Camera Overload Protection - Audio Output Bracketing: The Riggy-Assist incorporates Audio Output Bracketing (patent pending) for camera overload protection * Designed for Battery Life Efficiency: The Riggy-Assist uses a 9V battery and is a high-current device when all of the elements are in operation (phantom power, meter, etc). However, the Riggy-Assist has a number of features to allow you to optimize your battery life * Cameras and Recorders for the Riggy-Assist: The Riggy-Assist is designed to be used with cameras which do not have manual control, meters, or headphones. The preamp adds AGC Disable, meters and headphones that are missing in the camera * 2XLR input low-noise preamp, amplified mic level output (3.5mm stereo minijack) * 4 Segment R/L meters (each) which can be calibrated to camera