dˌiːdʒˈeɪz kæn jˈuːz ɐ mˈɪksɚz kɹˈɔsfeɪdɚ tə swˈɪtʃ bᵻtwˌiːn tɹˈæks ɔːɹ jˈuːs ðə vˈɑːljuːm kəntɹˈoʊl fɔːɹ ˈiːtʃ sˈoːɹs wɪððə kɹˈɔsfeɪdɚ pˈɜːmənəntli pəzˈɪʃənd ɪnðə mˈɪdəl.
DJs can use a mixer's crossfader to switch between tracks or use the volume control for each source with the crossfader permanently positioned in the middle.