SoundAdvisor™ Model 831C-LOWN

Short description

Low Decibel Noise Level Measurements

Easily measure very quiet sounds using the SoundAdvisor™ Sound Level Meter Model 831C paired with the Model 378A04 Low Noise Microphone and Preamplifier. Due to the innovative design of the 378A04, which uses a prepolarized microphone and ICP® (constant current) interface, the combination produces a highly portable system that is battery-powered and intuitive to use.

Larson Davis


Product Details

The Model 831C-LOWN configuration is ideal for measurements where noise levels are extremely low, such as very quiet soundscapes and quiet machines.

Because the 831C-LOWN consists of the popular SoundAdvisor Model 831C paired with the 378A04 low-noise microphone, it can be used with the wide range of 831C accessories. For example, use with the DVX012 Ethernet dongle to provide network connectivity or the SoundAdvisor Portable Noise Monitoring System Model NMS044 to create a low-noise portable monitoring solution.


  • No external power supply required
  • 10 Hz to 16 kHz frequency range
  • Highly portable
  • Low power (4 mA ICP)
  • Single channel

Typical Applications

  • Product testing
  • Environmental noise
  • Research and development
  • Anechoic chamber testing