
sampler
SP-404 MKII
Roland · 2021
Modern reissue of the lo-fi-rap altar. 16 GB internal sample memory, 17 velocity pads, 10 banks (160 samples per project), 37 effects (Vinyl Sim, Cassette Sim, the works), DJ mode, fades, time-stretch, full I/O upgrade over the original. Boom-bap workhorse that travels.
study hall
the workshop
read · use · learn · note
manual
full reader ↗credits
humans behind this piece
featured
Featured by Roland on the SP-404 MKII 4.04 firmware update launch. Long-running Roland collaborator (also on the Serato Studio × 404 series).
companion tools · early access
plug in + experiment
Live MIDI, kit-builder, firmware status. Working but evolving. Expand to use.
▸ live mode · plug in, see your pads light up, capture patches
live mode
plug in your sp-404 mkii
pads
4×4 velocity pads · default MIDI A1..D4
midi log
- no input yet · hit a pad
▸ kit builder · label your pads, save reusable kits
kits
label your pads
Name what's on each pad so future-you knows "kick", "snare", "skit", "talkbox," not "C2, C#2, D2." Eventually drag .wav files in and transfer to the SP-404 MKII via the sample tool above — for now this is your label sheet.
▸ firmware · v4.04 · 12/10/2025
Plug your SP-404 MKII into USB-C, open the updater, and push the latest firmware.
⬇ open Roland updater →