Roland SP-404A Linear Wave Sampler

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  • Regular price £409.00
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The Roland SP-404A is a powerful linear wave sampler that combines the power of both sampling and sequencing allowing you to build and create songs live or in the studio with endless loops and tracks. A distinctive 16-bit linear sampler works seamlessly with 29 onboard effects, smooth FX mixing, and 12 professional performance pads provide you with an intuitive workflow that is perfect for live performers, DJs, studio sessions, and musicians. Supplied with the SP404A is an SD Card filled with a library of samples by industry-leaders Loopmasters and pairs excellently with the TR-8 for exciting live performances.

  • Sample anytime, anywhere with the built-in mic and battery power
  • Can be triggered from the 16-step sequencer in the TR-8 Rhythm Performer (TR-8 system version 1.50 or later required)
  • AIRA black-and-green colour scheme to match existing AIRA hardware
  • “Sounds by Loopmasters” SD card includes over 100 new stereo samples, effects, and one-shots
  • 29 DSP effects, including filter, delay, unique voice effects, subsonic, looper, and more
  • Three control knobs, 12 trigger pads, and Sub Pad for rapid-repeat triggering
  • Seamless effects switching for smooth, perfect performances
  • Pattern sequencer with quantize mode and shuffle feels
  • Import audio files from a computer and assign samples to pads with free Mac/Windows software

Roland SP-404A Technical Specifications:

  • Maximum Polyphony: 12 voices
  • Data Format: 16-bit linear (.wav/.aiff)
  • Sampling Frequency: 44.1 kHz
  • Effects: 29 types
  • Pads: 12 + Sub pad × 1
  • Controllers: Control knob × 3
  • Display: 7 segments, 3 characters (LED)
  • Onboard Mic: Mono × 1

Recordable Data

  • Samples: 120 (12 samples × 10 banks) (stored on SD card)
  • Patterns: 120 (12 patterns × 10 banks) (stored on SD card)

Sampling Time (Total time for all samples)

  • The maximum sampling time (size) for a single sample is approximately 180 minutes in stereo (2 GB). The following shows the approximate total sampling time of the samples that can be stored on one SD card.

Card capacity / Stereo (Mono)

  • 1 GB: Approx. 90 min. (180 min.)
  • 2 GB: Approx. 180 min. (360 min.)
  • 4 GB: Approx. 360 min. (720 min.)
  • 8 GB: Approx. 720 min. (24 hours)
  • 16 GB: Approx. 24 hours (48 hours)
  • 32 GB: Approx.48 hours (96 hours)

*Since the SD card included with the SP-404A contains preload data, the available sampling time will be less than the time above.

Pattern Sequencer

  • Maximum recordable notes: Approx. 16,000 notes
  • Resolution: 96 ticks per quarter note
  • Pattern length: 1–99 measures
  • Recording method: Realtime Loop Recording (with shuffle quantize function)


  • LINE IN jacks (L, R) (RCA phono type)
  • LINE OUT jacks (L, R) (RCA phono type)
  • PHONES jack (Stereo 1/4-inch phone type)
  • MIC IN jack (1/4-inch phone type)
  • MIDI IN connector
  • DC IN jack
  • SD card slot


  • Power Supply: AC Adaptor or Alkaline battery (AA, LR6)/Rechargeable Ni-MH battery (AA, HR6) × 6
  • Battery Life for Continuous Use - Rechargeable Ni-MH battery: Approximately 5 hours (When using batteries having a capacity of 1,900 mAh.)
  • Battery Life for Continuous Use - Alkaline battery: Approximately 4 hours
  • Current Draw: 450 mA

*These figures will vary depending on the actual conditions of use.
*Batteries sold separately


  • SD Card
  • AC Adaptor
  • Owner’s Manual

Size and Weight

  • Dimensions (wxDxH mm): 178 x 257 x 73
  • Weight (excluding AC adapter): 1.2Kg