Apogee Duet 2 USB Audio Interface

Solid State Logic SSL 2 USB Audio Interface 2-In/2-Out Legacy 4K Analogue

Behringer UCA202 Ultra-Low Latency 2-In/2 Out USB/Audio Interface W/Digital Outp

Behringer U-PHORIA UMC202HD Audiophile 2x2, 24-Bit/192 kHz USB Audio Interface

M-Audio Quattro USB Audio Interface 24bit/96khz *TESTED*

M-Audio Audio Buddy Dual Mic Preamp/Direct Box

PreSonus Quantum 26x32 Channel Thunderbolt 2 Audio Interface

Behringer U-Phoria UM2 USB Audio Interface Mic Preamplifier Audiophile 2x2