JLCooper MLA-XLR MIDI Line Amplifier Over Balanced Audio Cables
Amazon.com: Elgato Wave DX with Cable - Dynamic XLR Microphone with 10ft/3m XLR Cable, Speech optimised for Podcasting, Streaming, Broadcasting, No Signal Booster Required, Works with Any Interface, PC/Mac : Musical Instruments
Klark Teknik Mic Booster CM-2 – Thomann United States