The following interfaces from each range can be used in Standalone Mode, without a computer. We've provided links below to any relevant tutorials that will help you get set up in Standalone Mode.

Scarlett

4th Generation: all Scarlett 4th Gens

• Scarlett 16i16 4th Gen Standalone Mode setup
• Scarlett 18i16 4th Gen Standalone Mode setup
• Scarlett 18i20 4th Gen Standalone Mode setup

3rd Generation: Scarlett 8i6, 18i8, and 18i20 

• Using Standalone Mode to increase your channel count

2nd Generation: Scarlett 6i6, 18i8, and 18i20

• Using Standalone Mode to increase your channel count

1st Generation: Scarlett 6i6, 18i8, and 18i20

• Setting Up Saffire/Scarlett 1st Gen in Standalone Mode

Vocaster

Vocaster One and Two

Clarett

All Claretts — all of the Clarett+, Clarett USB, and Clarett (Thunderbolt) ranges

• Using Standalone Mode to increase your channel count

Red

Red 4Pre, 8Pre, 8Line, and 16Line

Saffire

Saffire Pro 14, Pro 24, Pro 24 DSP, Pro 26, and Pro 40 — and Liquid Saffire 56

• Setting Up Saffire/Scarlett 1st Gen in Standalone Mode