ˈɑːpɚɹˌeɪɾɪŋ ðə fˈænz ɪn ðɪs pˈæɹəlˌɛl mˈoʊd səbstˈænʃəli ˈɪŋkɹiːsᵻz ðə tˈoʊɾəl ˈɛɹfloʊ ʌvðɪ ˈɛndʒɪn æɾə θɹˈʌst, ɹɪzˈʌltɪŋ ɪn ɐ lˈoʊɚ dʒˈɛt vəlˈɑːsᵻɾi ænd ɐ kwˈaɪəɾɚɹ ˈɛndʒɪn.
Operating the fans in this parallel mode substantially increases the total airflow of the engine at a thrust, resulting in a lower jet velocity and a quieter engine.