Sound Fighter® Systems (SFS) is the sole manufacturer of the LSE Absorptive Noise Barrier System, a fully sound-absorptive, high-performance sound wall designed for outdoor noise mitigation. For decades, the LSE System has been the go-to noise abatement tool of Departments of Transportation, Acoustical Engineers & Consultants, Developers, Architects, Oil & Gas Companies, Manufacturers and Contractors around the world for countless different applications. If you are in need of a proven, highly-effective outdoor noise barrier, the LSE System has no equal.