Shure RPM626 — In-Line Preamplifier for Shure Microphones
RPM626 Overview
The Shure RPM626 is an in-line preamplifier engineered to boost resistance to RF interference when used with compatible Shure microphones. Designed for use with the WBH53, Beta 53, Beta 91, Beta 98, MC50B, WB54, PGA31, and MC51B, the RPM626 addresses signal integrity challenges in RF-dense environments such as broadcast facilities, houses of worship, and live performance venues. It is an essential accessory for engineers and system integrators who require reliable, clean signal paths from their Shure microphone systems.
The in-line form factor allows for straightforward integration into existing cable runs without disrupting signal chain layout or requiring additional rack space.
Key Features
- RF Interference Rejection — Boosts resistance to RF interference, protecting signal integrity in environments with high RF activity
- Compatible Microphone Support — Designed specifically for use with WBH53, Beta 53, Beta 91, Beta 98, MC50B, WB54, PGA31, and MC51B microphones
- In-Line Form Factor — Installs directly in the signal chain without requiring additional mounting hardware or rack space
- Shure Build Quality — Manufactured to Shure’s professional accessory standards for reliable, long-term deployment

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