DSSF3 Full system Version - Version 5.0.7.x Various sound measurement can be performed using a various functions in the realtime analyzer. The FFT analyzer with the data record and the export function, the distortion analyzer, and the phase meter enable various measurement.There are four versions of DSSF3. We recommend Full-system Version for a wide field of measurement. For the noise measurement and soundidentification, DSSF3 Env is available.DSSF3 is the world's highest class measurement system equipped with the latest technology. If you try, it will turn out that DSSF3 has many functions and is very easy to use. Please try this great tool for all sound engineers.