The SMX301 replaces the best selling RM3 mixer, and is a superb house mixer suitable for use with both decks and CD players. and really does offer an impressive set of features - 3 phono inputs, 6 line inputs and a mic input with independent EQ. Each channel has a gain control, 3 band EQ and channels 1 and 3 (both sides of the crossfader) have kill switches. A full-featured Cue section includes PFL, Cue Pan, and dual headphone outputs 6.3 and 3.5 headphone jacks.