Noise levels in many of the world’s oceans have increased significantly over the past century as a result of anthropogenic sources including shipping, commercial and military activities at sea. These anthropogenic sources of noise in the sea are becoming more intense and widespread, contributing to both increased ambient noise levels and peak sound intensity. The icListen Smart Hydrophone is used in a variety of applications to measure the sounds in the ocean.



Ocean Observation



Environmental Monitoring



Marine Renewable Energy



Pile Driving



Oil & Gas



ROV’s & AUV’s




Application Chart


What Our Customers Are Saying
"I have used many different hydrophones on different systems, but these icListen hydrophones are the best I've seen in many years. They're calibrated to very low frequencies where I've never been able to get reliable data."

Ross Chapman
Professor Emeritus at the University of Victoria.
What Our Customers Are Saying
“The Ocean Observatories Initiative (OOI) Regional Scaled Nodes (RSN) had requirements for very broadband hydrophones with good noise floor characteristics and a wide dynamic range. The icListen HF hydrophones satisfied these requirements at a reasonable cost. The hydrophones were quite easy to use out of the box, and easily passed our intensive First Article tests centered on assuring any instrument will not interfere with or corrode any other instrument. Customer support has been quite good, with very detailed questions answered quickly and accurately.”

Skip Denny
Principal Ocean Engineer, RSN
Applied Physics Lab, University of Washington.