MB3d Digital Infrasound Sensor

Digital infrasound sensor by Seismo Wave

Data Sheet


Manufactured by Seismo Wave, the MB3d infrasound sensor is the digital version of the MB3a with embedded 24-bit digitiser.

Capturing Low-Frequency Acoustic Signals

The MB3d digital infrasound sensor is engineered to record ultra-low-frequency acoustic signals spanning from 0.01 to 28Hz. With exceptional resolution and a large dynamic range, it ensures the comprehensive capture of critical data.

Minimal Instrumental Noise

Surpassing the Low Noise Model by more than 18 dB at 1 Hz, this microbarometer delivers unparalleled sensitivity and accuracy in data acquisition.

Integrated 24-bit Digitiser

The Mb3d integrates a 24-bit digitizer with a storage capacity of 1GB.


This sensor is widely used in multiple scientific, civil and military applications including:

  • Explosion monitoring
  • Volcanology
  • Meteorology
  • Earthquakes
  • Tsunamis
  • Tornadoes
  • Meteors
  • Landslides, avalanches
  • Wind farm emissions