PreSonus CDL12P Hybrid Point Source/Line Array Constant Directivity LoudspeakerThe result of years of research and development, the PreSonus CDL12P powered loudspeaker combines the best attributes of point source and line array technology using a unique constant directivity design that radiates a highly focused pattern with consistent SPL throughout the frequency response range, both on and off axis. With the CDL12P, the eight 2 inch high frequency drivers arc over a single 12 inch woofer, comparable to the coaxial driver