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Acorn Designs, LLC :: Sound Design, Consulting, Sales and Rentals. Sound Design, Consulting, Sales and Rentals.

OSP WMS-400 UHF In Ear Wireless Stereo Personal Monitor System


OSP WMS-400 UHF In Ear Wireless Stereo  Personal Monitor System 

We are an authorized OSP dealer.


The WMS-400 UHF In Ear Wireless Stereo Personal Monitor System is a UHF PLL Stereo/Mono in ear monitor system with 961 preset channels and dynamic limiter. Features Stereo mode or Mix/Mono mode for dual monitor mixing.





The OSP WMS-400 full-featured wireless in-ear systems is rugged and reliable, delivering superb sound for all professional broadcast, recording, touring and installed sound applications.

The WMS-400 features rugged metal construction and superior sound quality. It delivers a full frequency range and great stereo separation. Even the deepest bass notes come through loud and clear.

The newest and latest addition to the OSP family in leading professional products. The WMS-400 is clear high range UHF system that's a cut above the rest. This pack includes the WMS-4R body pack receiver, transmitter with power cord, antenna, and OSP EU-4 in ear monitors.


  • 961 preset selectable channels
  • Full LCD display with backlight
  • Full metal case
  • Lock-on function
  • Built-in dynamic limiter
  • S/N ratio: 80 dB (A weighted)
  • Image Rejection: 80 dB
  • Channel Separation: 35 dB
  • MPX stereo audio transmission
  • Input level switch: 0 dB/-10 dB
  • Loop out connector
  • High frequency booster
  • Requires 2 AA batteries
  • Over 12 hours battery life




Add to Cart:

  • Model: WMS-400
  • Shipping Weight: 1lbs
  • Manufactured by: OSP

This product was added to our catalog on Wednesday 12 March, 2008.

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