Roland FR-4x Red

Digital Accordions | Product code: FR-4X-RD | ID: 235161

Roland FR-4x Red


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Estimated delivery 2020-07-15

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Roland FR-4x Red
Roland BAG-FR3

Roland FR-4x Red

Digital V-Accordion with 37 keys and 120 left-hand buttons, light and compact design with red finish, responsive pressure-sensing bellows, and full-range onboard speakers. The accordion features the powerful sound engine as Roland’s flagship FR-8x and enables you to choose from a selection of 100 accordion sound sets (including 67 pre-loaded sets), 162 orchestral sounds, 32 organ sounds, 3 drum sounds, built-in chorus, reverb, and rotary effects and opportunity to play in silence using headphones or connect to a PA for live performance. Control other electronic musical instruments via the MIDI connector, or record your playing to a connected USB stick and share your music with the world. The device is powered by an AC adaptor or 10 AA batteries.



  • Right hand:37 keys (with velocity sensitivity)
  • Left hand: 120 bass buttons (with velocity sensitivity)
  • Bass & Chord Mode (Left-Hand Keyboard Note Layout): 2 Bass Rows, 3 Bass Rows A-7th, 3 Bass Rows A-5dim, 3 Bass Rows B-7th, 3 Bass Rows B-5dim, 3 Bass Rows Bx-7th, 3 Bass Rows Belgium
  • Free Bass Mode (Left-Hand Keyboard Note Layout): Minor 3rd, Bajan, Fifth, North Europe, Finnish
  • Bellows: High-resolution pressure sensor for the detection of bellows pressure
  • Bellows resistance regulator: wheel with fine adjustment
  • Bellows curve: Fixed Low, Fixed Med, Fixed High, X-Light, Light, Standard, Heavy, X-Heavy, Close, Open, Tango, Traditional, Jazz, Classic, Dynamic1, Dynamic2


  • Polyphony: 128 voices
  • Tones (Accordion Set):100 Accordion Sets
  • Each Accordion Set includes (number of sounds that can be assigned to the register buttons):
  • Right Hand Registers: 14 Accordion registers, 14 Orchestra registers, 14 Organ registers
  • Left Hand Registers: 7 Bass & Chord registers, 7 Free Bass registers,
  • 7 Orchestra Bass registers, 7 Orchestra Chord registers, 7 Orchestra Free Bass registers
  • Reed Footages:7 Treble, 5 Bass, 3 Chord, 2 Free Bass
  • Orchestral sounds: 162
  • * Orchestral sounds can also be used with orchestral bass sounds, orchestral chord sounds, and orchestral free bass sounds.
  • Organ sounds (Virtual Tone Wheel): 32 presets for Treble, Orchestra Chord and Orchestra Free Bass sections, 16 presets for Orchestra Bass section
  • Drum Sets: 3
  • User Programs: 98: 7 User Program Bank x 14 registers


  • Noises: Stopping-reed growl, Closing valve noise, Left button noise
  • Individual Reed Simulation: Hysteresis Threshold, Expression Curve, Pressure-Variant Filter, Pressure-Variant Pitch Deviation
  • Switching Reed Sound Wave: By bellows acceleration, by note repetition speed
  • Bellows opening/closing sound change: By bellows opening/closing detection


  • Micro-Tuning Presets:16 Types: Off, Dry, Classic, F-Folk, American L/H, North Europe, German L/H, D-Folk L/H, Alpine, Italian L/H, French, Scottish
  • Fine Tuning reed footages 8- / 8+: -100 to 0 to +100


  • Reverb: 8 types
  • * Includes delay type.
  • Chorus: 8 types
  • * Includes delay type.
  • Rotary for Organ sound: Slow/Fast
  • "Cassotto" simulation: Yes
  • 4 Band EQ for Internal Speakers: Yes


  • Knob controls & Registers: Volume, Balance, Reverb, Chorus,
  • Right hand register buttons: 7 x 2
  • * Use the A/B button to switch between sounds assigned to the register buttons.
  • Left hand register buttons: 7
  • Navigation switches: Menu/Write, Exit/No, Enter/Yes, Cursor , Value -/+ (Set Down/Up)

Other switches

  • Right Hand Parts switches (Accordion, Orchestra, Organ)
  • Left Hand Parts switches (Drums, Orch Bass, Orch Chrd/F.Bass, F.Bass, Bass&Chrd)
  • User Program, Song List, Play/Pause, Rec, Power

Additional switches

  • 6 user assignable function switches on last row of bass buttons


  • Right Hand Keyboard Mode: Layer (Zone), High, Low
  • Octave Shift: -3, 0, +3 for Orchestra
  • This setting can be saved individually for each set.
  • -1, 0, +1 for Treble, Orchestra, Organ (Right hand)
  • This setting can be saved individually for each user program.
  • Orchestra Chord Guitar Mode: Gtr Table1, Gtr Table2, Gtr Table3
  • Sound Edit: Yes * The dedicated editor allows full editing.
  • Bass to Treble: Yes
  • Part Mute: Accordion, Orchestra, Organ, Bass&Chord, Free Bass, Orch Bass, Orch Chord, Orch Free Bass
  • Bass & Chord with drum/percussion sounds: Programmable drum/percussion sounds for Bass/Orch Bass rows, Chord/Orchestra Chord rows.
  • Audio Player and Audio REC: MP3/WAV file playback from a USB flash drive, WAV file recording to a USB flash drive
  • Speakers On/Off: Yes
  • Left-hand Button Keyboard Layer: Yes


  • Display: Custom LCD (8 characters + 16 segments x 4)
  • Rated Power Output: 2 x 11 W
  • Speakers: 2 x 10 cm, 1 x Tweeter
  • Wave Expansion: 4 internal areas (8 MB each) to load new sounds * When shipped from the factory, sounds are pre-installed in two areas.
  • Power supply: AC adaptor,  Batteries (AA-type rechargeable Ni-MH x 10) * Expected battery life under continuous use: 5 hours speaker ON mode, 9 hours speaker OFF mode
  • Current Draw: 2,000 mA

Onboard connectors

  • OUTPUT jacks L/Mono (Treble), R/Mono (Bass): 1/4" phone type
  • PHONES jack: Stereo 1/4" phone type
  • INPUT jack: Stereo miniature phone type
  • MIDI (IN or OUT) connectors
  • USB MEMORY port
  • USB COMPUTER port (USB Hi-Speed MIDI support)
  • (Use a USB cable and a USB port on your computer that supports Hi-Speed USB.)
  • DC IN jack


  • AC Adaptor
  • Power cord (for connecting the AC adaptor)
  • Owner's Manual
  • Reference caps for the bass buttons
  • Straps
  • Accordion cover
  • Attachment strip

Option (sold separately)

  • USB Flash memory
  • Soft case for accordion (BAG-FR-3)
  • Headphones
  • MIDI foot controller (FC-300)


  • Width: 481 mm/ 18-15/16 inches
  • Depth: 270 mm/ 10-11/16 inches
  • Height: 430 mm/ 16-15/16 inches
  • Weight: 8.9 kg/ 19 lbs. 10 oz. (Without straps and batteries)

Parameters and specifications

Number of Basses


Number of Keys


Treble registers


Bass registers


Number of Sounds




Battery Operation Possible


Built-in Speaker


Original Colour by Producer




USB to Device


USB to Host


Incl. Gig bag/Case


UK/EU Power supply included


Power (Watt)


Package Contents



Made in


Depth (cm)


Width (cm)

Height (cm)


Weight Netto (kg)


Buy Roland FR-4x Red in discounted set.

SET with discounted accessories. Accessories and consumables will be necessary sooner or later. Buy them now and save yourself some money and time. You will not have to deal with it later. Additionally, you can be sure the accessories in the SET will fit your instrument.

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