CDD Series - Coaxial Differential Dispersion for installation. CDD6 A two-way full range passive featuring a 6.5” LF +1” HF CDD driver. 110°-80° horizontal, 80° vertical (rotatable). 80Hz-20kHz ± 3dB, -10dB @ 70Hz. 113dB cont, 119dB peak. Available black or white withl 70v/100v option, weatherised, marine white and in custom colours. Priced individually, shipped in pairs.