Yamaha P-121 BK


Stage Piano

  • Graded Hammer standard keyboard (GHS) with 73 keys
  • Pure CF Sound Engine with 24 tones
  • Max. polyphony: 192 voices
  • Dual, split and duo function
  • Two-track recording (one song)
  • 20 Rhythms - drums + bass
  • Intelligent acoustic control
  • 21 Demo songs
  • 50 Piano songs
  • Reverb/Chorus effect, damper resonance, stereo sustain samples, key-off samples, string resonance
  • Midi via USB for connection to computer, iOS or Android devices
  • Built-in metronome
  • Tempo/transpose and tuning adjustable
  • Built-in speakers: 2x 7 W output power
  • Line output stereo 6.3 mm jack (L/R)
  • 2x Headphone output 6.3 mm stereo
  • Sustain pedal input
  • Dimensions: 1114 x 295 x 166 mm
  • Weight: 10 kg
  • Colour: Black
  • Includes a power supply and a sustain pedal
  • Free app "Smart Pianist " for iPhone/iPad downloadable (additional connection cable required, not included)
available since October 2018
Item number 445564
sales unit 1 piece(s)
Number Of Keys 73
Hammer Action Keys Yes
Number of simultaneous Voices 192
Number Of Sounds 24
Effects Yes
Speaker Yes
Headphone Outputs 2
Sequencer No
Metronome Yes
Master keyboard function No
Pitch Bend No
Modulation Wheel No
Split Zones 1
Layer Function Yes
MIDI interface USB
Included Accessories Manual, Power Supply and Sustain Pedal
Weight 10,0 kg
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Long awaited arrival
Jim from Clare. 04.07.2019
This digital piano was long awaited on the market & I`m thrilled.
Very good piece of equipment with local/acoustic sound as good if not better than my old P120. The local sound has a broader depth as the speaker system seems to have been upgraded. (without even using the Bass Boost). However, the feel of the old P120 keyboard was somewhat better in that the weighted keys were a nicer & heavier touch. But how do you shave off approx. 8Kg and maintain original specification??
I love the physical size and associated weight...was tired of the full length 18.5Kg piano in tight spots & far away stages.
The P.A. sound Output (O/P) is the typical good quality from Yamaha.
O/P does not require D.I. box most of the time for P.A.
Love the protected Input (I/P) & O/P jacks and sockets-recessed.
I still hit the plastic edge sometimes looking for the low octave notes missing from the Bass...small compromise.
I`m using the Brilliant KS-120 stand but the new P-121 can slip off easy enough & has happened. I will have to add rubber boots to the underside.
The included pedal is a bit of a joke! Get another one. (dont have part number- sorry).
The SC-KB750 bag will be perfect whenever it arrives several months later!...so Im told by another customer.
Bit difficult to remember commands sequence to modify sounds. Suggest take a pic of instruction sheet on your phone.


My saviour
TomDD 31.03.2021
I’ve been playing for 3 years. Bought a good piano (Roland HP704) for my living room, but was struggling to find a good instrument for my bedroom and on the road (not giggs, vacations for example). I want to play every day, everywhere. I first looked at a lightweight keyboard and bought it (Roland GO), but there was an enormous gap between my weighted, graded and ivory finished keys and a plastic thing which was easy to carry but, for me, hard to play. Actually, I hated it :)
So after long consideration, I finally found an instrument which I hoped fulfilled my needs and wound bridge the gap. After a week I can say: it does! The absolute positive about this keyboard is the action. It feels much more like a high end keyboard. Of course, everything is plastic, but the feel of the keys is excellent. That comes with a price: the piano itself looks a bit bulky and is quite heavy. You can carry it around, but I don’t think I’ll get it on a train.
Since I’m mainly key action and piano focused, I didn’t look at all the features in depth. And to be honest, it is hard to access all the features intuitively. I would say this is the downside of this piano. If you need a user manual to operate it, it is not user friendly. A small screen to access all features would have been better. Having said that, the piano has enough features. All the basic interfaces and functions are present. There is even a pedal included, but it is really light and feels more like a switch. But it works and it’s kind that they have included one.

So, in short:

- GHS keyboard action is nice!
- sounds good
- portable, but...

- ...a bit bulky
- features need a manual
- pedal not the best


My First Digital Piano
SnapDrag 29.11.2020
I gotta say that it's a very good piano from the perspective of a beginner piano player myself.
The sound on the piano is very pleasing.
I would not recommend it to someone who wants to play lots of classical music though as it has 73 keys.
Also bear in mind that the piano itself is pretty tall so it wouldn't be on most anyone's desk.


Timjoris 21.04.2022
I bought this piano to have in my upstairs room to just practise scales etc and not disturb my wife. The keys feel ok for its price range compared to my Kawai CA99, although the black keys are on the heavier side compared to the white keys. The speakers are pretty basic. Not a great sound at all. Perhaps I had to look into more but couldn't find a way to turn off the reverb on the piano sound, which I find annoying. As I was looking for a stand alone piano with less than 88 keys due to limited space, I though this piano would be ideal. But because of the poor sound quality I had to link it to Logic which made me return it and settle for the Studiologic SL73. Less bulky, same sort of key action and cheaper if you have to use it through Logic etc anyway.


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