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A microphone that requires phantom power will not work without it. Phantom power is a method to feed 48v to the microphone through the 3-connector XLR plug. You'll need to plug that mic into a preamp or mixer input that provides phantom, or alternatively various companies make a DI box that provides phantom power.


3.5mm mic jacks might (sometimes supported by a jumper or different sound card setting) provide "plugin power". It can power electret condenser capsules with the typical single-FET preamplifier and works, for example, for the surprisingly good stereo clip microphones that were available for Minidisc players. Regular phantom power, however, is 40V to 48V ...


Not all condenser mics need phantom power. Not all amps/mixers provide it. If the mic in question needs it, and the amp doesn't provide it, then it won't work. Usually phantom power is provided through the XLR (Cannon) plug/socket. By using an XLR-jack adapter, the power may well be lost through the connection.

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