Yamaha P121 Vs Yamaha P115

Yamaha is famous for their digital musical instruments, especially the digital piano. The company has plenty to offer; some are similar, like the Yamaha P121 Vs Yamaha P115. Both pianos use the same key action and sound engine, producing the same impressive sound quality and offering all essential features. However, they are also different, so today, we will see what the pianos can offer and which fits you best.

In this comparison, we will talk about the following:

  • What are the Yamaha P121 and Yamaha P115?
  • How is the Design of Yamaha P121 and Yamaha P115?
  • How is the Key Action in Yamaha P121 and Yamaha P115?
  • How is the Sound Engine in Yamaha P121 and Yamaha P115?
  • What are the Features of Yamaha P121 and Yamaha P115?
  • Yamaha P121 Vs Yamaha P115
  • Which Yamaha Digital Piano to Buy?
Yamaha P121Yamaha P115
Product Dimensions43.86 x 11.61 x 6.54 inches 58.2 x 16.1 x 11.8 inches
Shipping Weight32.2 pounds 37.5 pounds
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About the Yamaha P121 and Yamaha P115

Yamaha digital pianos are known to be affordable and reliable. This company also has lots of models to choose from, ranging from entry-level keyboards to stage pianos and synthesizers for professional musicians. Yamaha also continuously improves their products to offer better performance and features, so you may often find models that have been discontinued or replaced with newer ones. The best digital piano for you is the one that meets the budget and application because not everyone wants the same choice or has the same plan. Read also: Yamaha P121 Vs Korg B2.

For those looking for a good beginner or intermediate digital piano, the Yamaha P121 and Yamaha P115 are two exciting options at a similar price range. If you have heard of the P125, these two are closely related to the more popular model. The P121 is a compact variant of the P125, while the P115 is the lower model of the same piano. Thus, you can see many similarities between the three. But, the most notable difference between these pianos is the number of keys because P121 is a 73-key setup, meaning the keyboard is also narrower.

The P115 is a lower model than the P121 as it preceded the two, but it has some features that you can see on the higher options, such as the same key action and sound engine. The number of voices and song presets make the P121 and P125 better; the features, design, and build quality are similar to the Yamaha mid-range portable pianos.

Yamaha P121 and Yamaha P115 Design

One of the notable differences between the Yamaha P121 and Yamaha P115 is the design or form factor because the P121 is more compact at 43.8 inches compared to the P115 at 52 inches; the height and depth are almost identical. The other difference is the control panel because the P121 has more voices. There is no built-in display on these pianos, but they don’t have an extensive collection and features that require such features, and all functions are accessible through these buttons.

Yamaha P121 and Yamaha P115 Key Action

If you have played an entry-level Yamaha digital piano or even keyboards, chances are you have played the GHS key action. This key action is everywhere in Yamaha’s collection, especially on the budget piano and keyboards. The keys are weighted to emulate hammer movement on an acoustic piano and give you a similar experience. Many people like this key action because it is light and easy to play, but some people who are used to acoustic piano keys may think they are less authentic.

Yamaha GHS is touch-sensitive key action with a matte black key surface and is adjustable within a few different settings. The highest settings give you the widest dynamic range but are more challenging to play, especially for beginners. The only difference in the key section between Yamaha P115 is the amount you get because P121 only has 73 keys or six and a half octaves, while P115 has 88 keys and seven octaves.

Yamaha P121 and Yamaha P115 Sound Engine

The next part we want to see is the sound engine, which also affects the playing experience. Yamaha uses the Pure CF sound engine on these pianos, but it is a bit different because you get more voices on the P121 or 25 sounds, while there are only 14 voices on the P115. The P121 and P125 are improved with new sounds; some are additional variations to the acoustic and electric pianos. The P115 also lacks one variation from the bass, string, and vibraphone section.

On the effects, you only get four types of reverb, and for the sound system, we only see a pair of speakers facing upward that is powered by two 7-watt amps. These speakers should be enough for home use, but you may want to hook them to external amplification, especially if you play with other instruments.

Yamaha P121 and Yamaha P115 Features

Lastly, the Yamaha P121 and Yamaha P115 are identical in the features part. Both pianos have built-in songs, but the P121 has more, with 21 demo songs and 50 piano songs, while the P115 has 14 demos and 50 piano songs. These pianos also have Dual, Duo, and Split modes. Dual or layer mode is a function to layer two voices from different instruments so you can play them together across the keyboard. Duo mode splits the keyboard into two equal parts so two people can play together simultaneously. Read also: Yamaha P121 Vs Roland FP 10.

The Split mode is similar to Duo mode, but now you can assign different voices for the left and right parts; one usually plays the bass voice, so only pianos with a bass sound have this feature. You can also record one song with two tracks on these pianos. There is no Bluetooth on either model, but you have a USB to Host port to connect the instrument to an external device.

Yamaha P121 Vs Yamaha P115

The Yamaha P121 and Yamaha P115 are very similar as they are closely related. However, there are some differences that you may want to know before deciding the options. First, the P121 only has 73 keys versus P115 with 88 keys. Second, the P121 has 25 voices, while the P115 only has 14. Third, the P121 has more built-in songs than the P115. All features are identical, including the speakers and connectivity options, but the P121 is more compact if you will often transport it.

- A lighter and more portable version of the Yamaha P125
- A fully weighted digital piano with 73 full-sized piano-style keys
- GHS weighted action is heavier in the low keys and lighter in the high keys, just like an acoustic piano
- The pure CF sound engine faithfully reproduces the tone of the acclaimed Yamaha 9' CFIIIS Concert Grand piano
- GHS weighted 88 key action is heavier in the low end and lighter in the high end, just like an acoustic piano
- Amplifiers 7 W x 2.The Pure CF Sound Engine faithfully reproduces the tone of a meticulously sampled Yamaha's acclaimed 9 feet CFIIIS concert grand piano
- Pianist Styles turn your simple chords into exciting accompaniment. Play a chord and the Pianist Style gives you a full piano accompaniment
- The Controller App for iOS devices adds a rich, graphic user interface allowing for quick and easy navigation and configuration


The decision is yours because Yamaha P121 and Yamaha P115 are equally good options, depending on your preferences. We recommend the P115 if you want a full-size piano with 88 keys or something more affordable. On the other hand, the P121 is the more compact variant for traveling musicians or if you want more from the piano, especially the additional voices which are the upgrades of the P115.