The SmartRig+ makes your recording work easier by connecting professional microphones and guitars (or other instruments) to your smartphone, tablet, DSLR camera or video camera. 2 independent channels allow you to connect and control gain on multiple microphones or guitars at the same time. The interface also features 3 types of input to accommodate any set up: two XLR mic inputs, two 1/4" (6.35mm) guitar inputs, and two 1/8" (3.5mm) jack inputs for connecting any instrument or microphone. Outputs to a standard 1.8" 3.5mm cable for use with, smartphones, cameras and other devices. Provides 48V phantom power for microphones, and includes a 3.5mm headphone output for real-time sound monitoring. The two gain control thumbwheels make it easy to set precise levels.Toggle between Mono and Stereo output modes as necessary. Powered by one 9V battery.