In addition to Power Ports carefully engineered port design that smooths the flow of air as it exits the cabinet through the port, X-Port adds a set of closed-pipe absorbers that are specifically tuned to unwanted cabinet and port resonances. Together, these two technologies combine to function as Power Port 2.0 to deliver smooth, detailed audio. Combined with dual 8 woofers, youll get louder, cleaner bass while minimizing turbulence and port noise. EXCEPTIONAL CABINETRY Reserves sleek cabinetry hides