BALANCED XLR INPUTS AND OUTPUTS: Input voltage provides reliable 48V phantom power for condenser microphones, and transmitt sound signals to sound card. Comes with a 2 meters long 3.5mm to xlr female cable（gift）, allowing you to connect the microphone to mobile phones, computers and other devices..1 CHANNEL: The condenser microphone equipment features a single channel unit with balanced mic input and output that can be connected in line with your mic and mixer, transfer sound signal to sound card accurately and completely..48V POWER SUPPLY: Compatible with various Condenser microphone music recording devices. With power switch and indicator light, easy to operate. Can be carried with you in different scenes, Perfect for Podcast, Music Studio and Live performance use..WITH XLR 3 PIN CABLE: Universal XLR input and output, compatible with a variety of microphone music recording equipment; XLR 3 pin cable with high quality XLR male and female connectors is included..STABLE AND DURABLE: The phantom power supply is made of stable and reliable aluminum alloy material. The structure is sturdy and durable for long time use. If you have any questions, you can send us an email and we would appreciate it if you like our products.