The Shure A901B-R-PM-1.5IN is a round, black pole mount kit designed for securely installing the MXA901 ceiling microphone onto a standard 1.5" threaded NPT pole. Ideal for open-ceiling and modern architectural spaces, it provides stable, precise positioning with a clean, professional finish. Durable and easy to integrate, it ensures reliable mounting for optimal microphone coverage in corporate and educational environments.