I would guess that the rotaries come from an APC40. 
I like the first idea more. this on is kinda big
correct,
the deck select LED in the earlier design came from reloop RMP-40
the rest is all S4 and X1
agreed, it takes the modular idea away.
that you can add and move around the different parts that make a S4 or VCI for instance.
If Iād just split the controls over 2 units and make them equal, you can still use it as a 2 channel mixer. or use 2 to create a 4 channel mixer.
^^Bingo
Haahahahaha!
Ha.
this thread just gets more and more interesting.
This would be enough for me:
The buttons under TEMPO modify the volume faders into pitch faders, while the up/down arrows help tempobend/nudge the tracks.
I have added Play and Cue transfer controls for extra control.
Select the track out of your collection with the browse knob and load it into the decks by clicking the appropriate button.
I also tried to keep the crossfader away from buttons.
why donāt just drop the crossfader? there would definitely be space for some extra buttons.
i know that somehow the crossfader a basic feature of a mixer but i havenāt touched it for ages. so i wonāt miss it.
crossfader is essential to many djs
especially for scratching
and a lot of people prefer cross fading to channel fading and some do both.
Personally, I would get rid of those weird little play/cue buttons at the bottom of the deck faders, the pitch fade buttons, and the fx dry/wet controls. Those controls should stay on the decks/effects generators. I would also replace the fx dry/wet with booth and master volume, and make the deck faders longer with the added space from removing the play/cue buttons.
Also, in a more radical approach, I would ditch the integrated soundcard and make the mixer full HID, but that is not nearly as flexible with those of you who have timecode setups and already priceier external sound cards. Would work perfect with 2 Kontrol x1s and an audio 2 or 4 dj. Would be perfect for me
Hell no! Keep those transport buttons. It stands on itās own like this! No need for deck controller at all.
Having the faders switch to pitch faders seems pretty poor to me. Soft takeover is bad enough but when levels and pitch are involved itās just hell.
Iād most likely remap the gain knobs as loop size (they are totally push encoders.) and use the FX buttons for beat jumps.
Internal sound cards are for losers. 
i like the idea of pitch bending
ā
changing it to loop size seems like a choice that would be more useful to me as well. but there would still have to be some sort of gain knob. maybe a single knob that can be switched accordingly? the gain isnāt something that i feel like you would need to control more then one at a time. just takes to much room up.
i would love to see this maybe a little wider, and adding cue points for each deck, deck a and c on the left, b and d on the right (maybe even a couple arcade buttons to give it that djtt vibe). and even a shift button so you can have all the knobs mapped to 2 different things, which would actually solve the gain/loop size problem lol. i would do it but iām no good with this kind of stuff 
An āA C B Dā layout would just be confusing.
so true.
i thought of that after i posted.
honestly, maybe only have cue points for A and B
Well tbh, Iām more of a traditional MIDI DJ, no syncing. The only thing I would need is a beat jump forward and a beat jump backward button per deck and I would be set.
(And yes, all the functions are used; maybe the snap, master and quant are not used that much)
Will do some thinking, if I would really need something else in my workflow.
(And yes, this might even be include addition of arcade buttons. )
Haha battle is heating up. many different ideas and approaches
but thats the problem overall, no controller will ever be perfect unless you build it yourself. even then youād have other needs in some time. maybe with a new software releases etc.
looks like native instruments has to make 2 versions.
2 channel basic mixer only version (maybe without crossfader?)
only EQ+gain+4FX buttons for each deck+volume faders.
4 channel version with more controls (can be used as stand alone)
EQ+FX dry wet+basic transport+browsing etc.
2 channel version would be alot cheaper tho
one thing I think we can all say is: no labels on the buttons (I prefer no labels at all, after a while you donāt look at them anyway. they are just confusing if you mapped your controller different.) just give 1 or 2 blank overlays.
all i have for now
still working on it
as i said. iām not the greatest at these haha
getting more and more towards an full controller.
every design idea added should be read by the NI team no matter what.
theyāre all good ideas.
I still hope they put it in a X1 sized package, split over multiple units for flexibility.
Yes joost, like faderfox did with their modulesā¦
I like the modular aproach but it should have USB Hubs across the units like the SCS.3 System.
At leas one USB hub to connect to the next NI controllerā¦
when i have a little more time, iāll add a full set of arcade buttons and some cross faders on the side, pretty much like the new custom midi fighters but integrated into a mixer.
the idea of it totally turns me on lolz