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

*Include preload data

Maximum sampling time 16 minutes (approximately 185 MB per sample)
Skip back sampling time Maximum 25 seconds (Always records LINE OUT signal independently of sampling/resample)
Data format 16-bit linear
Import Format

WAV, AIFF, MP3 import supported.

*SP-404MK2 APP supports WAV, AIFF, MP3, FLAC, M4A.

Sample Rate 48 kHz
Pattern sequencer

Resolution: 480 ticks per quarter note

Pattern length: 1 to 64 bars

Recording method: Realtime Loop Recording (with shuffle quantize function)

Effects

Multi-effects: 37 types

Input effects: 16 types

Pads 16 pads + 1 sub pad (Velocity-sensitive pad)
Controllers Control knob x 3
Display Graphic OLED display
External Storage

SD card (SDHC compatible, sold separately)

* For backup, restore, import, and export functions

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 jack

Power Supply

AC adaptor

USB bus power supply (USB Type-C® port, 1.5 A or more)

Ni-MH batteries (AA, HR6) (commercially available) x 6 or Alkaline battery (AA, LR6) (commercially available) x 6

Current Draw

1,100 mA (AC adaptor)

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

178 (W) x 276 (D) x 71 (H) mm

7 (W) x 10-7/8 (D) x 2-13/16 (H) inches

Weight (excluding AC adaptor)

1.1 kg

2 lbs 7 oz

Accessories

Quick start

"Read Me First" leaflet

AC adaptor

Warranty card

Options (sold separately) TRS/MIDI connecting cable: BOSS BMIDI series, BOSS BCC series

This document explains the specifications of the product at the time that the document was issued. For the latest information, refer to the Roland website.