Shure In-Line Microphone Preamplifier for Beta91, Beta 98, Beta 98D/S, WL50, WL51, WBH53 (Beta 53), WBH54 (Beta 54), WB98H/C (Beta 98)

The Shure RPM626 is an in‑line preamplifier designed to improve the performance of compatible Shure microphones. It sits between the microphone and mixer/interface, providing enhanced resistance to radio frequency (RF) interference and helping maintain clean, reliable audio in challenging environments. It’s compact and rugged, making it suitable for live sound, theater, broadcast, and portable setups.

Key Features
• In‑line preamplifier that boosts a microphone signal and reduces RF interference
• Designed for use with specific Shure microphones with TA4M/TA4F connectors
• Converts TA4M/TA4F microphone output to a standard 3‑pin XLR output
• Helps preserve audio clarity in environments with wireless gear, transmitters, or other RF sources
• Easy integration into professional audio setups
• Compact and lightweight for unobtrusive placement in mic chains
• Requires phantom power (11–52 V DC) from the mixer/interface