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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
AKG B29L Battery Powered Phantom Power Supply | Reverb
PSC 48 PHantom - Single Channel Battery Operated Phantom