The Roland SP-404 is a digital sampler made by Roland Corporation. It features:
A number of musicians have used either the SP-303 or the SP-404 as part of their production and performance. These include Odd Nosdam, J Dilla, Madlib, Jneiro Jarel, Flying Lotus, Samiyam, Ras G, Dibia$e, MF Doom, Illmind, Alias, Four Tet, Animal Collective, Beck Hansen, Radiohead, Bradford Cox of Deerhunter and Atlas Sound, Broadcast , Ellie Goulding, El Guincho, and many others.