under_manage

Hi, im new to this forum, really great work guys, its kept me up most nights! Anyhow... Im designing a small compact midi controller for ableton live, just 4 pots & 4 push to makes + 1 crossfader...i was wanting to stick a headphone socket to monitor tracks im not playing...does anyone know if this can be done? via soundcard 2 or some super circuit board out their?? Cheers