Warm Audio TB12/500 - Tone Beast Microphone Preamplifier for 500 Series Rack
Amazon.com: Warm Audio TB12 Tone Beast Microphone Preamp - Black Mic/Instrument Preamp with Variable Character, 71dB of Gain with V-Moda Forza in-Ear Headphones and Gravity Magnet Phone Holder Bundle : Musical Instruments
Warm Audio Toneshaping Discrete Mic Preamp - Black | Long & McQuade