The Shure Wireless KSM9 Black Cartridge is a premium condenser microphone capsule designed for high-end wireless applications, delivering studio-quality sound with unparalleled clarity and precision. Featuring a dual-diaphragm design, the KSM9 offers switchable cardioid and supercardioid polar patterns, allowing for versatile sound capture that adapts to different performance environments. This flexibility ensures that the KSM9 can maintain superb audio quality, even in challenging acoustics, while reducing unwanted background noise and feedback. With its advanced frequency response, the KSM9 reproduces vocals with exceptional detail, providing natural highs, smooth mids, and rich lows. The rugged construction and sleek black finish not only enhance durability but also add a professional aesthetic, making it ideal for touring and live performances. The Shure KSM9 Black Cartridge is compatible with Shure's wireless transmitters, making it a top choice for vocalists seeking outstanding performance and reliability in a wireless format.