Amazon.com: Xvive P1 Phantom Power Supply 48V/12V Switch,Up to 40 Hours of Use,Rechargeable Portable Phantom Power for Condenser/Shotgun Microphones, Mic Preamp, Recording Studios : Musical Instruments
Audioroot Femto - Battery powered stereo mic preamp with 48V phantom power - Nordic Pro Audio ApS
FEL Mini MicBooster Preamp - micbooster.com
TC Electronic Helicon GO VOCAL High-Quality Microphone Preamp for Mobile Devices 000-DP600-00010
Sound Devices MM-1 Mic Preamp - Rule Boston Camera
Rolls MP13 Mini-Mic Preamp with Phantom Power
Mic Boosters - Transom
Sescom SES-IL-MICPRE Active Inline XLR Microphone Preamplifier with Power Switch & Adapter
RP-1 Mic Preamp – ART Pro Audio
ART Dual RP Dual Phantom Powered Mic Preamplifier | Sweetwater