The Difference From 432Hz vs. 440Hz
432 Hz is the natural frequency of nature
When you look around and hear the birds singing or the crickets chirping at night, they are using the 432 hz frequencies. So why not push your music in this harmonial fashion. 432 hz is brighter, airy and most of all more well rounded for the low ends of bass, as the sound waves has a little bit longer waves length than that of its counterpart at 440 hz.
440 Hz and the deharminizing of humans
Take a look at this picture and understand that if the circle was your brain, you could see that your receptors are moshing at one time creating a distortion. This distortion will in return clog your brain from feeling any kind of balacned state while listening to music.