The EdgeTech 4205 Tri-Frequency Side Scan Sonar is a versatile, high-performance sonar system designed to deliver exceptional underwater imagery across a wide range of survey conditions. With the ability to operate at multiple frequencies, the 4205 allows survey teams to balance broad area coverage with ultra-high-resolution imaging, making it an ideal solution for offshore construction, hydrographic surveying, and subsea inspection.
Built with EdgeTech’s advanced motion-tolerant technology, the 4205 produces consistent, high-quality sonar imagery even in challenging sea conditions, helping operators collect reliable data while maximizing survey efficiency.
The EdgeTech 4205 is well suited for:
Every marine survey presents different challenges. Some projects require rapid coverage of large areas, while others demand the detailed imaging needed to identify small objects or inspect critical infrastructure. The EdgeTech 4205 addresses both requirements by offering multiple operating frequencies within a single sonar platform.
This flexibility allows survey teams to optimize data collection for each project, improving efficiency without sacrificing image quality.
The EdgeTech 4205 combines the proven reliability of EdgeTech side scan sonar technology with the flexibility of tri-frequency operation, allowing operators to adapt to changing survey requirements throughout a project. Its motion-tolerant design helps maintain image quality in dynamic offshore conditions, while its versatile operating modes support everything from regional seabed mapping to detailed infrastructure inspections.
Whether supporting offshore energy, marine construction, hydrographic surveying, or environmental research, the 4205 provides dependable sonar performance for a wide range of underwater applications.



