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Roland SP404 A

Compact sampler with effects (2017)

Roland Sp404A


OVERVIEW A portable 12 voices polyphony sampler with battery that can be used in combo with AIRA TR-8 Rhythm Performer -it be triggered from the TR-8 Rhythm Performer for both beat and sample production by MIDI. Each of the TR-8’s 11 tracks can trigger a sample on the SP-404A, play a TR-8 sound. Note the SP404A is an upgrade from previous Roland 404SX with new effects and features.

EFFECTS  some digital FX with Scatter feature to reverse, glitch, gate, truncate, stutter, and perform rhythmic variation eith timmed sync.
 Also 29 onboard DSP effects. reverbs and choruses plus lush filters and delays, a voice transformer and a looper. The filter and isolator provide the ability to alter the sound


Samples, sequencer and memory

SAMPLING The maximum sampling time (size) for a single sample is approximately 180 minutes in stereo (2 GB) with   16-bit linear (.wav/.aiff) at 44kHz . The SP-404A comes with nine banks of preloaded stuff designed specifically to complement the TR-8 applications. Additional samples can be loaded via the SD Card slot, which supports SDHC card sizes up to 32 GB. Import WAV or AIFF audio files from  Mac or Windows computer using the FREE software , and then assign them to the SP-404A’s pads. 
SEQUENCER TthePattern Sequencer, which is specifically designed for real-time track creation is pptimized for live engagement, it features Quantize mode which includes shuffle feels for groove, swing, and movement. You can create patterns on the fly via the 99 available measures, and with continuous looping, the ability to layer, structure, and shape a track.

MEMORY 120 patterns (12 patterns x 10 banks) +  Approx. 16,000 notes

Sp404A Technical Data

Tech Specs

Maximum Polyphony
12 voices
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.
Data Format
16-bit linear (.wav/.aiff)
Sampling Frequency
44.1 kHz
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)
29 types
12 + Sub pad × 1
Control knob × 3
7 segments, 3 characters (LED)
Onboard Mic
Mono × 1
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
*Batteries sold separately
Battery Life for Continuous Use
Rechargeable Ni-MH battery: Approximately 5 hours (When using batteries having a capacity of 1,900 mAh.)
Alkaline battery: Approximately 4 hours
*These figures will vary depending on the actual conditions of use.
Current Draw
450 mA
SD Card
AC Adaptor
Owner’s Manual

  • Type: Sampler Sequencer
  • Pads: 12 performance pads, 1 x sub pad
  • Sounds: 120 samples stored to SD card
  • Sequencer: 12 patterns x 10 banks, 16,000 max notes, 99 max measures
  • Sampling: 16-bit/44.1kHz, 180 minute max sample time (card dependent)
  • Looper: Realtime loop recording, 120 patterns
  • Number of Effects: 29 effects
  • Analog Inputs: 1 x Dual RCA Stereo (line), 1 x 1/4" (mic)
  • Analog Outputs: 1 x Dual RCA Stereo (line), 1 x 1/4" (headphones)
  • MIDI I/O: In
  • Other I/O: Built-in Mic
  • Additional Media Storage: SDHC/SD card slot
  • Power Supply: 9V DC 2000mA power supply / 6 x AA batteries (5 hour play time)
  • Height: 2.87" 73mm
  • Width: 7.0"178mm
  • Depth: 10.12" 257mm
  • Weight: 2 lbs. 11 oz. 1,2kg
  • Manufacturer Part Number: SP-404A


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Audio demo and video 

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