I owned an SD2 and currently own an SD4 and I can guarantee that I have run both very comfortably off USB. The saxophone patches alone do it for me. I play a WX7 woodwind controller. I have an enormous selections of SoundFonts and have owned every Sound Canvas that was ever made. For most acoustic sounds, Ketron has no close competition. They obviously sample good musicians playing quality instruments.

Last edited by PhillyJazz; 05/28/15 12:04 AM.

Jan - 12 Core AMD Ryzen 9 3900X
32GB DDR4
Win 10 64-bit
Samsung m.2 SSD Boot drive,other SSD internal and USB drives.
MOTO 2
Ketron SD4,SD1000
Yamaha RX-v381amp
VB-Audio virtual cables