Complex sentence: The high-end line of Shure microphones is the KSM series: the KSM9, KSM27, KSM32, KSM44, KSM137 and the KSM144.
Split into simpler sentences: The high-end line of Shure microphones is the KSM series. The KSM series includes the KSM9, KSM27, KSM32, KSM44, KSM137 and the KSM144.