Sonuus MIDI breakout cable for G2M V3, MIDI Breakout Cable, For Sonuus G2M V3, Converts the MIDI Out of the G2M into a MIDI Out and a MIDI In, The MIDI Out is essentially a Through, so you can continue to connect the G2M to your synths, The MIDI In lets you control G2M with a MIDI controller, Supports MIDI Hold, Sustain and Volume