Roland FR-4XB-RD Button Version

Roland FR-4XB-RD Button Version

by Roland
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The all-new FR-4x button-style accordion is the latest techinical achievement from Roland. This latest accordion model not only integrates a host of new features to make this the most versatile accordion yet, but also seemingly does so while retaining the feel of a well-used, well-loved traditional instrument. You'd almost forget that you were playing a digital instrument.

Button-style digital accordion brings all new features to an even smaller design.

Play in Any Style with Customizable Onboard Tones

A traditional acoustic accordion offers just one dedicated sound. With its powerful sound engine carried over from the flagship FR-8x electronic accordion, the new FR-4x puts an entire orchestra in your hands, with a wide range of onboard sounds to support any musical style. Maybe you’ll dabble in 100 preset accordion sets, switching between French musette and Russian bajan in the same song. Or perhaps you’ll investigate 162 orchestral sounds derived from Roland’s latest keyboards, transforming your accordion into an organ, string quartet, or bass guitar. You could add chorus, reverb, and rotary effects, or accompany your melody lines with the onboard drum sounds. And factoring in the fast, easy sound customization process plus additional sound libraries available from the official Roland website the FR-4x is a truly open-ended instrument with immense creative potential. 

The Digital Accordion That Honors Tradition

If you play a traditional accordion, you won’t want to compromise on the expressive feel and portable format. You don’t have to with the Roland FR-4x, which plays like a great acoustic accordion and travels light. The intuitive layout of 37 velocity-responsive keys and 120 left-hand buttons feels instantly familiar, while the pressure-sensing bellows circuitry lets you tailor the inertia to your preference. This new digital accordion might feature lots of onboard technology, but its light and compact design plus the option of powering from an AC adaptor or AA batteries make it a great choice for players on the move.

Flexible Outputs for a Variety of Music-Making Scenarios

Practice. Rehearsal. Studio. Stage. The Roland FR-4xb has the flexibility to support you wherever you’re making music. The headphones jack lets you practice at home without disturbing the neighbors, and when you’re on the go, a powerful onboard audio system with two speakers and a tweeter supplies big, full-range sound. Ambitious music makers can even connect with external MIDI devices like the Roland BK-7m Backing Module for controllable accompaniment. Gigging accordion players will appreciate that the FR-4xb is fully stage-ready, providing a direct connection to a venue’s PA system via the Line Out and sparing the headaches of trying to mic up a traditional accordion.

Jam with Your Favorite Songs, or Record Your Own

The USB memory port is your pathway to some of the Roland FR-4xb’s most useful features. By inserting a USB stick preloaded with your favorite songs or your band’s latest material, you can jam along with the music as it plays back and perfect your parts at your convenience. If you want to get creative, the FR-4xb also features a handy onboard recorder; simply record a new part, save it to a USB stick, and then transfer your creation to a computer and share it with the world. USB export also allows you to safely archive your customized sound settings.


  • 92 right-hand and 120 left-hand buttons
  • Compact and lightweight
  • Sound module and user interface from the flagship FR-8xb
  • Headphones and line outputs
  • 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
  • Onboard audio recorder
  • Fast response and high sensitivity from bellows pressure-sensing circuitry
  • Bellows Resistance Regulator to adjust bellows’ inertia
  • Powerful onboard amplification system (two speakers + one tweeter)
  • Character-type LCD screen
  • Four expansion slots for access to additional tone libraries (Balkan and Dallape expansions are pre-installed)
  • Dedicated FR-4x Editor software
  • USB connection and MIDI I/O



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Great customer service
I went to PMT to buy my son some drumming accessories for his birthday. The staff were friendly and helpful and the store has had a bit of a makeover so was a great open and inviting space.
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Great customer service
I went to PMT to buy my son some drumming accessories for his birthday. The staff were friendly and helpful and the store has had a bit of a makeover so was a great open and inviting space.
Read Reviews

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