Originally Posted by
DJ Abide
The actual construction and material build of the two are almost identical. It's a simple answer really because there are only TWO real downfalls of the S2 when compared to the S4.
Are you ever going to add/use a turntable or CDJ to your set-up? (Even though Traktor still has to be running to get audio through the S4, i.e. not a standalone mixer)
or
Do you plan on recording your own vocals or beat-boxing and using them in the mix? The S2's soundcard does not allow this.
Other than that every feature the S4 has can be mapped to the S2 up to and including Loop Recorder and complete 4 deck control.
IMO the extra bells and whistles on the S4 do not appear anymore "professional" than the non-cluttered elegance and complete functionality of the S2. I'd like a S4 because I would like to get a 1200, QFO, or CDJ-900 to toy around with. But as for actually using them to gig with I think the S2 and F1 is a far superior combo, especially considering you could get both for under $500 if you hustle.