USB Audio Adapter External Sound Card - USB Audio Adapters | Add-on Cards & Peripherals | StarTech.com
Sound Detector - LMV324 - RobotShop
Mooer Preamp Model X2 – Thomann United States
USB Sound Card Audio Adapter w/ SPDIF - USB Audio Adapters | Add-on Cards & Peripherals | StarTech.com
Amazon.com: beyerdynamic DT 770 PRO 250 Ohm Over-Ear Studio Headphones in Black. Closed Construction, Wired for Studio use, Ideal for Mixing in The Studio : Musical Instruments