Amazon.com: Zoom R12 Multi Track Portable Recorder, with Touchscreen, Onboard Editing, 8 Tracks, 2 Combo Inputs, Effects, Synth, Drum Loops, Battery Powered, and USB Audio Interface : Musical Instruments
MOTU.com - Overview
Henry Engineering MultiPort Multi-Format Audio Interface Panel
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Zoom UAC-2 USB 3.0 Audio Interface, 2 In/2 Out Audio Interface, 2 Mic/Line/Hi-Z Inputs, MIDI I/O, Headphone Output, 2 Line Outputs, Bus Powered - Walmart.com
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USB Audio Interface with Mixer & Vocal Effects, tenlamp G10 Multi-Channel Sound Mixer Board Voice Changer, All-in-one XLR Studio DJ Mixer Equipment for Phone PC Online Live Streaming Podcast Recording - Walmart.com