Roland SP-404A Linear Wave Sampler

Roland SP-404A Linear Wave Sampler

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SKU: ROLSP404A Category:

Roland SP-404A is based on Roland’s SP-404SX, a longtime sampling favorite of DJs and music producers. All of the functions and features of the SP-404SX are contained in the SP-404A, including 16-bit linear sampling, 29 onboard DSP effects, smooth FX switching, 12 professional performance pads, and an onboard pattern sequencer.

The SP-404A can be triggered from the Roland AIRA TR-8 Rhythm Performer via MIDI for integrated beat and sample production. Users can incorporate samples from the SP-404A and use them in conjunction with drum patterns, and each of the TR-8’s 11 tracks can trigger a sample on the SP-404A, play a TR-8 sound, or both.

Additionally, the TR-8 can be used as an audio sub-mixer and processor for the SP-404A. In this configuration, all samples played on the SP-404A can be effected using the TR-8’s Scatter feature to reverse, glitch, gate, truncate, stutter, and perform all types of rhythmic variations in perfect sync. Samples can also be controlled by the TR-8’s per-step Side Chain function for rhythmic ducking and gating effects.


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 color 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


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)

Effects: 29 types

Pads: 12 + Sub pad × 1

Controllers: Control knob × 3

Display: 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

Width: 178 mm; 7 inches

Depth: 257 mm; 10-1/8 inches

Height: 73 mm; 2-7/8 inches

Weight (excluding AC adaptor): 1.2 kg; 2 lbs 11 oz

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