Provide Reliable and Efficient Phantom Power delivery to condenser mic with 2 channel 48V DC supply. Built-in low pass filter circuit eliminates noise from external audio sources ensuring clean audio. Universal XLR input and output offer broad compatibility with all microphones & recording equipment. Dedicated On/Off Power Switch for easy operation. Ideal for stage & studio use. Power Cord included. Isolated voltage-boosting technology prevents the ground signal interference & improves performance.