Shure RPW112

The RPW112 is the wireless SM58 cartridge, a factory replacement that restores the classic SM58 sound to a Shure handheld wireless transmitter. It is a complete assembly, so it swaps the cartridge, the housing, and the matte grille in one part rather than a bare capsule. The dynamic element carries the same tailored midrange presence and built-in pop filtering that made the wired SM58 a stage standard, with a cardioid pattern that favors the vocalist and rejects off-axis noise.

Use it to bring a worn or damaged wireless SM58 head back to spec, or to change the voicing of a transmitter that currently wears a different head. Because it is part of Shure's interchangeable wireless cartridge line, it threads onto the transmitter body and can be swapped for another RPW-series cartridge without replacing the transmitter itself.