Focusrite Scarlett USB Audio Interfaces Differences Audio Forum July 28, 2022 Hasnain Sohail Focusrite Scarlett USB Audio Interfaces Differences Scarlett Solo 3rd Gen Scarlett 2i2 3rd Gen Scarlett 4i4 3rd Gen Scarlett Solo Studio Scarlett 2i2 Studio Connectivity USB Type-C USB Type-C USB Type-C USB Type-C USB Type-C Protocol USB 2.0 USB 2.0 USB 2.0 USB 2.0 USB 2.0 Form Factor Desktop Desktop Desktop Desktop Desktop Simultaneous I/O 2 x 2 2 x 2 4 x 4 2 x 2 2 x 2 Resolution 24-bit/192kHz 24-bit/192kHz 24-bit/192kHz 24-bit/192kHz 24-bit/192kHz Number of Preamps 1 2 2 1 2 Phantom Power 48V ✔ ✔ ✔ ✔ ✔ Instrument Inputs 1 2 2 1 2 Line Inputs 1 2 4 1 2 Balanced 1/4″ Line Outputs 2 TRS 2 TRS 4 TRS 2 TRS 2 TRS Headphone Outputs 1 1 1 1 1 Bus Powered ✔ ✔ ✔ ✔ ✔