Look for the best DJ mixers with all the top brands AT br Best DJ mixers have equalizers for bass and treble control on every channel. Therefore DJ's have full power over their music. Most blenders have a mic input for DJ's who prefer to squint or make statements. There's also a kill button on several versions, which may cut out a frequency or channel. The DJ Mixer's output joins into whatever the situation requires, while it is a radio broadcast or a studio recording.