The low-cut filter minimizes low-frequency background noise and rumble This mic provides superior sound than the built-in microphones of DSLR cameras, video cameras, audio recorders and supports three-level gain control (-10, 0, and +20 dB). The 3.5mm output mini-jack connector makes it compatible with DSLRs, camcorders, audio recorders, and other devices as well as to capture broadcast-quality recordings that are clear and precise.