B9 Cardioid Large-Diaphragm Bottle Cap

With a shimmering high-end, smooth midrange and intimate presence, the B9 Bottle Cap delivers commanding vocal and acoustic guitar performances that sit in front of the mix. Swappable with other Bottle Caps and custom made for Bottle and Bottle Rocket Stage One microphones, the B9 extends your collection of meticulously tailored mic sounds to perfectly capture your varied sound sources. It is a part of Blue's Bottle Cap Series. 

The Bottle Cap Series offers an unprecedented creative palette for Bottle and Bottle Rocket Stage One mics. Inspired by the most coveted mics in recording history and forged for modern applications, the Bottle Caps embrace the past to define the future. The series delivers an extraordinary variety of timbres and polar patterns—with options ranging from vintage to modern—forming a world-class collection that would cost tens of thousands of dollars to obtain with individual mics. With the Bottle Caps, you can capture the unique character, dimension, and nuances of timeless performances from any vocalist or instrument.