The Shure ULXD2/SM58=-G57 Handheld Transmitter combines the legendary sound quality of the SM58 cardioid dynamic microphone capsule with the advanced digital wireless performance of Shure’s ULX-D series, operating in the G57 frequency band (470–516 MHz). Built for professional live sound, corporate, and broadcast applications, this rugged handheld transmitter delivers pristine 24-bit/48 kHz digital audio with an extended 120 dB dynamic range, ensuring crystal-clear vocals with rock-solid reliability. Its SM58 capsule provides the classic tailored vocal response and excellent off-axis rejection that has made it the industry standard for decades, while ULX-D’s secure AES 256-bit encryption and efficient spectrum usage allow for large, interference-free multi-channel setups. The lightweight yet durable metal housing features a backlit LCD for intuitive menu navigation, frequency selection, and transmitter status, with up to 9 hours of runtime using two AA batteries or the optional SB900A rechargeable pack with dockable charging. Ideal for touring, worship, and installed sound environments, the ULXD2/SM58 offers uncompromising wireless audio performance in a trusted handheld format.