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Yamaha P45 B review (P71): Still worth your money?

Updated: Feb 21

In this review we will be taking an in depth look at the Yamaha P45B, known as Yamaha's entry level piano.

Released for the first time ever back in 2015, and still today keeps a good reputation after it's predecessor Yamaha p35.

If you ever played on the p35, you will surely feel some improvement on the P45B such as quality and sound.

This piano comes at a good price for someone that doesn't want to spend a fortune on a piano, but still wants to have an 88 key fully weighted hammer action piano.

That's why it has become very popular among rookies and intermediate players.

In this Yamaha P 45 B review, we make it clear that there is no difference between the Yamaha P71. The thing is that Yamaha P71 is exactly the same piano as P 45B, but the P71 is an Amazon exclusive offer.

Now when that is clear, let's dive right in to the review.


The Yamaha P45, also called Yamaha P45B, which the b stands for black. It's also the only color it can be found in (matte black). 
This may be frustrating for some people that want other colors to choose between. But unfortunately this is the only color range.

Comes in a very compact design, and very small made, but fits all the necessary keys you'll need to play it.

It won't be necessary with a piano stable to play on the Yamaha P45B.

You can just put it on the dinner table when you want to play, and then take it down when dinner is ready.

Tho, of course it's very nice to have the piano set up easily accessible with a stable. But, it won't be necessary.

Comes in a great size with 52.2 (1.33 m) inches wide, 11.6 inches (ca. 29 cm) deep and a height of 6 inches (ca. 15 cm). Also, kinda lightweight, only 25 pounds (ca. 11 kg) so you easily fit it in your piano bag and can bring it wherever you want.


As you may see on the picture above, this piano is very plastic. Perhaps not so surprising when taking a look at the price.

Tho, this doesn't mean that it is made in bad materials, it's actually very steady and robust compared to many other digital pianos in this price range.

Remember to use a piano bag if you're going to take it with you for a long trip. Safety first!


Yamaha has made the board on the P45B very clean as you can see.

They only included 2 buttons and one volume changer.

But, we will still be able to manage the whole piano with these 2 buttons.

Power on and power of kinda says itself, then we have the function button, it will mainly be used to change the sound that you are playing in. Just hold in ''function'' and then the key below the text where it says what sound it is.

Luckily they have written out the keys so you can easily change sound, and you will not have to check in the manual on which key does this and that.

Unfortunately there is no audio or visual that confirms that the button you pressed has come to action.

But anyway, I think this is a very good function. The board looks very professional and clean, and you won't have to learn what 100 buttons does, instead just 2.

Many other pianos also use this function. For example the Casio privia PX870. Tho with an audio confirmation.


Comes with 88 keys made in plastic, very common with plastic keys in this price range. If you want woody keys, then you'll have to go up in price.

But, these are very well-built keys with a shiny look, and will for sure provide your needs.


As said before, this is an entry level piano. So maybe you don't have big expectations on the Key action.

But the key action is actually very important, if not the most important aspect to have in mind when you search around for a good suitable digital piano.

Luckily, they have really succeeded with the key action in this Yamaha piano. The Yamaha P 45B is implemented with the GHS-Technology, which stands for Graded Hammer Standard.

Also, it actually tends to be a bit quieter than other piano actions, for example the hammer action TRI sensor action.

If you are a beginner, and you want to teach yourself piano, the GHS action could be really good for you.

If you want to get a good feeling of playing on a real piano, as a beginner, the GHS will surely provide that.

These keys are weighted with a real hammer in the mechanism, which means that the lower keys will feel heavier than the higher keys that will feel lighter.

An authentic piano feeling for only a couple of hundred dollars.

Summarized, well suited for the beginner pianist and delivers the graded, weighted touch that your piano teacher recommends for building proper technique for playing on acoustic pianos.


Another aspect that is important to look after is the harder you press a key, the louder sound it will provide.

Many pianos do or don't have this feature. Luckily the Yamaha P45B has it.

You can also change the sensitivity in 4 different levels. Light, medium, hard and off. You can now customize your playing after the strength in your fingers.

Many beginners start with the light mode, as later go up in level to hard mode. Of course there is no problem to start with hard mode and learn everything there from.


All piano manufacturers have their own different sampling systems, which mean how they create the realism of an acoustic piano using today's technology.

And in the Yamaha P 45B, and many other Yamaha pianos they are using AWM sampling technology (Advanced Wave Memory).

By playing the keys on an acoustic piano, the waveform of the sound changes depending on the playing power from a weak tone to a strong tone.

The AWM dynamic stereo sampling can provide dynamic nuances by recording the samples with different game intensities.


The Yamaha P45B comes in a basic shape of songs.

Grand piano x2

Electric pianos x2

Pipe organs x2

Harpsichords x2



These 10 sounds are the most common piano sounds included in an entry level digital piano, and will for sure be enough for almost every piano player.

See the link below to watch a short video about the Yamaha P45B.



The speakers provided in the P45 are decent, 6Wx6W amp.

Pretty small speakers, but definitely produces good enough sound for you to play at home.

If playing on stage, you may consider something else. They won't provide that powerful sound you need when you are performing on stage.

But if you want a more isolated sound, I would recommend using headphones.


The polyphony can vary a lot from different pianos.

In this Yamaha P45B it comes with 64 polyphony.

That's a double up from the previous model (p35) which only had 32.

Either 32 or 64 polyphony is much, in the more expensive digital pianos you will find usually 132 and 256. But as an entry level piano, 64 polyphony will be enough.


Yamaha included 4 different reverb modes. Room, hall 1, hall 2 and stage.

The room and hall 1 reverb mode are the dry ones. Not that much reverb, but if you want more reverb you can just play in the hall 2 and stage mode.

That will for sure give you a bigger sound.

What does the reverb actually do?

When a sound hits a hard area, it reflects back to the listener, and the listener will hear a big echo (briefly).

Many times we use what's called a sustain pedal, we use it to get a good amount of reverb and get a better piano experience. Tho, the reverb in sustain pedals overact natural reverberation.


The P45B has basic features that will surely provide the needs for a beginner player and intermediate.


In dual mode, you will have the ability to layer 2 different sounds together. When you do that, the 2 different sounds will sound simultaneously.

For example, you can play the grand piano at the same time with the vibraphone. With this technology you can find a new sound that suits you.

You will also be able to adjust volume on each sound, so one does not have to overrule the other.

In the duo mode you will be able to split the piano into 2 different sections. This makes it easy if you want to play with someone at the same time, just split the piano up in two pieces and play whatever you want.

Could of course be very useful to use with your piano teacher, if you have one.


Luckily, they have built in a metronome in the P45.

This makes it much easier for you to practice and envelope real piano skills.

It's very important to get a good sense of rhythm when you teach yourself piano.

You can adjust the time signature, tempo and volume for what suits you the best.


Unfortunately there is no Midi recorder or audio recorder, so you can't record your own performance and play it back on this digital piano.

But there is still a MIDI connection, which means that you can connect your music program, and record into the program and save it there.


In this piano from Amazon you will have a sustain pedal, power adapt and music rest included.

Unfortunately no piano stand, which maybe either won't be that necessary because you can just easily put it on a table and play.



+ Affordable.

+ Good sound with the GHS sampling system.

+ Lightweight and portable.

+ Easy to understand, not many buttons to memorize.

+ Built in a good quality for the price.


- No playback.

- Speakers could be louder.

Who is this piano for?

This digital piano is mostly made for beginners, Maybe not so surprising if you read the whole review.

Anyway, the P45B comes in a basic shape with basic features that someone who plays a lot and on a higher level isn't enough for.

It has the key action required to build fundamental piano skills. So if you are an intermediate player or above, this piano might not suit your needs.

Also, if you want to have an on the go piano at an affordable price, this digital piano can surely suit you. Lightweight in a compact size with all the 88 keys required.

I personally would not buy it, because it won't suit my playing. But as a beginner, as said before, it will be a great starting out piano.



If you want more pianos to choose between in the same price range and the same amount of keys, I would recommend you reading our TOP 10 CASIO PIANOS.

Everything from 61 to 88 keys pianos so it suits everybody. Unfortunately, no Yamaha pianos are in the Casio top list. But for sure you can find something that suits you.

Or do you maybe consider starting out with a 61 key piano? Or maybe buy a starting piano for your children, then take a look at our Best 61 key keyboard top list review.

Do you want to teach yourself piano? Then I would highly recommend you taking a look at our flowkey review. We took an in-depth look in the popular piano learning app/program and covered the most important aspects for you. Check it out!

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