The Sennheiser e902 is a dynamic cardioid microphone designed specifically for use with bass drums, bass guitar amps and tuba. It really brings out every nuance of your deep instruments helping them sit in the mix with an articulate sound profile. The bass instrument microphone features an optimized frequency response which offers a pronounced dampening of the mid-range and an accentuated emphasis of the high end and bass. With a rugged metal housing that meets the hardest of demands during travelling and live gigs.