Numark NS4FX 4-Channel DJ Controller for SeratoFor DJs, creativity and personal expression define just how far their career will go, and with the expansive features of the NS4FX, the sky is the limit! With full audio control over 4 independent channels, DJs can mix tracks, samples, loops, and more from up to 4 DJ software decks at once. The 4 channels of the NSFX each feature dedicated premium quality volume faders, 3 band EQ with full kills, and large high pass low pass Filter knobs. Crossfader