ISE 2013 Roland Systetms Group at ISE 2013 Roland Systems Group at ISE 2013 Roland V-4EX makes its debut at the ISE show this week in Amsterdam. Video conversion and field recording line-up at ISE. Our V-Mixing System display includes V-Mixer consoles, digital snakes, multi-channel recording and personal mixing. Roland M-200i iPad controlled V-Mixer console, a popular item at the show. Here is a close up of the new Roland V-4EX Video mixer next to a P-10 Visual Sampler. V–Mixer console line-up includes the M-480, M-300, and M-200i digital mixers. Strong looking line-up.