The Shure QLXD2/SM58 is an integrated digital wireless handheld transmitter that combines the reliable performance of the QLX-D wireless platform with the legendary sound of the SM58 dynamic microphone capsule. This ready-to-use system delivers the trusted, road-proven vocal characteristics of the SM58—including its tailored presence boost and effective cardioid pattern—within a robust digital wireless package. The transmitter operates on the QLX-D digital UHF platform, utilizing 24-bit audio transmission to provide clear, uncompromised sound quality with a wide dynamic range and extremely low latency, ensuring perfect synchronization with other audio sources. The digital transmission is inherently immune to the interference and noise artifacts associated with analog companding systems.

The transmitter body is built around the familiar, ergonomic form factor of an SM58, housing the wireless electronics within the handle. It features a clear LCD screen that displays operating frequency, battery life, and audio settings. The system is designed for ease of use and reliability, with features such as automatic frequency scanning to quickly find and select the clearest available channel within a compatible group. It also includes 128-bit AES encryption for secure audio transmission, which is crucial for confidential corporate, government, or theatrical productions. Power is supplied by two standard AA batteries, offering long operational life suitable for extended performances or events.

The QLXD2/SM58 system represents a significant step up in wireless performance, offering the simplicity of a plug-and-play solution without sacrificing professional-grade features. It eliminates the need to pair separate transmitters and microphone capsules, guaranteeing optimal compatibility and performance straight out of the box. This system is an ideal choice for touring musicians, corporate presenters, worship leaders, and theater professionals who require a high-performance, secure, and easy-to-use wireless microphone solution centered on the world's most recognizable and trusted vocal microphone.