The SGV-6 Vocal Mic is a highly directional shotgun vocal microphonedesigned to isolate your voice by suppressing sounds from otherinstruments on stage and other ambient noise which can leak into atraditional mic s signal. It accomplishes this by utilizing threemicrophone elements with special processing to help ensure only yourvoice is picked up. This enables vocal processors such as the Zoom V6and V3 to modulate your voice with unmatched accuracy. The SGV-6 ssensitivity is -46dB/Pa at 1 kHZ for each of the three mic units with amaximum sound pressure input of 140 dB SPL