
Newburyport, MA, USA, the 7th of April 2025 – Klein Marine Systems, a world leader in advanced sonar technology, today announced the purchase from French Company RTsys of 20 high-resolution 900kHz side scan sonar systems to be integrated on their revolutionary micro AUV platform NEMOSENS. This strategic acquisition marks a significant milestone in enhancing underwater exploration and mapping capabilities.
The NemoSens® micro AUV, renowned for its compact design and robust performance, has already been equipped with Klein’s cutting-edge side scan sonar systems and delivered to a various of worldwide end users from both civil and defence sectors. These 900kHz sonar units are engineered to deliver exceptional imaging quality and reliability, giving the highest quality of seabed mapping and object detection for micro AUV monitoring in challenging underwater environments.
“The design and assembly of the 900kHz Klein’s side scan sonar systems exclusively into our micro AUV platform has already been a game changer in the Mine Counter Measures operations since 2021,” said Pierre-Alexandre CAUX, RTsys’ Business Director. “This new purchase of 20 systems confirms the position of NemoSens® as world leader in micro AUV not only in Defence sector but will also significantly enhance the operational efficiency of our customers in underwater research and commercial applications.”
Klein’s state-of-the-art technology has been recognized globally for its accuracy and durability. Ted Curley, General Manager at Klein, commented on the partnership:
“We are proud to support RTsys with our high-performance sonar systems. Our commitment to innovation and quality ensures that our products meet the demanding requirements of leader suppliers in modern underwater exploration by AUVs.”
The deployment of these 20 side scan sonar units is expected to optimize the AUV’s data collection capabilities, allowing for enhanced environmental monitoring, archaeological surveys, and offshore infrastructure inspections. Both companies are confident that this 10 year+ collaboration is setting new benchmarks in the marine technology sector.
For further information, please contact:
Media Relations – Klein
Email : marketing@klein.com
Media Relations – RTsys
Email : marketing@rtsys.fr
About Klein
Klein is a pioneering manufacturer of sonar systems, dedicated to delivering innovative solutions for underwater imaging and exploration. With a commitment to excellence, Klein’s products are at the forefront of technological advancement in marine research.
About RTsys
RTsys is continuously enhancing the underwater acoustic field thanks to unique technological innovations and constant R&D investments. This high level of expertise is now recognized in the 4 following sectors of innovation: Passive Acoustic Monitoring (PAM), Underwater Exploration with Autonomous Underwater Vehicles (AUV), Mine Counter-Measures (MCM) and Anti-Submarine Warfare (ASW).
About NemoSens®
NEMOSENS is a cutting-edge micro AUV platform designed for versatile underwater missions up to 300m. Its compact design and advanced sensor suite make it an ideal choice for a wide range of applications including scientific research, environmental monitoring, industrial inspections and Defence operations.



