Ohuhu Phantom Power Supply, a device used in audio setups

Previously owned and works perfectly (tested) Purpose: It provides 48V DC power through an XLR cable to active electronic devices, primarily condenser microphones, which require external power to operate. Function: Phantom power energizes the microphone's sensitivity, allowing it to pick up sound more effectively. Compatibility: While essential for condenser microphones, phantom power is not required for all microphones, such as dynamic microphones, which can operate without it. Usage: Phantom power supplies are often integrated into mixing consoles or audio interfaces, or they can be standalone units like the one pictured. Safety: It's important to turn on phantom power after connecting the microphone and turn it off before disconnecting to prevent potential damage to the microphone or speakers