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	✔	✔	✔	✔	✔