Shure KSM32/SL Embossed Single-Diaphragm Cardioid Condenser Studio Microphone, Champagne Class A, transformerless preamplifier circuitry eliminates cross-over distortion for improved linearity across the full frequency range. Embossed, high-compliance diaphragm provides extended low-frequency response. Ultra-thin, gold-layered, low-mass, Mylar diaphragm for excellent transient response 15 dB attenuation switch for handling extremely high sound pressure levels (SPL) Switchable low-frequency filter provides greater flexibility to reduce background noise or to counteract proximity effect. Integrated three-stage pop protection grille reduces "pop" and other breath noise Internal shock mount reduces transmission of handling noise