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Miniature Cardioid Condenser Microphone (both battery & Phantom)
Product Description
This clip-on lavalier mic AT831b provides crisp, full-sounding voice pickup and excels as an instrument mic, especially for pickup of acoustic guitar with included AT8444 instrument microphone adapter. It offers excellent gain before feedback and suppression of background noise. An integral 80 Hz high-pass filter provides easy switching from a flat frequency response to a low-end roll-off. It operates on battery or phantom power.
- Clip-on lavalier mic also excels in acoustic guitar applications
- Provides crisp, full-sounding voice and instrument pickup
- Operates on battery or phantom power
- 6' (1.8 m) cable permanently attached to mic, TA3F connector at power module
- Included AT8417 clothing clip; AT8444 instrument microphone adapter; AT8531 power module; AT8116 windscreen; battery and protective carrying case
- Also available as: AT831R - with phantom-only power module AT831c - less power module; includes clothing clip and windscreen only; 10' (3 m) cable, unterminated AT831cW - less power module; includes clothing clip and windscreen only; 55" (1.4 m) cable terminated with locking 4-pin connector for A-T UniPak® wireless systems
| Element | Condenser |
| Polar Pattern | Cardioid |
| Frequency Response | 40 - 18,000 Hz |
| Open Circuit Sensitivity | Phantom: -44 dB (6.3 mV) re 1V at 1 Pa Battery: -46 dB (5.0 mV) re 1V at 1 Pa |
| Impedance | Phantom: 200 Ω Battery: 270 Ω |
| Maximum Input Sound Level | Phantom: 135 dB SPL, 1 kHz at 1% T.H.D. Battery: 121 dB SPL, 1 kHz at 1% T.H.D. |
| Low Frequency Roll Off | 80 Hz, 18 dB/octave |
| Switches | Off, on-flat, on-roll-off |
| Dynamic Range | Phantom: 106 dB, 1 kHz at Max SPL Battery: 92 dB, 1 kHz at Max SPL |
| Signal-to-Noise Ratio | 65 dB, 1 kHz at 1 Pa |
| Phantom Power Requirements | 11-52V DC, 2 mA typical |
| Battery Type | 1.5V AA/UM3 |
| Battery Current/Life | 0.4 mA / 1200 hours typical (alkaline) |
| Weight | Microphone : 2.8 g (0.1 oz) - Power Module : 139 g (4.9 oz) |
| Dimensions | Microphone: 25.0 mm (0.98") long, 10.2 mm (0.40") diameter - Power Module: 84.0 mm (3.31") H x 63.0 mm (2.48") W x 22.0 mm (0.87") D |
| Output Connector | Integral 3-pin XLRM-type (on Power Module) |
| Cable | 1.8 m (6') long (permanently attached to microphone), 2.6 mm (0.10") diameter, 2-conductor, shielded cable with TA3F-type connector |
| Accessories Included | AT8417 Clothing clip; AT8444 instrument microphone adapter; AT8531 power module; AT8116 windscreen; battery; protective carrying case |
Trusted by industry professionals
Whether it’s on the boardroom table, the stage or in the studio, Audio-Technica products are trusted time and again by industry professionals looking for reliable, lovingly developed audio products for all budgets.
It’s Audio-Technica’s commitment to innovation, customer service and meticulous design that ensure professionals turn to us to provide solutions in conferencing, houses of worship, broadcasting, live sound, recording studios and beyond.
50 Years of Devotion to music
For over 50 years Audio-Technica has worked alongside leading figures in sports and music broadcast to develop and hone a range of products that deliver on the highest level.
Audio-Technica have developed and delivered products to power the Grammys, World Cup, Super Bowl, Commonwealth Games as well as every Summer and Winter Games from Atlanta 1996 to Sochi 2014.
A Legacy in Innovation
Founded in 1962 by Hideo Matsushita, Audio-Technica positioned itself immediately as a leader in the manufacture and design of innovative audio products.
Its expertise in innovation quickly spread to various new fields and led to the development of tone arms, microphones and headphones. Audio-Technica soon became a benchmark in those fields. Making history.
A self-made man and audiophile, Hidéo Matsushita was the former Director of the Tokyo Museum of Modern Art. It all started in his workshop, with the hand crafting of stereo cartridges. 50 years later, Audio-Technica has become a global leader in audio innovation.
A Passion for Listening
Humility, passion, creativity and expertise in sound are the core values behind Audio-Technica’s legacy, greatly inspired by its founder - whose imprint on the company’s philosophy is still felt today.
Audio-Technica’s passion for listening evolved in the 70’s, when it started designing headphones, building upon a legacy in innovation, meticulous engineering and artistic design.
Today, Audio-Technica’s audio products have become globally synonymous with consistently high sonic performance paired with impeccable build construction and artistic design.
One Year Limited Warranty
All Audio-Technica products come with a one year warranty as standard meaning you can enjoy your product safe in the knowledge that you’re covered.
All Audio-Technica products purchased from Audio-Technica Europe are guaranteed for one year from the date of purchase to be free of defects in materials and workmanship. In the event of such defect, the product will be repaired or replaced without charge*.
(* T&Cs apply)