The Shure RK143G Replacement Grille is a genuine Shure replacement microphone grille designed for the legendary SM58 vocal microphone and compatible SM58 wireless handheld transmitters. Featuring the familiar spherical steel-mesh design, the RK143G provides a practical solution for replacing a dented, damaged, or worn microphone grille without purchasing an entirely new microphone.
Whether maintaining a single SM58 or servicing a large microphone inventory, the RK143G helps preserve the microphone's protective construction, professional appearance, and intended wind and breath-noise filtering.
Genuine Shure SM58 Replacement Grille
The RK143G is the manufacturer-specified replacement grille for Shure SM58 microphones.
Unlike generic microphone grilles that may differ in fit or construction, this genuine Shure component is designed for the SM58's distinctive spherical microphone head.
The replacement grille is suitable for professional vocal microphones used in live performances, churches, schools, theaters, recording facilities, and sound reinforcement systems.
Durable Spherical Steel-Mesh Construction
The Shure SM58 is recognized for its rugged microphone design, including a spherical steel-mesh grille that helps protect the internal microphone cartridge.
During regular use, microphone grilles can become dented from accidental drops, impacts, or repeated transportation.
The RK143G provides a replacement for the protective outer grille, helping maintain the microphone's original design while avoiding unnecessary replacement of the complete microphone.
Built-In Wind and Pop Filtering
The SM58's grille assembly incorporates filtering that helps minimize unwanted breath and wind noise during vocal performances.
This is especially important when singers and presenters speak or sing close to the microphone, where bursts of air from certain consonants can produce distracting popping sounds.
Replacing a damaged grille with the correct Shure component helps maintain the intended protective and filtering arrangement around the microphone capsule.
Compatible with Wired and Wireless SM58 Microphones
Shure identifies the RK143G as a replacement grille for wired SM58 microphones and compatible SM58 wireless handheld transmitters.
This makes it useful for sound technicians maintaining both traditional wired microphones and wireless systems equipped with SM58 microphone heads.
The RK143G is not a universal replacement for every Shure handheld microphone. Other models, including the Beta 58A, use different replacement grille assemblies.
Confirm the microphone model before ordering.
Convenient Replacement for Microphone Maintenance
The RK143G is designed to replace the existing SM58 grille assembly.
On compatible microphones, the original grille can be unscrewed and the replacement installed without disassembling the microphone's internal electronics.
This makes it a practical maintenance item for microphone fleets used by production companies, schools, houses of worship, and rental sound providers.
Inspect the microphone cartridge and grille mounting threads before installation to ensure that other damage does not require additional service.
Restore a Professional Microphone Appearance
A microphone may continue functioning properly even after its grille becomes visibly dented or worn.
Replacing the grille can help restore the microphone's familiar appearance while maintaining protection for the internal cartridge.
For venues and performers who regularly use SM58 microphones, keeping replacement grilles available can help maintain equipment presentation and reduce unnecessary replacement costs.
Shure RK143G Key Features
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Genuine Shure OEM replacement grille for SM58 microphones
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Compatible with wired SM58 microphones and supported wireless SM58 handheld transmitters
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Spherical steel-mesh construction matching the original microphone design
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Protective grille assembly for the internal microphone cartridge
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Integrated wind and breath-noise filtering
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Replacement for dented, damaged, or worn grilles
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Threaded installation on compatible SM58 microphone heads
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Maintains the classic SM58 appearance
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Suitable for professional microphone maintenance
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Practical alternative to replacing a complete microphone when the grille is the only damaged component
Technical Specifications
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Specification
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Details
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Manufacturer
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Shure
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Model Number
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RK143G
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Product Type
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Replacement microphone grille
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Compatible Microphone
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Shure SM58
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Wireless Compatibility
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Compatible SM58 wireless handheld microphone heads
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Grille Design
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Spherical
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Construction
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Steel mesh
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Finish
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Matte silver-colored grille
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Wind/Pop Protection
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Integrated filtering in grille assembly
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Installation
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Threaded replacement
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Microphone Cartridge Included
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No
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Microphone Included
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No
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Typical Applications
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Live sound, microphone maintenance, professional vocals, presentations
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Compatible Microphone Applications
The Shure RK143G is intended for compatible microphones using the SM58 grille design, including:
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Shure SM58-LC wired vocal microphone
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Shure SM58S wired vocal microphone with on/off switch
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Compatible Shure SM58 wireless handheld transmitters
For wireless systems, verify the exact transmitter and microphone-head configuration before purchasing.
Why Buy the Shure RK143G from Audio Supply?
Audio Supply offers genuine Shure microphone accessories and replacement components for professional audio installations, performers, and sound technicians.
The RK143G provides a convenient way to replace a damaged SM58 grille while retaining an otherwise functioning microphone. It's a practical maintenance item for customers who depend on their SM58 microphones for regular performances and presentations.
Need a Replacement SM58 Cartridge?
If your microphone has a damaged internal capsule rather than just a dented grille, consider the Shure R59 Replacement Cartridge for compatible wired SM58 microphones.
For customers who need a complete microphone instead of replacement parts, the Shure SM58-LC Dynamic Vocal Microphone provides the complete wired microphone assembly.
