Audio-Technica BP4073 Line and Gradient Condenser Microphone

Model #BP4073

Audio technica bp4073 1
Audio technica bp4073 1
Audio technica bp4073 2
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Packaging Info

Box Dimensions (LxWxH) 19.5 x 4.6 x 2.4"
Package Weight 1.65 lb

General Information

Frequency Range 20 Hz to 20 kHz
Signal to Noise Ratio 81 dB
Equivalent Noise Level 13 dB
Maximum SPL 141 dB SPL 1%151 dB SPL 1% with 10 dB Pad Engaged
Impedance 50 ohms
Sensitivity -29 dB, re: 1 V/Pa
Power Requirements 48 V+/- 4.8 V
Operating Principle Line Gradient
Pad Yes, 10 dB
Output Connectors 3-Pin XLR
Operating Current Consumption 4.8mA
Dynamic Range 128 dB
Low-Cut Filter Yes, 12 @ 80 Hz
Transducer Condenser


Weight 3.49 oz (99 g)
Diameter 0.83" (21 mm)
Length 9.17" (233 mm)
User Reviews
B h photo.34921152
6 May 2018

If you are an occasional, low-impact user, it's great. If you shoot a lot, they are NOT good. I bought 6 of them for my school classes and the screws holding them together strip out all the time. I've had to fix them at least 10 times in the last 8 months.

B h photo.34921152
11 July 2018

The shock mount part of the device works great. The issue is that the screw that holds the body of the shock mount to the boom pole (or camera) mount has stripped out on all three mounts I purchased.

B h photo.34921152
4 July 2018

Just put my audix scx1 microphone in this on a big boom pole. It holds it great.

B h photo.34921152
16 April 2018

Works really well with my Sennheiser ME 64.

B h photo.34921152
8 April 2018

Really cheap quality. I had it stood up against a blue bin while loading it into my vehicle. It tipped over, and fell about 3 feet. Then the threaded part that connected it to my boom pole shattered. Right before a shoot.Cheap quality. Cheap reliability. Avoid this.

B h photo.34921152
8 April 2018

muy resistente y comodo

B h photo.34921152
26 February 2018

I needed a replacementshock mount and this one worked nicely.

B h photo.34921152
13 January 2018

It mounts on the top shoe and does a great job! I use it with the MK-600

B h photo.34921152
6 November 2017

I bought six of these. They work well but if used for any length of time they will not last. I've had to contact Auray at least 5 different times in the last two months to get replacement parts under warranty. The screws don't hold up, the holes get stripped out.

B h photo.34921152
28 September 2017

I capture a lot of sounds with a boom pole fully extended. Mostly of athletes breathing while running or cycling and I go along with them. From the bounce all of the screws came loose and I kept tightening them until the whole thing fell apart.

Product Highlights
  • Broadcast, Film and Theater Sound
  • Line + Gradient Pickup
  • Weighs Just 3.5 oz
  • RoHS Compliant
  • 80 Hz Hi-Pass Filter
  • 10 dB Pad Switch
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