What a revolutionary music production is sp404 for passionate DJs! It is actually portable music production sampler that has all the functions of a DJ’s (disc jockey) music mixing console.
With a mike input, a professional DJ can create a sample music remix anytime and anywhere!
There are too much technical jargons in the specification that you and I cannot understand but as a music recorder in the 1970, I could comprehend what this music performance sampler means to a professional music mixer. Instead of explaining all its functions and facilities, the video below will throw full light on Roland SP-404SX.
When you open the link above, you can read a huge list of features that a DJ would understand than a musician. I read in a music related forum that Roland SP-404 is considered as the leader in music performance sampler.
I read that the famous DJs, Madlib and J Dilla use this Roalnd SP-404SX.