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.

Shure PSM 400 Wireless Personal Monitor System Features:

• 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