The only connectors on my Ketron SD-2 are RCA stereo output connectors, MIDI in and MIDI thru connectors, and an electric power connector for the wall brick on the back. The front has a headphone jack and volume control.

If there's a USB connector on it, it is very well hidden.


John

Laptop-HP Omen I7 Win11Pro 32GB 2x2TB, 1x4TB SSD
Desktop-ASUS-I7 Win10Pro 32GB 2x1.5TB, 2x2TB, 1x4TB SATA

BB2024/UMC404HD/Casios/Cakewalk/Reaper/Studio One/MixBus/Notion/Finale/Dorico/Noteworthy/NI/Halion/IK

http://www.sus4chord.com