Blue Microphones Bottle Cap Kit 5

5 Capsules (B1, B2, B3, B4, B5)
In stock

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Blue Microphones Bottle Cap Kit 5 Interchangeable capsule system

The Bottle Caps are Blue's innovative system of 5 interchangeable capsules, each offering the recordist a different tonal characteristic and pickup pattern. From airy highs to larger-than-life lows, the Bottle Caps capture anything from vocals to bass, wind instruments to horns — and everything in between with a level of detail and clarity found in only the most expensive and rare vintage classics. The Bottle Caps work with Blue's Bottle, Bottle Rocket Stage Two, and Bottle Rocket Stage One mics, or any microphone with a foundation for interchangable capsules. Each capsule in the series is numbered from B1 to B5, and each has their own unique sound. This kit comes with case. There is a short video on my Pure Wave Audio YouTube Page to view if you would like to hear some of the the capsules.


  • Bottle Cap : B1 Cardioid Small Diameter (Schopes 221B reference)

  • Bottle Cap: B2 Figure of 8 Large Diameter (informed by RCA 44 reference)

  • Bottle Cap: B3 Cardioid Mid Diameter (TLM170 reference)

  • Bottle Cap: B4 Sphere Omni Small Diameter (informed by M50 reference)

  • Bottle Cap: B5 Omni Large Diameter (informed by M55K reference)

  • Case
More Information
Manufacturer Blue Microphones
Condition New
Model Bottle Cap Kit 5
Features Switchable Capsules
Microphone Form Factor Handheld/Stand-Held
Pickup Pattern Cardioid
Rolloff No
Pad No
Enhancement No
Bundled Yes
Bundled Items Carry Case/Bag
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