YueYueZou&reg; 48V Phantom Power Supply Standby Power for Condenser Microphone Music Recording Equipment The Phantom Power Supply delivers reliable 48V phantom power for condenser microphones and transfer sound signal to sound card. DURABLE 48V PHANTOM POWER: Strong power supply build for condenser microphones for sound signal transfer to sound cards. COMPACT POLISHED DESIGN: Aluminum black anodized surface is stylish yet portable for flexibility in use on stage, in the studio, outdoors and in a variety of environments. EASY TO OPERATE: One channelled system can be controlled with a simple on-off switch and LED indicator. DURABLE ALL-METAL HOUSING: Full metal housing allows for durability and protection against elements.