Audio-Technica has taken its low-profile ES945O omnidirectional boundary microphone and given it an even smaller footprint, making it a great choice for installations with limited space or where a very clean, inconspicuous look is desired. The miniature ES945O/TB3 still gives you the same clear, highly intelligible audio of its larger sibling, mounting unobtrusively in tabletops, ceiling or panels for conferencing, recording, monitoring and other demanding sound pickup applications.
Protected by a rugged all-metal case with a two-layer steel mesh 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 ES945O/TB3 is equipped with a self-contained power module with a TB3M (mini-XLR) output connector, eliminating the need for an external power module. It also comes with a TA3F-to-XLR cable, allowing for installation with standard XLR inputs. The microphone is available in black (ES945O/TB3) and white (ES945WO/TB3), and comes with a pair of rubber isolators for optional mechanical isolation from the mounting surface.
See below for the entire family of ES945O and ES947C boundary microphones:
ES945O/XLR
Water-resistant Omnidirectional Condenser Boundary Microphone with XLR Output
ES947C/XLR
Water-resistant Cardioid Condenser Boundary Microphone with XLR Output
ES945O/TB3
Miniature Omnidirectional Condenser Boundary Microphone with TB3-to-XLR Output
ES947C/TB3
Miniature Cardioid Condenser Boundary Microphone with TB3-to-XLR Output
ES945O/FM3
Omnidirectional Condenser Boundary Microphone with 3-Pin XLR Output and Local Muting
ES947C/FM3
Cardioid Condenser Boundary Microphone with 3-Pin XLR Output and Local Muting
ES945O /FM5
Omnidirectional Condenser Boundary Microphone with 5-Pin XLR Output and Remote Muting
ES947C/FM5
Cardioid Condenser Boundary Microphone with 5-Pin XLR Output and Remote Muting
- 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
- Miniature, space-saving design enables highly inconspicuous tabletop, ceiling and wall mounting
- Self-contained power module with TB3M (mini-XLR) output connector
- Includes a TA3F-to-XLR cable for use with standard XLR inputs
- Rugged all-metal case with a two-layer steel mesh 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)
- Available in two colors: black (ES945O/TB3) and white (ES945WO/TB3)
- RoHS compliant—free from all substances specified in the EU directive on hazardous substances
| Microphone |
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| Element | Fixed-charge back plate, permanently polarized condenser |
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| Polar Pattern | Omnidirectional |
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| Frequency Response | 60-15,000 Hz |
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| Open Circuit Sensitivity | -33 dB (0 dB = 1V/Pa, 1 kHz) |
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| Output Impedance | 100 ohms |
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| Maximum Input Sound Level | 131 dB SPL (1 kHz at 1% THD) |
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| Dynamic Range | 109 dB (1 kHz at max SPL) |
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| Signal-to-Noise Ratio | 73 dB (1 kHz at 1 Pa, A-weighted) |
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| Phantom Power Requirements | 11-52V DC, 2 mA |
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| Weight | 31 g (1.1 oz) |
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| Dimensions | 60.5 mm (2.38") long, 20.0 mm (0.79") head diameter |
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| Output Connector | TB3M-type |
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| Accessories Included | Rubber isolator (x 2), nut, 7.6 m (24.9') microphone cable (TA3F to XLRM) |
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