Shure BETA 181/Bi Instrument Microphone

The Shure BETA 181/BI instrument mic is a Shure BETA RPM181/Pre preamp fitted with a Shure RPM181/BI bidirectional capsule. The RPM181/BI capsule is ideal for mono drum overheads, and dual instrument sound source applications.The Shure BETA 181 a multipurpose instrument microphone and can be used on a wide variety of applications, including guitars, bass and drums (overheads and snares). It has a small-diaphragm design that provides superior audio with textbook polar responses in a form factor compact enough to get close to the source in the tightest conditions. The BETA 181 has a precision-engineered, side-address design that features an innovative locking ring to provide secure connection between capsule and preamplifier with integrated XLR connections.There are four different capsules available for the BETA 181 microphone: Cardioid (RPM181/C), Supercardioid (RPM181/S), Bidirectional (RPM181/BI), Omnidirectional (RPM181/BI). This makes the BETA 181 an extremely versatile and cost-effective mic that allows the user to interchange capsules according to the application. (Additional capsules sold separately). It comes with a mic clip, zippered carrying case and windscreen.This microphone requires phantom power and performs best with a 48 VDC supply (IEC-61938). However, it will operate with slightly decreased headroom and sensitivity with supplies as low as 11 VDC.