Detail 01
17 pads
Includes 16 pads plus one velocity-sensitive sub pad for triggering and programming.

Independent shopping perspective
Roland’s SP-404MKII is a hands-on sampler and effector for building beats, triggering samples, and reshaping material as you work. Its 17 responsive RGB-lit pads and OLED waveform view keep programming and sample editing close at hand. With 16GB of storage, 32-voice polyphony, 160 samples per project, and 16 internal projects, it has room for substantial project work. Firmware 4.04 adds Loop Capture, Groove functions, Elf Audio Sampler app compatibility, and a programmable digital-oscillator Sound Generator.


Strong match
What matters in use
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.

Detail 01
Includes 16 pads plus one velocity-sensitive sub pad for triggering and programming.
Detail 02
Shows waveforms for editing with zoom control and marker placement.
Detail 03
Stores samples, patterns, and projects, alongside 144 preloaded sounds.
Detail 04
Supports up to 32 voices of polyphony.
Detail 05
Defines the listed sample and project capacity.
Detail 06
Includes 1/4-inch line and mic I/O, instrument input, USB, and 1/8-inch TRS MIDI.
Final check

Product questions
Straight answers to the questions shoppers most often ask about this product.
It has 17 pads: 16 pads and one velocity-sensitive sub pad.
Yes. The OLED display supports waveform viewing and editing with zoom and marker placement.
Named effects include Vinyl Simulator, DJFX Looper, Lo-fi, Cassette Simulator, and Resonator.
It adds Loop Capture and Groove functions, Elf Audio Sampler app compatibility, and a Sound Generator section with a programmable digital oscillator.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.