Aston Microphones Spirit Black Bundle Production Kit with Pop Filter and Shock MountProduction Kit Pairing a Rock'n'Roll Black Version of Aston's Legendary Spirit Microphone with the SwiftShield Pop Filter and Shock Mount Set The Aston Spirit is a high performance, switchable pattern, microphone utilising a one inch, dual diaphragm, gold evaporated capsule. A switch on the mic body selects from omni, cardioid or figure of eight polar patterns. It is versatile enough to use with most instruments in addition to main and backing vocals.