*****Input Voltage: 110V***** *****Delivers reliable 48V phantom power for condenser microphones and transfer sound signal to sound card in a compact, durable, plastic housing.***** *****Universal XLR input and output, compatible with all kinds of microphone music recording equipment.Comes with one XLR audio cable with high quality XLR male and female connectors.***** *****Features a single channel unit with balanced mic inputs and outputs to connect in-line with your mic and mixer.***** *****On/off power switch and LED indicator for ease of operation. One Adapter is included. Simple to use and ideal for stage and studio use.***** *****Note: Phantom power provides a 48V voltage to the condenser microphone, but phantom power does not enhance the microphone sound quality and improve the normal volume; Microphone, Pop Filter, Mic Stand and 3.5mm to XLR Female Microphone Cable in the picture Not Included