Buying guides
Read one of these before you buy. They cover picking a first interface, telling the four Scarlett generations apart in a listing, what an Apollo’s DSP does for you, which interfaces need their power supply, and which ones still get drivers for a current Mac or PC. Buying your first one? Start with the first guide.
How to pick your first used audio interface
Pick a first used audio interface by inputs, mic gain, generation and drivers. Scarlett Solo and 2i2, MOTU M2, Studio 24c and AudioBox USB 96 compared.
Read the guide →Scarlett Generations: How to Tell a 1st, 2nd, 3rd and 4th Gen Apart
Tell a 1st, 2nd, 3rd or 4th Gen Focusrite Scarlett apart in listing photos, from the USB socket and knobs to serial numbers, drivers and software.
Read the guide →Do You Need an Apollo? UA's DSP Explained for Used Buyers
What the DSP inside a Universal Audio Apollo does, what native UADx plug-ins changed, Duo vs Quad, and what to check on a used Apollo before you buy.
Read the guide →Which used audio interfaces need a power supply?
Which used audio interfaces run on USB bus power and which need their own supply, how to match a replacement adapter, and phantom power on bus power.
Read the guide →Will it still work? A driver check for used interfaces
Which used audio interfaces still get drivers on current macOS and Windows, plus Apple silicon, class compliance, FireWire and Thunderbolt on Windows.
Read the guide →