Thread: how to: MIDI in to modular arp?
USB tends to have better transmission rates when sending MIDI over that, as opposed to the much narrower bandwidth of MIDI. One or two synths, doesn't matter. But in THIS environment, anything that can do MIDI over USB is getting connected to the USB. It reduces the piles of cables needed, plus it's a little easier to get things sent/received from USB piped to the right destination, and no meaningful latency "gagging" from overtaxing the MIDI signal.