Hexpander (MIDI) - миди интерфейс, запечатанный. https://www.youtube.com/watch?v=BQOdmfJeqS0&feature=emb_logo https://www.thomannmusic.com/graph_tech_ghost_hexpander_preamp_kit.htm?ref=search_rslt_Hexpander%20Midi_229261_0_0_4b351eb1-24f4-4b09-886e-d74982bd50e5