Shure PSM 400 Wireless Personal Monitor System  

Product #243602

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Item Note:

This product has been discontinued but may be available as a Open Box item.

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See All Shure In-Ear Wireless Systems

Versatile wireless monitoring for working musicians.

Designed for performers who are tired of the limits of floor wedges, the PSM 400 offers hands-on control and freedom to musicians who have a limited budget for gear. At its heart is the P4M Personal Monitor Mixer--a 4-channel, 2-bus stereo mic/line mixer designed to optimize in-ear monitoring. It allows easy access to and control over each input source. 2 auxiliary inputs can be used to add channels from other sources. Includes the P4T Wireless Transmitter with audio limiter and removable/combinable antennas, P4R Wireless Bodypack Receiver, and E3 earphones.

Consumer Alert:

Most users do not need a license to operate this wireless microphone system. Nevertheless, operating this microphone system without a license is subject to certain restrictions: the system may not cause harmful interference; it must operate at a low power level (not in excess of 50 milliwatts); and it has no protection from interference received from any other device. Purchasers should also be aware that the FCC is currently evaluating use of wireless microphone systems, and these rules are subject to change. For more information, call the FCC at 1-888-CALL-FCC (TTY: 1-888-TELL-FCC) or visit the FCCs wireless microphone website at:

  • P4T Wireless Transmitter:
  • Built-in audio limiter
  • External power supply
  • Removable/combinable antennas
  • 1/2 rackspace
  • Earphone volume knob
  • Frequency select
  • 4-segment input level LED
  • Transmission frequency LED
  • 2 - 1/4" TRS line-level inputs
  • 2 - 1/4" TRS loop outs
  • Local earphone monitor out
  • P4R Wireless Bodypack Receiver
  • High-impact plastic chassis
  • Frequency locator
  • Volume and balance knobs
  • Defeatable limiter
  • Operating mode selector (Stereo, Mono, MixMode)
  • High-frequency boost
  • Frequency select
  • Backlit LCD indicators for RF reception, battery life, operating mode, and frequency
  • E3 Sound Isolating Earphones:
  • High-energy micro speakers with extended frequency response
  • 1/8" gold-plated stereo connector
  • 62" cable
  • Sensitivity @ 1kHz: 115db SPL/mW
  • Impedance @ 1kHz: 26 ohms

Clear, consistent monitor mixes, night after night. Call or click to order now!

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by PowerReviews
ShurePSM 400 Wireless Personal Monitor System

(based on 2 reviews)

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Reviewed by 2 customers

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(60 of 92 customers found this review helpful)


Full sound, reliable, great in ears.


from Wellington, New Zealand

Comments about Shure PSM 400 Wireless Personal Monitor System:

I recently purchased this system for myself to get away from inconsistent monitoring and muddy stage sound. These definitely do the trick!They worked straight out of the box, plug and play, had a great full sound, and the E3 earphones are killer! The stock sleeves on them isolated about as much as my triple flange musician ear plugs! I just put them in my ears, expecting to have to add ear muffs over the top in a minute and just started playing. They isolated so much! I would consider myself a heavy player, and so I needed something that would give a great sound while isolating enough so that I don't have to crank the volume to levels that will damage my hearing. These did the job. I have recently got custom moulds made for them which isolate that little bit more (obviously due to the fact that they fill out your whole ear), but if you didn't want to have to go down that road, the factory sleeves included do exactly what you'd need.This whole monitoring system is ideal for those musicians who do not want to put up with inconsistent stage sound each gig. And they'll be great right from rehearsal to the studio as well.

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(33 of 54 customers found this review helpful)


Shure PSM 400 is a must have.

Comments about Shure PSM 400 Wireless Personal Monitor System:

As an announcer, stage performer and DJ, I was all over the place. And the PSM400 is the perfect wireless in-ear monitor system for me. The transmitter outputs a solid stereo signal. And the body pack allows personal volume adjustments. And the actual ear pieces (E1, E2, E3, or E5) give the richest sound I have heard in an ear piece. If you use these on an MP3 player and usually run the volume at 8, you will run these at 3-4, and achieve the same volume with more clarity.The best part--- the mixer. 4 channels of pass through audio. 1/4 inch or XLR connections. Plus 2 extra inputs for other sources. Left and right outputs feed the transmitter.I ran it with Ch1 (left) audio on 1 and Ch2 (right) audio on 2 so I could hear the music, my mic on 3 so I could hear myself, and a producer's mic on 4, so they could feed me cues and info, like a TV newscaster. I would pan any channel from left to right, to get the mix just right. With my wireless headset mic and these in-ears, I was well connected.On stage at Disney or Universal in Orlando, or a convention center in Anaheim, Kansas City, Salt Lake, or Chicago, the shows were tight. Mainly because of this one piece of equipment. I retired 2 years ago and sold almost everything. But I still have my favorite dual CD player, 1 mixer, and my PSM400 / P4MTRE with mixer in-ear system. I highly recommend it for singers, band members, or any stage performer.

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