In this category, you'll find various microphones that do not have capsules. The capsule contains the diaphragm, which is what captures the audio vibrations. The tube part of the mic that holds the capsule is equipped with the necessary electronics to convert the vibrations captured by the diaphragm to a recorder or sound system. You will also find small preamps for condenser microphones in this category, which are not be confused with mirophone preamps.
