The Shure RPM181/BI is a bidirectional capsule for the Beta 181 small-diaphragm side-address condenser microphone. Bi-directional capsule replaces the capsule for a Beta 181 microphone. The bi-directional capsule is ideal for mono-drum overheads and dual instrument sound source applications.
Frequency Response: 20 to 20,000 Hz
Polar Pattern: Bidirectional
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