Audio-Technica BP4029 (AT835ST) - Stereo Shotgun Condenser Microphone

Model: BP4029

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Packaging Info

Box Dimensions (LxWxH) 19.5 x 4.6 x 2.4"
Package Weight 1.85 lb

General Information

Frequency Range 40 Hz to 20 kHz
Impedance 200 ohms
Power Requirements 11-52 V
Low-Cut Filter Yes, 12 dB/Octave @ 80 Hz
Transducer Condenser
Operating Current Consumption 4.0mA
Output Connectors 5-Pin XLR
Polar Pattern Cardioid, Figure 8


Weight 3.63 oz (103 g)
Diameter 0.83" (21 mm)
Length 9.29" (236 mm)
User Reviews
11 June 2014

I've had this microphone for about two months, and I am extremely happy with it. I am using it primarily with a Canon XA20, but I have also used it with a Sound Devices MixPre-D, and it works great with both.

29 October 2013

The thing I love most about AT mics is that they are so quiet. Not just self noise, but they also seem to somehow pick up less "room rumble" while still capturing all of the softest subtleties of the source you are recording. This stereo shotgun is no exception.

15 May 2012

I use this mic with my DSLR and my Canon X10 & XF100. This mic performs extermelly well as a mono, stereo, M+S. It is compact, clear, crisp and worth every penny. I have mics twice the price and they are not as functional or clear and useful as these. Hence, I have 4 of them for all my video needs.

2 January 2011

A good mid/side mic for the money (I just can't afford anything much more expensive). While I haven't really tried the canned L/R modes, the M/S mode is sensitive and works well when properly processed in something like Soundtrack or Logic after recording.

11 April 2010

I use this microphone to record in nature and I can see through the 3 settings very well the perfect sound. Until today, I noticed no wind or noise sensitivity. For me, the switch to use is a little bit difficult(too small).

23 March 2010

very directional, with good stereo presence and useful adjustability. Very quiet self noise.

26 November 2018

Given that this mic predates the widespread use of DSLRs for video production, the only thing that could make this better would be an internal battery option, so it did not require phantom power via XLR.

10 December 2016

In terms of low cost and convenience it is hard to beat the BP4029. With two capsules in the compact body it is easy to use in the field and to mount and cover with a windscreen.

13 June 2016

Just got this mic and immediately started using it for a run-and-gun style feature film and it is a charm! A great field mic for the price! I absolutely love the selectable x/y pattern!!! You can really hear the difference.

22 December 2008

I use this mic on a Sony A1U HDV camcorder. If you know that camera you know that requires using the XLR set add-on. While this mic doesn't have the very best spec's (signal to noise, dynamic range) compared to other professional camera-mounting mics, the price and size make it a great fit for this...

Product Highlights
    In The Box
    • Audio-Technica BP4029 (AT835ST) - Stereo Shotgun Condenser Microphone
    • (AT8405a) Stand Clamp
    • Shotgun Microphone Windscreen
    • 24" (0.61 m) Cable (5-Pin XLR-F to Two Standard XLR-3M Connectors)
    • Protective Carrying Case
    • Limited 5-Year Warranty
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