Omnidirectional Condenser Boundary Microphone

  • Designed for surface-mount applications such as conferencing, recording, monitoring, and other demanding sound pickup applications
  • Low-profile element provides uniform omnidirectional polar pattern with 360° acceptance angle
  • Mounts unobtrusively in tabletops, ceilings, and panels
  • IPX4 water resistance protects the microphone from splashes of water
  • Self-contained power module with XLRM-type output connector
  • Rugged all-metal case with a two-layer perforated grille
  • Rubber Isolators provide mechanical dampening of mounting-surface vibration
  • Requires 11V to 52V DC phantom power
  • UniGuard® RFI-shielding technology offers outstanding rejection of radio frequency interference (RFI)

    With its low-profile design that mounts unobtrusively in tabletops, ceilings or panels for minimum visibility, the ES945O/XLR omnidirectional condenser boundary microphone provides clear, highly intelligible audio that is perfect for conferencing, recording, monitoring and other demanding sound pickup applications.

    Protected by a rugged all-metal case with a two-layer perforated grille, the microphone’s omnidirectional polar pattern affords a 360° pickup angle, while its UniGuard® RFI-shielding technology provides outstanding rejection of radio frequency interference (RFI). The microphone also offers IPX4 water resistance to protect it from splashes of water.

    The integral power module can be powered from any external 11V to 52V DC phantom power supply.

    The ES945O/XLR is equipped with a self-contained power module with an XLRM-type output connector, eliminating the need for an external power module. The microphone is black colour, and comes with a pair of rubber isolators for optional mechanical isolation from the mounting surface.

  • ES945O/XLR Specifications


    Fixed-charge back plate, permanently polarized condenser

    Polar Pattern


    Frequency Response

    60 ~ 15,000 Hz

    Open Circuit Sensitivity

    -33 dB re 1V at 1 Pa


    100 Ω

    Maximum Input Sound Level

    130 dB SPL, 1 kHz at 1% T.H.D.

    Dynamic Range (Typical)

    109 dB, 1 kHz at Max SPL

    Signal-To-Noise Ratio

    73 dB (1 kHz at 1 Pa, A‐weighted)

    Phantom Power

    11~52V DC, 2 mA typical


    62 g


    28 mm head diameter, 69 mm long

    Output Connector

    Integral 3-pin XLRM-type

    Accessories Furnished

    Rubber isolator x 2, Nut




    audio technica support ES945OXLR_ES947CXLR_QSG.pdf - ES945O/XLR Quick Start Guide
    audio technica support ES945OXLR_ES945WOXLR_UM_EN.pdf - ES945O/XLR User Manual
    audio technica support ES945OXLR_ES945WOXLR_UM_TC.pdf - ES945O/XLR User Manual (Chinese)
    audio technica support ES945O_XLR_LF.pdf - ES945O/XLR Product Information
    audio technica support ES945OXLR_ES945WOXLR_Dim.dwg - ES945O/XLR Appearance (DWG)