System Details

PSM®300 Stereo Personal Monitor Systems deliver reliable wireless freedom to every corner of the stage. Patented Audio Reference Companding ensures the clearest sound, with ultra-low noise and no artifacts. 
Easy to setup and operate, PSM 300 systems offer one-touch frequency scan and sync to find and assign a clean wireless channel. Adjust the volume and use MixMode® technology or stereo mode to create a personal mix from two channels of audio.  


  • 24-Bit digital audio provides clear, detailed sound
  • Up to 90 dB signal-to-noise ratio 
  • Exceptionally wide stereo separation
  • Solid analog RF connection over a 300 ft (90 m) range
  • Half-rack, single-channel transmitter includes rackmount kit
  • P3R bodypack systems available with SE112 Sound Isolating™ Earphones
  • P3RA professional bodypack systems available with SE215 Sound Isolating Earphones

Available Bands

G20 (488.150 – 511.850 MHz)  
H20 (518.200 – 541.800 MHz)  
J13 (566.175 – 589.850 MHz)  

Which Band Should I Choose?

Find out which band for the PSM 300 has the most available wireless channels in your location. Already own the PSM 300? Use the Wireless Frequency Finder Tool to find frequencies.

Software & Downloads


File Language Type File Size
PSM 300 Brochure English PDF 349 kb

CAD Drawings

File Language Type File Size
PSM 300 CAD Drawings English ZIP 535 kb

Wireless Frequency Compatibility Charts

File Language Type File Size
PSM 300 Wireless Compatibility Chart English PDF 366 kb


File Language Type File Size
A Quick Guide To Personal Monitor Systems English PDF 435 kb

Specification Sheets

File Language Type File Size
PSM 300 Specification Sheet English PDF 550 kb

User Guides

File Language Type File Size
P3RA User Guide PDF
PSM 300 User Guide

Product Support

Find Wireless Channels for Your System

The Wireless Frequency Finder tool provides recommended channels for all Shure wireless systems.

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