The Sound Professionals Unidirectional Boundary microphone is our very best microphone for Courtrooms, Depositions, Meetings and Lecture recordings when isolation of individual speakers is required. This high sensitivity microphone offers premium sound quality. This microphone will work devices that provide phantom power on an XLR connector.
The microphone element is unidirectional, so it picks up sound in one direction. This microphone has a high sensitivity mic element for recording sounds ranging from extremely quiet to moderately loud sounds. It has a S/N ratio of 65dB for low noise (hiss) and -38dB ultra-high sensitivity.Â
Sound Quality
The microphone has an extended frequency response and very natural and accurate sound, providing smooth midrange and clean highs.
- Cardioid Polar Pattern
- 70 Hz to 14 kHz Frequency Range
- 9 to 52V Phantom Power
- Built-In XLR Cable
- 134 dB SPL
- Low Profile Design
Product Overview
Featuring built-in electronics which eliminate the need for external power supplies, the PRO 42 from Audio-Technica is a miniature condenser boundary microphone operating in a cardioid polar pattern. It’s capable of picking up frequencies between 70 Hz and 14 kHz. This frequency range, coupled with the microphone’s dynamic range of 134 dB and low-profile design, render the PRO 42 suitable for capturing audio in conference rooms, boardrooms, lecterns, podiums, and other install-sound situations.
- Wide-range condenser element with a relatively low-mass diaphragm
- Uniform polar pattern for a more unidirectional, forward-facing pickup of sound-sources
- Durable casing
- Low-profile design for minimum visibility, maximum camouflage
- Built-In XLR cable
| Element | Fixed-charge back plate, permanently polarized condenser |
|---|---|
| Polar Pattern | Half-cardioid (cardioid in hemisphere above mounting surface) |
| Frequency Response | 70-14,000 Hz |
| Open Circuit Sensitivity | -38 dB (12.5 mV) re 1V at 1 Pa |
| Maximum Input Sound Level | 134 dB SPL, 1 kHz at 1% T.H.D. |
| Dynamic Range | 105 dB, 1 kHz at Max SPL |
| Signal-to-Noise Ratio | 65 dB, 1 kHz at 1 Pa |
| Phantom Power Requirements | 9-52V DC, 2 mA typical |
| Weight | 1.2 oz (35 g) |
| Cable | 25′ (7.6 m) long, permanently attached |
| Dimensions | 1.44″ (36.6 mm) maximum width, 2.14″ (54.3 mm) maximum length, 0.61″ (15.5 mm) height |
| Output Connector | 3-pin XLRM-type on cable |
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