JX-08: Can I use the sequencer to play arpeggiator? October 08, 2026 04:24 Updated Follow No. The Roland JX-08 sequencer cannot play the arpeggio (arpeggiator). To play the arpeggio, use the [1]–[13] buttons in note mode, the K-25m Keyboard Unit (sold separately), or an external MIDI keyboard. Related articles JX-08: Why Does the Sequencer Produce No Sound When the Keyboard Does? JX-08: Are Tone (Patch) Edits Saved When I Save a Pattern? JX-08: Maximum Number of Controllers for Motion (MOTION) Recording per Pattern JX-08: Can I Record Only Knob and Slider Movements (MOTION) Without Notes? JD-08: Can I use the sequencer to play arpeggiator?