USB Audio Part 2: Class 1 and Class 2 USB Audio - YouTube
Low-cost USB audio interfaces review – Six Colors
Amazon.com: USB Audio Adapter, DuKabel USB to 3.5mm Jack TRS AUX Adapter for Built-in Chip USB Sound Card for Headset with Separate Plug TRS 3 Pole Microphones [Metal Housing & Durable Braided /
Sound Devices USBPre 2 USB Audio Interface | Sweetwater
AG06MK2 6-Channel Loopback Audio USB Mixer - Yamaha USA
Native Instruments Komplete Audio 2 USB Audio Interface | Sweetwater