The Audio-Technica AT831B is a miniature cardioid lavalier microphone with a sensitivity and frequency response suitable for professional video, broadcast and sound reinforcement applications. The cardioid polar pattern is effective minimizing off-axis signal, providing high gain-before-feedback while using nearby monitors and speakers.
The wide frequency response of 40Hz to 20kHz enables audio signal to be reproduced with accurate detail and minimal noise at low frequencies. The miniature capsule enables the microphone to be hidden underneath clothing and the included windscreen protects against noise caused by plosive signals and wind.
| Transducer | Permanently Polarized Condenser |
| Polar Pattern | Cardioid |
| Frequency Response | 40 Hz - 20 kHz |
| Dynamic Range (Typical) | 101 dB, (@ Maximum SPL) |
| Signal-to-Noise Ratio | 65 dB, (A-Weighted) |
| Maximum Input Sound Level | 126 dB, (@ 1 kHz 1% THD) |
| Power Requirements |
Phantom: 9 - 52v DC Battery: AA (1.5v) |
| Output Impedance | 200 Ohms |
| Output Connectors | XLR-3M Type, (from AT8531 Power Module) |
| Pad | None |
| Low Frequency Roll-Off | -6 dB / Octave @ 150 Hz |
| Applications | Vocal, Instrument (Especially Guitar) |
| Dimensions |
Microphone: .98 x .39" (25 x 10 mm) LxDiameter Power Module: 3.27 x 2.48 x 0.87" (83 x 63 x 22mm) LxWxD Cable: 6' (1.8 m) Long |
| Weight |
Microphone: 0.1 oz. (2.8 g) Less Cable and Accessories Power Module: 5.2 oz. (147 g) |
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Reviewed by 15 customers
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Comments about Audio-Technica AT831B - Mini Clip-On Mic:
This mic has done really well for the on location work that we do. I would highly recommend it. We plug directly into a 7-D and have great results.
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Comments about Audio-Technica AT831B - Mini Clip-On Mic:
I got this as I have a few client videos coming up and want to get a mic right up on them cutting out room noise. Being a directional style mic, it's a bit larger however I find it still sounds quite good and really keeps room noise out well. The price is another thing I like about this product. It's affordable and sounds decent, what more could you ask for?
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Comments about Audio-Technica AT831B - Mini Clip-On Mic:
I've used a lot of different mic's and this one can hold its own.
Using the mic for a documentary and it's perfect for the interviews.
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Comments about Audio-Technica AT831B - Mini Clip-On Mic:
I am recording voice between actors in a room with too much air conditioning rumble. The AT831 pick-up pattern has been a good tool for improving the voice-to-rumble ratio on my videos. That means I have to do less post-processing on my audio tracks.
The power box seems larger than it needs to be - I run wired using phantom power over the XLR connector, so I don't need the battery.
AT could also improve the lapel clip a bit - perhaps make the alligator a bit wider? - so that it is more likely to stay where I put it.
I tend to be kinda rough on gear - I've already dropped the microphone capsule a couple of times - but it's surviving so far.
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Comments about Audio-Technica AT831B - Mini Clip-On Mic:
I use the AT831B for interviews filmed with a DSLR, where sound quality is always an issue. This mic works very well, and I'm completely happy with the sound quality.
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Comments about Audio-Technica AT831B - Mini Clip-On Mic:
If you're looking for a good lavaliere microphone for interviews or other up-close audio work, look no further. I have used this microphone extensively, from applications ranging from television broadcast to music production, and it always does the trick. I honestly have no reservations about this mic.
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Comments about Audio-Technica AT831B - Mini Clip-On Mic:
Totally what I was looking for with crisp clean audio. This is not a problem for me, but if you are looking to hide this mic on someone's collar, think again. It is about the size of a marble.
If you don't care that your mike shows in your interviews, this is the perfect mic for the price.
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Comments about Audio-Technica AT831B - Mini Clip-On Mic:
IT SEEMS ITS WORKING FINE
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Comments about Audio-Technica AT831B - Mini Clip-On Mic:
We use the mic for videos for work. It clips on easily and the sound quality is perfect.
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Comments about Audio-Technica AT831B - Mini Clip-On Mic:
The Cardioid Condenser Lavalier Microphone from Audio-Technica has allowed the Patriot League to produce high-quality video features with crisp, clear interviews. The microphone does a great job at singling in on the interviewee so that any background noise will not interfere, even in loud arenas or outdoor venues. It is easy to use and effortless to set up.
We will use it with all of our web streaming programming, including feature interviews and periodical online shows.
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Comments about Audio-Technica AT831B - Mini Clip-On Mic:
I'm using this microphone as an input on my Zoom H4N handheld audio recorder and am very happy with the quality of the sound I'm getting. I'm also very happy with the level of isolation from background noises that this microphone give me.
The microphone and power module come in a smart hard-case which is very welcome when the unit is in my gear bag though the power module is metal and does not come with any slip case so I'm slightly worried about it falling off my interviewee's belts and smashing if it hits a hard-floor.
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Comments about Audio-Technica AT831B - Mini Clip-On Mic:
This is a great low-end mic.
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Comments about Audio-Technica AT831B - Mini Clip-On Mic:
I've owned a pair of these great mics for over ten years and have not had a moment's trouble. They have traveled with me on numerous trips to locations in Africa, Europe, the Caribbean and throughout the United States. The AT831B's are very reliable mainstays of my audio kit
Comments about Audio-Technica AT831B - Mini Clip-On Mic:
Love versatility of battery or phantom power
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Comments about Audio-Technica AT831B - Mini Clip-On Mic:
I use the product for interview and news applications. The fact that it can use battery or phantom power is very helpful.
Displaying reviews 1-15