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), TR-REC (Automation supported)  |  
           
Effects  |  
            Multi-effects: 41 types Input effects: 17 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, commercially available) * 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 Wireless MIDI Expression Pedal: BOSS EV-1-WL  |  
           
- 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.