For parts: Focusrite Scarlett 2i2 2-Channel USB Audio Interface -2I2-2ND-GEN

USB Audio Interface for PC,Interface for Recording Music Computer Recording

MOTU M2 USB Audio Interface FOR PARTS

Behringer U-Phoria UMC22 2x2 USB 2 Audio/Midi Interface

M-Audio MTRACK2X2 Studio Recording Interface

Big Knob Studio Studio Monitor Controller and Audio Interface Parts Only

TIIMGE 2x2 USB Audio Interface for PC

Lexicon I-O 22 USB Audio Interface Recording Studio w/ Power Supply LEXIO22-01