The Shure SM7dB is an active dynamic microphone that builds on the legendary Shure SM7B by adding a built-in, phantom-powered preamp. This removes the need for an external "booster" like a Cloudlifter for users with standard audio interfaces. Key SpecificationsAudio PerformanceType: Dynamic (Moving Coil).Polar Pattern: Cardioid (unidirectional) for excellent off-axis rejection.Frequency Response: 50 Hz to 20,000 Hz.Sensitivity (at 1 kHz):Bypass Mode: -59 dBV/Pa.+18 dB Mode: -41 dBV/Pa.+28 dB Mode: -31 dBV/Pa.Max SPL: 180 dB.Integrated PreampSelectable Gain: Provides either +18 dB or +28 dB of extra gain.Bypass Switch: Can be completely bypassed to function exactly like a standard passive SM7B.Power Requirement: Requires 48V Phantom Power to operate the preamp.