The Shure SLXD2/B87A-K59 Wireless Handheld Microphone Transmitter is a wireless version of Shures beloved Beta 87A dynamic microphone that can operate completely wirelessly. Bringing the detailed lively high-end and accuracy of a perfect live vocal mic the SLXD2/B87A is a faithful rebuild of the Beta 87A updated to be used in the world of wireless performance. Featuring the same focused supercardioid pickup pattern and bright crisp high-end that made the wired original such a sought-after microphone this capsule is detailed and focused. Whether youre conducting interviews giving presentations or rocking the stage with a full band the SLXD2/B58 has you covered. Featuring high-resolution 24-bit audio and reliable RF performance the SLXD2/B87A is packed with the fantastic sound quality expected of Shures wireless components. Intuitive and easy to use this handheld transmitter quickly syncs to compatible receivers with minimal dropout. With an extended frequency range of 20 Hz to 20 kHz this transmitter provides a full detailed transmission throughout all of the audible frequency spectrum allowing the character of the Beta 87A capsule to truly shine. Free yourself of wires without compromising on sound with the SLXD2/B87A.