Which Digital Piano Should You Buy? Yamaha CK88 vs Roland RD88
The Yamaha CK88 suits players who want graded hammer action, dedicated organ drawbars, MIDI in and out, Bluetooth, battery power and three-part layering, while the Roland RD88 suits players who want a simpler live layout that works from day one with a good pedal and adapter in the box.
Key points
- Both are light, simple stage pianos with speakers, live sets, 5-pin MIDI, USB audio and line/mic inputs.
- The Yamaha CK88 adds graded hammer action, organ drawbars, MIDI in, Bluetooth, battery power and three-part layering.
- The Roland RD88 comes with a good pedal and adapter and has a simpler live layout.
- The CK88 may arrive with no pedal or adapter, so check first and choose the half-damper FC3A pedal.
- Choose based on your real uses, not on hype.
What this review covers
In this explainer, Jason Zac of Nathaniel School of Music compares two popular portable stage pianos, the Yamaha CK88 and the Roland RD88. He owns and uses both, and he is not endorsed by either brand. It is written for students, church musicians, gigging players and home producers who want one instrument that plays well, sounds good on its own and also works as a MIDI controller.
What he rules out first
Grand and upright pianos are left out because of cost, transport, tuning and humidity care. Cheap wooden furniture-style digital pianos and Clavinova-type instruments are ruled out as heavy and no better sounding. Arranger workstations are skipped too: too many buttons, harder to set up and less fun for a pianist.
Why he owns both
One keyboard stays permanently wired into his studio for recording, and the other travels to gigs, shoots and Sunday church services. Because the two have such similar features, they can swap roles easily.
What both keyboards share
- Light and portable: roughly 28 to 29 lb, so one person can carry either.
- Simple to use: switch on and play pianos, electric pianos, clavs, organs, strings and more.
- Built-in speakers with their own EQ, including settings for a table or a stand.
- Line and mic inputs, so a singer and a guitarist can plug straight into the keyboard for a small gig.
- Live sets for calling up favourite patches with one button.
- 5-pin MIDI and USB, and both work as USB audio interfaces.
- Sturdy knobs and faders that can send MIDI control messages to your DAW.
Note that a music stand is not included with either.
Where the Yamaha CK88 wins
- Organ controls: dedicated drawbars, rotary (Leslie) speed, percussion using the second or third harmonic, and drive. He suggests care with the drawbar that adds a major third harmonic, as it can sound unpleasant over minor chords.
- Graded hammer action: lower keys feel heavier than upper keys, like a real piano.
- MIDI in and out; the RD88 has MIDI out only.
- Bluetooth audio for playing along with songs from your phone.
- Better pitch and mod wheels, which matters for synth players.
- Three parts can be layered or split, against two on the RD88.
- Battery power, adjustable line output levels, more assignable controls and a flat top for a book or mouse.
Where the Roland RD88 wins
- Ready out of the box: it comes with a good continuous pedal and a well-built adapter. His CK88 came with no pedal and no adapter.
- Live layout: the controls sit close to the hand, so it feels simpler on stage.
- Escapement gives a little recoil when playing softly, which some players like.
- Small table friendly: it is only about 10 inches deep, though tall, with nothing able to sit on top. The CK88 is lower but about 14 inches deep, making rear cables harder to reach on a desk.
The RD88 action feels harder across the whole keyboard, while the Yamaha lightens as you go up.
How to decide
- List your uses: home, church, gigs, studio or synth playing.
- If you need organ drawbars, proper pitch and mod wheels or three layered sounds, lean towards the CK88.
- If you want something simple that works from the first day, lean towards the RD88.
- If buying the CK88, check with the store about the adapter and pedal. Choose the half-damper FC3A rather than the FC4A switch pedal.
- Remember that simpler, cheaper models from trusted brands may be enough for your needs.
Questions about this lesson
Is the Yamaha CK88 or Roland RD88 better for organ sounds?
The Yamaha CK88 has dedicated organ controls with drawbars, rotary speaker speed, percussion and drive, so it is the stronger choice for organ players.
Does the Yamaha CK88 come with a sustain pedal?
In Jason Zac's experience it came with no pedal and no adapter. He recommends the Yamaha FC3A half-damper pedal rather than the FC4A switch pedal.
Can these digital pianos be used as MIDI controllers?
Yes. Both have 5-pin MIDI and USB and act as USB audio interfaces, and their knobs and faders can send control messages to a DAW. The CK88 has MIDI in and out, while the RD88 has MIDI out only.
Which has the better key action?
Both feel excellent. The CK88 uses graded hammer action that gets lighter in the upper keys, while the RD88 feels harder throughout and has escapement.
Practise it
- DAW MentorExplore REAPER lessons, scripts and guided help for recording and production.
- Piano classes at Nathaniel School of MusicLive online or in Bangalore, with a teacher.
- All free music apps40 practice tools for harmony, rhythm, ear training and more.
Related lessons
- How I Achieve My Ideal Piano Sound With Virtual Pianos (Keyscape vs Pianoteq)Jason Zac gets his piano sound by using any 88-key keyboard only as a MIDI input device, sending MIDI data by 5-pin DIN or USB to a computer or iPad that runs a virtual piano, either sample-based (like Keyscape or Kontakt libraries) or modelled (like Pianoteq).
- How to Choose the Correct Keyboard or Piano That Suits You BestTo choose the right keyboard, decide how many keys and what action you need, make sure it has touch response, then check polyphony, multi-timbrality, MIDI and computer connectivity before picking a portable keyboard, workstation, digital piano or MIDI controller.
- How to Set Up REAPER (DAW): Preferences, Project Settings, Audio Devices and MIDITo set up REAPER, install it with the SWS extension, choose your audio interface and enable your MIDI controller, set project and peak-file paths, turn on timestamped auto-backups, copy imported media into the project folder, and set the project to 48 kHz with 24-bit WAV recordings.
- 10 Instant Melody-Writing Strategies for Pianists and ProducersTo write a melody quickly, Jason Zac suggests starting from at least two chords, using chord tones and landing notes on strong beats, building rhythm first, displacing beats, using the pentatonic or a smaller subset scale, singing and transcribing, turning practice patterns into tunes, and borrowing ideas from favourite songs.