DD Audio VO-CT55-B - NY!The VO CT55 compression driver has a 2. 0 voice coil and is made to pair with a 1" throat bolt on horn. This driver covers the frequency range from where our VO mid range and woofers leave off extending to 20kHz. The CT55 delivers natural midrange and vocal clarity with crystal clear highs while allowing a lower crossover point than the CT35. The motor uses CnC machined parts resulting in a close tolerance, high magnetic strength motor driving a 2. 0