A dynamic mixer (1, 100) for a plurality of fluid components contains a housing (2, 102) and a rotor element (3, 103) which is rotatably arranged in the housing, with the housing having an inlet opening (12, 13, 112, 113) for at least one respective component and having at least one outlet opening (20, 120). A ring-shaped intermediate space (15, 115) is provided between the rotor element and the housing in which a mixing element (7, 107) connected to the rotor element (3, 103) is arranged. The housing includes a first antechamber (21, 121) and a main chamber (22, 122). A second antechamber (17, 117) is provided which is arranged downstream of the first antechamber (21, 121) so that the first antechamber (21, 121) can be flowed through by the components before the components enter into the second antechamber (17, 117).