Audix OM7 Dynamic Microphone The OM7 microphone from Audix delivers a clear, natural, and undistorted sound, even under the most challenging concert conditions. Designed specifically for pro touring, the OM7 mic features a controlled low-gain output stage resulting in significantly higher gain before feedback. Extreme hypercardioid pattern. Ultra-linear 45Hz-19kHz frequency response. 144dB SPL handling.