External FFT

[Lorxi]

Hi ( first sorry for my bad english) ,
I actualy use lot of audio (.wav) in composition for training , but how i can have a good external fft i can use the mic of my computer but i don't think this is good idea . i thin i have to bought someting for plug to dj controller
thanks for your time
sorry for my casual ask

[Arvol]

Look into a Focusrite 2i2, It's cheap and good quality. Take an Aux or Matrix out into the input of the 2i2 and assign the 2i2 as the External FFT. Make sure you're not clipping and you'll be ready to go

[Lorxi]

thanks for your time