Apogee Quartet 12-Channel USB Audio Interface for iPad / Mac / iOS - 4 Analog Inputs (Discontinued) | Gearank
Apogee ONE 2 IN x 2 OUT USB Audio Interface/Microphone for Mac and PC - The Sound Parcel
Amazon.com: Apogee Boom USB Audio Interface For Musicians, Podcasters, and Streamers- Featuring 2 channels, Studio Microphone Pre Amp, 24bit/192kHz sample rate, hardware DSP, Headphone Amp, and Ableton Live Lite : Musical Instruments