Shure RPW118 Wireless Beta 58A Cartridge

Shure RPW118 — Wireless Beta 58A Replacement Cartridge

RPW118 Overview

The Shure RPW118 replaces the complete cartridge housing assembly and matte grille on wireless Beta 58A microphones, returning the mic to factory-spec performance without requiring full unit replacement. Designed as a direct-fit component, it is the correct service solution for touring companies, houses of worship, and production facilities maintaining an existing inventory of wireless Beta 58A handheld transmitters. Keeping spare RPW118 cartridges on hand minimizes downtime during active production cycles.

The RPW118 includes the cartridge, housing assembly, and matte grille as a complete replacement unit, ensuring all wear-prone components are addressed in a single service procedure.

Key Features

• Complete Cartridge Assembly — Replaces the cartridge, housing assembly, and matte grille in a single kit for a thorough restoration
• Beta 58A Compatibility — Designed specifically for wireless Beta 58A handheld transmitters, ensuring a precise mechanical and acoustic fit
• Matte Grille Included — Replaces the original matte grille alongside the capsule assembly, restoring both function and appearance
• Factory-Spec Restoration — Returns the microphone to original Beta 58A performance characteristics without full unit replacement
• Inventory Serviceability — Enables in-house maintenance for touring rigs, installed systems, and rental fleets carrying wireless Beta 58A transmitters

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