Specifications include, but are not limited to: Brand: Shure Manufacturer Model Number: MX418DC Quantity: 11 to 13 Description: Fully adjustable cardioid gooseneck microphone designed for podium and desktop use in speech, presentations, conferences and more. The microflex gooseneck microphone series offers the flexibility of removable capsules offering cardioid (included) supercardioid and omnidirectional polar patterns. Features high sensitivity and balanced, transformerless output for maximum immunity to electromagnetic hum and RF interference, even over long cable runs. • Wide dynamic range and frequency response for accurate sound reproduction across the audio spectrum • Interchangeable cartridges provide the right polar pattern for every application • Balanced, transformerless output for increased immunity to noise over long cable runs.