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Roland SP-404MKII Linear Wave Sampler

Sampler Workstation with Pattern Sequencer, 16 Performance Pads, Mic/Guitar Input, Stereo Line I/O, MIDI I/O, 2 Headphone Outputs, 16GB Onboard Storage, and Native Serato Support
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Item ID: SP404mkII
Roland SP-404MKII Linear Wave Sampler
Roland SP-404MKII Linear Wave Sampler

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SP-404MKII Linear Wave Sampler with Decksaver Cover

SP-404MKII Linear Wave Sampler and Gig Bag
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Frequently Asked Questions

Roland SP-404MKII Linear Wave Sampler

Q: Who is the Roland SP-404MKII designed for?

Q: How does the SP-404MKII handle sampling and recording?

Q: Is the Roland SP-404MKII suitable for use on the go?

Q: How can I connect the SP-404MKII to other gear?

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Roland's Portable Sample Workstation Is More Potent Than Ever

The Roland SP-404MKII Linear Wave Sampler is the most powerful incarnation of Roland's beloved sampling workstation ever devised. Dual headphone outputs streamline collaboration with other musicians without needing a mixer or separate headphone amplifier to monitor your sampling session. An updated resampling workflow makes it simple to re-record patterns and effects layers; plus, with a generous selection of new effects on top of classic SP effects, the sound design potential is vast. Factor in its OLED screen for visual sample editing, the ability to tap out edit points in real time, pattern sequencing to turn ideas into full performances, and native Serato integration, and it's clear the Roland SP-404MKII stands out as a leader among portable sampling workstations.

Pro tip: to better grasp the full creative potential of the SP-404MKII, check out Sweetwater's Knowledge Base article, Working with Projects and Samples on the Roland SP-404MKII.

Related Videos: SP-404MKII Linear Wave Sampler

Sample or stream to mobile devices via USB-C

Here's a first among portable sample workstations: the SP-404MKII is equipped with a USB-C port to connect to your mobile device. You can sample audio from mobile apps, videos you've recorded, or any other audio source from your device. You can also stream audio to your device directly from the SP-404MKII. Finally, the USB port allows you to connect with the SP App on your computer for sample editing and project management.

All the effects you need

Sample artists at Sweetwater have long been fans of the SP series' effects like Vinyl Simulation and DJFX Looper, and the SP-404MKII adds even more ear candy to the mix. Effects such as Lo-fi, Cassette Simulation, and Resonator expand your creative potential, and the Mic/Guitar input can tap into Vocoder, Auto-Tune, and Guitar Amp Simulator effects. And thanks to the SP-404MKII's updated resampling workflow, it's faster than ever to process audio through effects and bring the resampled audio into your arrangement.

DJ mode encourages live performance

Gigging electronic musicians who typically juggle two SP sampling workstations will rejoice at the SP-404MKII's new DJ mode. It offers an all-new approach for live performance, allowing you to manipulate and mix two audio files with eight pad controllers per side. Speaking of live performance, the SP-404MKII allows you to chain patterns together manually, save a sequence of patterns chained together for playback, or even link up to four pads to be triggered by a single pad.

The ultimate SP — now a Serato controller too!

Since its release in 2021, the SP-404MKII has been the tool of choice for performance-based beatmakers and creative musicians. Now, with version 5, this sampler workstation offers seamless integration with premier software tools in DJ and beat culture, including native support for Serato DJ Lite, Serato DJ Pro, and Serato Studio. This enables you to use the SP-404MKII as a pre-mapped Serato controller, paving the way for innovative DJ sets, beatmaking, and song creation. Additionally, you can combine Serato’s advanced audio processing with the SP-404MKII’s intuitive interface, fusing the creative power of Serato Stems technology with the expressive capabilities of Roland’s acclaimed SP effects.

The SP-404MKII’s version 5 update also includes potent bug fixes and several user-requested enhancements, such as displaying the current setting during resampling and allowing you to trigger the start of the resample with the Sound Generator, which can now be accessed when resampling is restarted. Moreover, MIDI CC transmission is assigned to the unit’s CTRL knobs, and Skip Back Sampling can now be performed while in DJ mode.

Roland SP-404MKII Features:

  • Compact and portable sampling workstation for production and live performance
  • Includes 144 pre-loaded samples and patterns across 9 banks to get you started
  • Huge sample storage capability, with 16GB onboard storage and support for 32GB SD cards (maximum)
  • 16 velocity-sensitive, 9-color RGB pads for finger drumming, sample triggering, and launching patterns
  • Vibrant OLED screen for visual waveform editing
  • Powered by USB-C, mobile battery, 6 AA batteries, or AC adapter (included)
  • Can sample from mobile devices via USB-C or even stream audio directly to your device
  • Expanded effects including Lo-fi, Cassette Simulation, and Resonator, plus Vocoder, Auto-Tune, and Guitar Amp Simulator via the Mic/Guitar input
  • Dual headphone outputs make it easy to collaborate with other musicians without a mixer or headphone splitter
  • Envelope and pitch shift for shaping samples
  • Updated resampling workflow makes it easier to re-record samples through various effects
  • Skip Back Sampling captures up to 40 seconds of a performance — never miss a sonic gem just because you didn't hit record
  • Adjustable input quantization and shuffle
  • Up to 4 pads can be triggered simultaneously with Pad Link
  • Roll button for triggering note repeats at speeds of 1/2 beat up to 1/64 beat
  • DJ mode allows you to mix and manipulate 2 audio files with 8 controls per side
  • BPM can be set per-bank for scripted tempo changes
  • Native support for Serato DJ Lite, Serato DJ Pro, and Serato Studio

Resources

How to Sample Vinyl Records on SP-404, MPC-X, and More
Apr 9, 2025
Roland SP-404MKII 4.04 Update: Explosive Possibilities That Change Everything
Apr 4, 2024
What Is a Sampler and How Does It Work?
Mar 7, 2023
Article thumbnail
Retro Rigs: The Best Electronic Instrument Reissues
May 21, 2022
 Article thumbnail
Roland SP-404MKII Linear Wave Sampler | First Impression
Oct 13, 2021

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Tech Specs

  • Type: Sampler with Sequencer
  • Screen: Graphic OLED Display
  • Pads: 17 x Velocity-sensitive Pads
  • Other Controllers: 3 x Control Knobs
  • Sounds: 144 x Factory
  • Presets: 16 projects, 160 samples per project
  • Polyphony: 32-voice
  • Sequencer: 16 pattern chains per project
  • Looper: Realtime loop recording
  • Sampling: 16-bit/48kHz, 16 minutes max (stereo), 40-second Skip Back Sampling
  • Effects: 37 x Multi-FX, 2 x Input FX, Vocoder, Vinyl Simulator, Auto Pitch, Guitar Amp Simulator
  • Analog Inputs: 2 x 1/4" (L/mono, R), 1 x 1/4" (mic/guitar)
  • Analog Outputs: 2 x 1/4" TRS (L/mono, R)
  • Headphones: 1 x 1/8", 1 x 1/4"
  • MIDI I/O: 2 x 1/8" Type A (In, Out), USB
  • USB: 1 x USB-C
  • Storage: 16GB internal storage, SD Card
  • Format: Onboard: WAV, AIFF, MP3 ; App: FLAC, M4A
  • Software: SP-404MKII Editor
  • Power Source: AC adapter (included), 6 x AA battery, USB Power
  • Height: 2.77"
  • Width: 6.98"
  • Depth: 10.85"
  • Weight: 2.42 lbs.
  • Manufacturer Part Number: SP-404MK2

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Reviews

4.6

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Essential Equipment
I write this after two years of incessant use and shows... I love this unit.

This is my desert island sampler and it has become so essential to all of my projects that I'm currently considering buying a second one. I love this unit that much.

Yes, there are shortcuts to learn, and step sequencing can be a pain at first, but if you apply yourself, you will find no better piece of equipment to work with.

This is not just something for hip hop and lo-fi. It works with all genres.
by Jedediah Goold from KS on
Music background: Hobbyist
BEAT MAKING BEAST!!!!
The Roland SP-404MKII is a killer beat making machine. I was lucky enough to get an early pre-order from my awesome Sweetwater team member Ryan Vlahovich. A shout out to Ryan for his help making this happen. I was making beats within 20 minutes of opening the box having never played a Roland SP-404. The beat making monster is intuitive, fun, fast, and the build quality is great.

Having owned an MPC One, 1010 Music Blackbox, PO 33, Circuit, and Model Samples, I can say this is in a league of its own. The MPC One is a monster and highly recommend for making complete songs and albums. The 1010 Music Blackbox is killer for hooking up other synths and launching clips like Ableton. Where the SP-404MKII shines is the fun factor and fast workflow. Its ideal for hip-hop, electronica, and ambient.

The Pros:
• Fun and fast workflow
• Build quality is superb with tough pads and knobs
• Multi-use machine for making beats, DJing, FX unit, and recording
• Dual headphones for making beats with a friend (used it 1st day)
• Legendary FX. The new effects are excellent and the Vinyl 303/404 are great
• Large storage. 16GB with additional 32 GB SD card option
• Easy to use App to transfer, edit, and manipulate samples (This makes a fast and fun workflow)
• Audio Interface....yes you can use this to record guitar, bass, synths, vocals into your DAW
• Customize the unit. I've already ordered new skins to make it rock

Cons:
• None

The only comparable beat making instrument that comes close to this is the Koala App. But then you need an i Pad and a MIDI controller and you still can't do as many things. I highly recommend the Roland SP-404MK2. Its one of the funnest beat making instruments I've ever used. Every hour I use this I realize another potential use for it for live shows to studio production work. I can see this instrument becoming an every day feature of my workflow process and creative output. Where words fail, music speaks. And this magic box makes plenty of awesome music.
by B. Blank from Portland, OR on
Music background: Sonic Landscaper
Monster
Very,Very Impressed. It is Intimidating Until you use it and come up with a workflow. I'm holding this at a very high standard of Sonic's.
Don't be Fooled By Its Size.
by Sweetwater Customer on
Game changer
I've been doing experimental noise/industrial adjacent music for a long time. I've always relied on looper pedals for sample playback during live sets. Looper pedals have worked for my needs, or more likely, I've adapted my live sets to work within their limitations. The 404 mkii has opened my eyes to a new workflow.
I found this device so compelling that after unboxing it, 12 hours passed in a blink. Suddenly I was using the 404 like I knew what I was doing. Immersion learning!

It's the first instrument (and it IS an instrument) in a long time that makes me really want to play. Once you get a feel for it. The possibilities are endless.

There are a ton of built in sounds to get you started. Some are super cheesy and geared toward what I imagine somebody into the 'Samurai Champloo' trip hop anime soundtrack would love (no shame!).
But even the silly pads and patterns, some not super edgy or interesting, still sound surprisingly good. You can run them through an array of fx, resample them and turn them into something new and nasty.

I quickly began uploading my own samples. There are many ways to do this. I've found that a lightning to 1/4" ts cable from my iphone into the front mic/gtr input works best for me. If I find a clip of morbid dialogue in a movie, or a useful melody from a stupid commercial, I can immediately put those sounds into a pad and manipulate them with no mercy. I've recorded sounds from my looper pedals to the 404 as well. In that case I've sometimes needed to EQ or boost the output from the looper pedal to get a higher volume. The front gtr/mic input on the 404 has a gain knob which helps boost quiet incoming samples.
The amount of fx on this machine is staggering. Some are useful, some are bizarre but they are all fun.
I love the ability to loop or reverse any sample with a button press. Resampling is a blast to try out different effects on your samples or layer multiple pads/loops together.

The number of buttons and functions is formidable, that's why some people get overwhelmed. But if you can record with a DAW, you'll figure the 404 out no problem.
Do some research to figure out if the sp 404 mkii is right for you.

This device's potential isn't limited by genre or style.
I know darkwave artists, synthpop people, DJs, even a solo blackmetal guy, all who use the 404 mkii.
You don't have to be a beatmaker to make it work for you. There are a lot of people in the power electronics and noise communities who use a 404 to great effect.
Every time I sit down with my mkii, I figure out some other feature or way to use it.
There's enough internal storage to allow for improvisation and a wide pallette of samples. I've still only scratched the surface as my needs are fairly simple. I know I'll continue to find uses for my new 404, both live and for recording.
by Aaron L from Seattle, WA on
Great sampler
Awesome sampler, the effects are super useful. There are a ton of features that I will probably never use but it's good to know they are available
by Damian from Florida on

Simply put, modern electronic music wouldn't exist without Roland. Many of the electronic musicians here at Sweetwater cut our teeth on TR Rhythm machines and fondly remember programming our first TB-303s. We owe a good part of our careers to this amazing and innovative company. It's been fun to watch and grow right alongside Roland, as they've introduced wave after wave of revolutionary keyboards, digital pianos, and more. For example, Roland's V-Drum Kits continuously redefine the possibilities of electronic drums, beginning with SuperNATURAL technology to the latest Prismatic Sound Modeling. We're huge fans, and we'd love to tell you all about them. Whether you want a pocket-sized synth or a cutting-edge video mixer, if Roland makes it, then Sweetwater is 100% behind it.

See also: Beat Machines, Roland, Roland Drum Machines & Samplers