Roland Never Turned the SP-404MKII Into a Groovebox. One Coder Working Nights Just Did, for Free.
Klangfeld Labs has released DOOM OS 0.7, a free custom firmware that adds 20 synth and drum engines, a full mixer and an arpeggiator to Roland's SP-404MKII sampler, turning it into a standalone groovebox.
Samir H. · 4 min read