Universal Audio Volt 476 USB Audio Interface | Guitar Center
M-Audio AIR 192|4 USB 2x2 Audio Interface
Motu M4 USB Audio Interface with Studio-Quality Sound with 4 Inputs and 4 Outputs
Amazon.com: UA Volt 4 USB Audio Interface for recording, podcasting, and streaming with essential audio software, including $400 in UAD plug-ins : Everything Else
Tascam US-4x4 4x4 channel USB Audio Interface - Includes a Free Copy of Steinberg Cubase LE
Behringer U-Phoria UMC404HD USB Audio Interface | Sweetwater
Arturia AudioFuse Studio USB Audio Interface | Sweetwater
Solid State Logic SSL 12 12-Input Desktop USB Audio Interface with 4 SSL Preamps | Reverb
Amazon.com: Alesis MultiMix 4 USB FX | 4 Channel Compact Studio Mixer with Built In Effects & USB Audio Interface for Home Studio Recording : Alesis: Everything Else
Yamaha AG06MK2B 6-Channel Mixer/USB Audio Interface for iOS/MAC/PC, Bl – Easy Music Center
ART USBIV 4 Input / 4 Output 192kHz Capable Digital Interface | Full Compass Systems
Alesis MultiMix 4 USB FX 4-Channel Mixer and USB Audio Interface
Amazon.com: Tascam US-4x4HR 4 Mic 4IN/4OUT High Resolution Versatile USB Audio Interface for Recording, Streaming, Podcasting, Songwriting : Everything Else
MOTU M4 4x4 USB-C Bus-Powered Audio Interface | Full Compass Systems
Steinberg : UR-RT4 | MillionHead
Universal Audio Volt 4 Portable 4x4 USB Audio/MIDI Interface