Lewitt Premium Dynamic Performance Microphone (MTP-840-DM) Proprietary dynamic capsule tuned specifically for demanding vocal applications, with brightened range and extended low end Uniform super cardioid pickup pattern for maximum isolation of the main sound source Optional active mode provides superior dynamic range of 121 dB-A and extremely low self-noise of 19 dB-A Optional 3-position switchable amplification for unrivalled signal quality in demanding environments 3-position switchable high-pass filter for direct adjustment of proximity effect according to application and artist