HD-4 - CDT Audio High Definition 4" Midrange Drivers

4" Cast Contoured Dispersion Mid. feature "Contoured Dispersion" radiation pattern in the critical midrange frequencies, delivers rock solid imaging and front staging, with virtually no side biasing. "Audiophile" sound, smoother response, wider dynamic range, and better imaging and higher reliability. High quality 4" magnesium cast basket, woofer with curve linear design carbon treated paper cones. Stainless steel top and bottom magnet plates for better heat transfer and dissipation.