Two Channels of Rock-solid SLX-D+ Wireless Building upon the legacy of Shure’s industry-leading SLX-D series, the SLXD24D+/SM58 is a wireless microphone system with an SLXD4D+ 2-channel receiver and two SLXD2+ handheld transmitters. The SLXD4D+ delivers crystal-clear sound and agile RF performance, while a wide tuning range ensures broad-spectrum compatibility in myriad locations. Moreover, ShowLink Ease equips you with real-time wireless remote control and monitoring of the included SLXD2+ transmitters, allowing you to adjust settings without interrupting your performance. Finally, the SLXD24D+/SM58 features SM58 capsules, equipping you with what’s arguably the industry-standard live-vocal sound, famously wielded on concert stages all over the world.