Electro-Voice PC-BOUNDARY
Boundary Microphone, Multipattern, with Switch, LED


The PC Boundary mic is a low profile microphone that can be used with standard and automatic mic mixers. The PC Boundary mic is a member of the EV PolarChoice series of multi-pattern microphones. The multi-pattern versatility of the PolarChoice microphone makes it a true "problem solver". With one non-directional and three directional polar patterns available, PolarChoice microphones are ideal for virtually any installation. Of particular interest is the figure 8 pattern that allows micing people on opposite sides of a table with only one microphone, while providing a dramatic reduction of ambient room noise. The PC Boundary mic features a large soft-touch mute button. The mute button can be configured for push-on/push-off, push-to-talk, or push-to-mute functions. Mute switch programming is easily accomplished without disassembling the microphone. The microphone can also be programmed to be either live or muted when power is initially applied (when in toggle mode). Additionally, a switch on the bottom of the mic, quickly converts the PC Boundary to automatic mixer mode. In this mode, audio is always on.


  • Selectable polar pattern to easily adapt to different acoustic environments. Choose between omni, cardioid, supercardioid or figure 8
  • Exceptional sound quality with EV's proven PolarChoice design
  • Consistent microphone voicing across all four patterns
  • Easy to use mute switch. Can be programmed to operate as either latching on/off or momentary push-to-mute/push-to-talk
  • Disassembly of the mic isn't required to change switch functions or for use with automatic mixers
  • Compatible with echo cancellation for conference applications
  • High visibility blue LED clearly displays mic status to the user and canbe remotely controlled in automatic mixer mode


  • Generation Element: Dual condenser, back electret
  • Frequency Response: 50Hz-20,000kHz
  • Polar Patterns:
    Figure 8
  • Switches and Controls:
    Top mounted momentary membraneswitch
    Automix, normal selector
    Push on/off, or push-to-muteselector
    Power up on/off selector
    High-pass enable
    4-position polar pattern selector
  • Sensitivity, Open Circuit Voltage, 1kHz: 31.5mV/Pascal
  • Clipping Level (1% THD): >115 dB SPL
  • Equivalent Noise: 29 dB SPL "A" weighted typical (0dB=20 micropascals)
  • Dynamic Range: >86dB
  • Output Impedance, 1kHz: 200 ohms
  • Power Requirements: Phantom, 12-52 VDC
  • Current Consumption: <8mA with P12 supply
  • Cable: 10 foot, 5-conductor (2-conductor shielded) black cable, terminated with a professional 3-pin XLR style connector with gold plated pins
  • Polarity: Pin 2 positive, referenced to pin 3, with positive pressure on the diaphragm
  • Dimensions (L x W x H): 4.34" x 2.54" x 1.02"
  • Weight: 9.5 oz, including cable
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