The Shure SLXD2/SM58-K59 Wireless Handheld Microphone Transmitter is a wireless version of Shures beloved SM58 dynamic microphone that can operate completely wirelessly. Bringing the present crisp sound of the industry-standard live vocal microphone the SLXD2/SM58 is a faithful rebuild of the SM58 updated to be used in the world of wireless performance. Whether youre conducting interviews giving presentations or rocking the stage with a full band the SLXD2/SM58 has you covered. Featuring high-resolution 24-bit audio and reliable RF performance the SLXD2/SM58 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 SM58 capsule to truly shine. Free yourself of wires without compromising on sound with the SLXD2/SM58.