Universal Audio VOLT 4 4-in/4-out USB 2.0 Audio Interface - Vintage King
M-Audio AIR 192 | 4 24/192 USB Audio Interface | IDJNOW
Focusrite Scarlett 4i4 3rd Gen 4-in, 4-out USB Audio Interface Bundle – absoluteusa
Tascam US-4x4, 4X4 CHANNEL USB AUDIO INTERFACE, 4-in/4-out Audio/MIDI
Amazon.com: Tascam US-4x4 USB Audio/MIDI Interface with Microphone Preamps and iOS Compatibility : Musical Instruments
Universal Audio Volt 476 USB 2.0 Audio Interface - Westlake Pro
Tascam Us-4x4 Hr Professional Usb Audio/midi Interface With 4 Mic/line Inputs,four Outputs And Loopback Function For Producer - Microphones - AliExpress
Tascam US-4x4HR | High-Resolution USB Audio/MIDI Interface (4 in, 4 out)
ART USBIV 4 Input / 4 Output 192kHz Capable Digital Interface | Full Compass Systems
Focusrite Scarlett 4i4 3rd Gen 4-in, 4-out 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 USB Audio Interface with Studio-Quality Sound with 4 Inputs and 4 Outputs
TASCAM US-4X4HR 4-Channel USB Audio Interface | Guitar Center
SSL SSL2+ 2-In/4-Out USB-C Audio Interface with SSL Production Pack - Pixel Pro Audio