Shure RPW112 — Replaceable Dynamic Head for Wireless Microphone The Shure RPW112 is a professional replaceable cartridge (replacement capsule) designed specifically for users of Shure wireless microphones. It is a direct replacement for the SM58 dynamic capsule—one of the most recognizable microphone capsules in the world, renowned for its excellent sound quality and reliability. With it, you can restore your microphone to full working order without the need to replace the entire device. Product Features SM58 Dynamic Capsule Replacement — delivers the same tonal characteristics and sound quality as the original capsule. Electrically and Mechanically Replaceable — compatible with any Shure microphone-transmitter from the listed series. Wide Compatibility — fits microphones from the L, LX, T, EC, SC, UC, ULX, SLX, Performance Gear, UHF, and UHF-R series. Gold-Plated Sliding Contacts — ensure a stable and hassle-free electrical connection. Mounting Key Included — includes a 0.9 mm (0.035 inch) hex key for easy removal and installation of the capsule. Professional Capabilities for Your Wireless Microphone The Shure RPW112 capsule is designed as a direct replacement for the popular SM58 dynamic capsule, meaning it retains its distinctive acoustic features—full, warm sound with a clear midrange, ideal for vocals and speech. As a result, after replacing the capsule, your Shure wireless microphone will sound just as good as the day it was purchased, or even better if the old capsule was heavily worn. The capsule is fully compatible with Shure microphone-transmitters from many series of wireless systems, including the flagship ULX, UHF-R, and SLX lines. This means that regardless of whether you use a stage, studio, or presentation system, the RPW112 will fit your device. The screw-in (cartridge) connection ensures secure and durable mounting, while the gold-plated sliding contacts provide a stable audio signal without interference or crackling. Replacing the capsule is a simple process—the kit includes a 0.9 mm (0.035 inch) hex key, which allows for easy removal of the worn head and installation of the new one. No additional tools or specialized technical knowledge are required. This is a quick and economical way to extend the life of your Shure wireless microphone and maintain the highest sound quality during performances, recordings, and presentations. Applications Replacement of a damaged or worn capsule in a Shure wireless microphone Upgrading and maintaining existing Shure microphones in full working order Professional stage applications—concerts, shows, events Studio and radio recordings requiring reliable sound quality Presentation and conference systems based on Shure wireless microphones Detailed Technical Specifications Capacitor type: Dynamic Replacement for: SM58 capsule Connection type: Screw-in (cartridge) Required mounting key: 0.9 mm (0.035 inch) Compatible series: L, LX, T, EC, SC, UC, ULX, SLX, Performance Gear, UHF, UHF-R Contacts: Gold-plated sliding contacts Materials and Construction The Shure RPW112 capsule is made from high-quality materials, ensuring durability and reliability in intensive use. A key element of the design is the gold-plated sliding contacts, which ensure a stable electrical connection between the capsule and the microphone-transmitter. The gold plating protects the contacts from corrosion and oxidation, resulting in long-term audio signal quality. The capsule housing is designed to fit precisely into the threads of Shure microphones, guaranteeing secure and stable mounting. Package Contents Shure RPW112 Capsule 0.9 mm (0.035 inch) Hex Key Summary The Shure RPW112 is a proven and reliable solution for every user of Shure wireless microphones. As a direct replacement for the SM58 capsule, it guarantees identical sound quality, and its wide compatibility with many wireless system series makes it a universal service component. Replacing the capsule is the simplest way to restore full microphone functionality without replacing the entire device. With gold-plated sliding contacts, a screw-in connection, and an included mounting key—everything you need is in one kit.