B-Stock Roland SP-404MKII Sampler and Effector

B-Stock Roland SP-404MKII Sampler and Effector

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B-Stock Explained

B-Stock is in full working order and is protected by a standard manufacturers warranty as if you are buying the A-Grade equivalent.

B-Stock may be ex-display, opened for demonstration, returned by a customer, refurbished, or have accessories or software missing e.g. gig-bag, manuals etc. There may also be signs of use including minor wear and damage, and it may not come in the original packaging. If you have any questions about the condition of an item, please get in touch with our friendly sales team.


Create immersive beats wherever you are with Roland's newest addition to their exceptional range of SP Samplers.

Exceptional Performance

Continuing Roland's reign as the king of performance-based beat-making, take your sound to new heights with the Roland SP-404MKII. An elite SP sampler that's impressively fast and efficient to meet every need of the modern-day performer anywhere, anytime.

With highly expressive pads, a crystal clear OLED display, plus an extensive range of effects, samples and sounds, you'll never be short of inspiration or the sound you need.

Roland SP-404MKII Creative Sampler and Effector Features:

  • Vivid OLED Display for Visual Waveform Editing, Full Menu Access, and More
  • 17 Velocity-Sensitive, RGB Pads
  • Faster Workflow with Quick Startup and Load Times
  • Compact, Ultra-Lightweight Design
  • Extensive Onboard Effects, including SP Classics like Vinyl Simulator and DJFX Looper
  • 32-voice Polyphony, 160 samples per Project, and 16 Internal Projects for Expanded Programming Possibilities
  • Blazing Onboard Sample editing with Various Options
  • Pre-Loaded Sound Library with 144 High-Quality, Professionally Recorded Samples and Patterns

Highly Efficient

Preserving what creatives love about its predecessors, the SP-404MKII comes with some highly impressive upgrades to meet every demand. With 17 incredibly expressive pads and enhanced control knobs for sleek, hands-on control when you need it most.

With a speedy boot time, beat-making is quicker than ever before thanks to the fast project loading and sample importing. That's not all though as project access is made effortless due to the 16GB internal storage, which includes a preloaded selection of curated samples to spark your creativity.

Advanced Customisation

Wanting to make samples sound unique? Sample editing is made spectacularly simple with the SP404MKII's elite OLED screen and zoomable waveform view. Cut samples in real-time or use the auto chop to slice up samples automatically, then use the envelope or pitch shift to make it your own.

Boasting an array of timeless SP effects and a selection of new additions, finding the perfect sound has never been easier. With classic offerings such as Vinyl Simulator and DJFX Looper, compliment your tones with the newly added Lo-Fi, Cassette Simulator and Resonator.

Impressively Portable

Showcasing the ability to create beats anywhere you go, the Roland SP-404MKII can be powered either by AA or mobile battery power or alternatively used as an interface with mobile devices via USB.

Roland SP-404MKII Creative Sampler and Effector Specifications:

  • Maximum Polyphony: 32 voices

Recordable Data:

  • Samples: 2,560 (16 samples x 10 banks x 16 projects, stored in internal storage)
  • Patterns: 2,560 (16 patterns x 10 banks x 16 projects, stored in internal storage)
  • Internal storage: Size: 16 GB
  • Maximum sampling time: 16 minutes (approximately 176 MB per sample)
  • Skip Back Sampling: 20 seconds (capturing the last moments of performance)
  • Data format: 16-bit linear WAV, AIFF, MP3 import supported (SP-404MK2APP supports WAV, AIFF, MP3, FLAC, M4A)
  • Sampling frequency: 48kHz

Pattern Sequencer:

  • Resolution: 480 ticks, quarter note
  • Pattern length: 1 to 64 bars
  • Recording method: Real-time Loop Recording


  • Multi-effects: 37 types
  • Input effects: 2 types
  • Pad: 16 pads + 1 sub pad (Velocity-sensitive pad)
  • Controller: Control knobs x 3
  • Display: Graphic OLED display
  • External Storage: SD card (sold separately) for backup, restore, import, and export functions (SDHC compatible)

Connection terminals:

  • PHONES jacks: 1/4-inch phone type, Stereo miniature phone type
  • LINE OUT (L/MONO, R) jacks: 1/4-inch TRS phone type (impedance balanced)
  • LINE IN (L/MONO, R) jacks: 1/4-inch phone type
  • MIC/GUITAR IN jacks: 1/4-inch TRS phone type (for MIC), 1/4-inch phone type (for GUITAR)
  • MIDI (IN, OUT) jack: Stereo miniature phone type
  • USB terminal: USB Type-C (Audio, MIDI)
  • DC IN terminal

Power Supply:

  • AC adapter
  • USB bus power supply (USB Type-C port, 1.5 A or more)
  • Ni-MH batteries (AA, HR6)(sold separately) x 6
  • Alkaline battery (AA, LR6)(sold separately) x 6

Current Draw:

  • 1,100 mA (AC adapter)
  • 1,500 mA (USB bus power)

Expected battery life under continuous use:

  • Alkaline battery: Approx. 2.5 hours
  • Ni-MH battery: Approx. 3.5 hours*This can vary depending on the specifications of the batteries, capacity of the batteries, and the conditions of use.
  • External dimensions: 177.5 (W) x 275.8 (D) x 70.5 (H) mm7 (W) x 10-7/8 (D) x 2-13/16 (H) inches
  • Weight (excluding AC adapter): 1.1 kg/2 lbs 7 oz

Accessories Included:

  • Quick start
  • "Read Me First" leaflet
  • Roland User Registration Card
  • AC adapter
  • Warranty card
More Information
Manufacturer Roland
SKU 324713-B
Shipping Weight (kg) 1.100000
Software Included Yes
Power Supply AA Battery Powered
Warranty 2 Years
Series SP Series


We have a wide range of Delivery Options available, depending on the value of your parcel and budget. Select from our 2-3 Day Saver Service or our Next Working Day options at the Checkout.
This will include a text or email on the day of delivery giving you an exact hour window of when your gear will be with you, and the drivers name - just so you know when to turn the volume down!

  • Free Delivery Available on Selected Products
  • Weekend UK Mainland Delivery (Saturday-Sunday): £19.99
  • Small Items (Under 750g) Small items will be delivered by Royal Mail starting from 99p
  • Heavy Items (Over 30kg): Pallet Service Doorstep Delivery £65

For heavy items, courier details, out of stock products, out of area postcodes or international deliveries see our full Delivery info here.


Rather not wait in for the delivery? Don’t worry, we’ve got you…In Stock items can be ordered and paid for in-advance Online via our Click & Collect service. As long as if it's in stock at your chosen branch, you can collect the item within the hour.

Click here for more about our local Click & Collect Service.


If you and your item aren’t getting along, you have 14 days from when you receive the goods to contact our PMT experts either by phone or email to return your item.

*Please note, we cannot accept returns of:

  • Special/Custom Orders - Any order that is custom or has been personalised.
  • Products with Hygiene Seals - Microphones, any in-ear earphones, monitors, orchestral instruments with mouthpieces and any other items that touch your mouth, nose or inner ear if you have broken the hygienic seal on the packaging.
  • Software & Media - Any software or media that has been opened or registered via physical or digital means.

Click here for more information on Returns at PMT.

Online Orders

If you and your new item aren’t getting along, you have 14 days from when you receive the goods to contact our PMT Experts either by phone or email to return your item or organise an exchange for something more suitable.

Store Orders

If you've changed your mind about something you bought in-store, bring it back within 14 days of purchase and we'll be happy to exchange it for another product, a gift card or store credit.


B-Stock is in full working order and is protected by a standard Manufacturer's Warranty as if you are buying the A-Grade equivalent!

B-Stock may have been opened for Demonstration, returned by a customer, refurbished, or have non-essential accessories or software missing.

There may also be signs of use including minor wear and damage, and it may not come in the original packaging.