Lewitt Reference Class Dual Element Bass Drum Microphone (DTP-640-REX) Innovative dual-element design (dynamic and back-electret condenser) accurately captures the sharp attack of the beater as well as the round tonalities of the shell 3-position switchable Enhanced Frequency Response provides various tailored frequency responses on separate channels for maximum creative freedom Frequency response specifically tuned for kick drum applications and bass instruments 3-position switchable pre-attenuation pad (0 dB, 10 dB, and 20 dB) for handling extremely high sound pressure levels Hardened hexagonal ruthenium-galvanized steel mesh grille to prevent wear and abuse