The Pro-3.1 microphone is dynamic microphone with a strong, wire-mesh, spherical front grille that contains a highly effective wind and "pop" filter. -- Adopting super cardioid dynamic cartridge with highly consistent super cardioid pattern at 120 off-axis, it creates superb isolation and unsurpassed gain-before-feedback, optimized for using in vocal, speaking and instrument performance. The feature of noise absorption eliminates external and handling noise.