Digital Pianos & Internal Speaker Systems | REPORT 2023 | Learn!

Digital Piano Internal Speaker Systems - UPDATED REPORT - Nov 1, 2023 | What you need to know before you buy any digital piano! | The top name digital pianos including Casio, Yamaha, Korg, Kawai, and Roland 

Digital Piano Internal speaker systems 2023


INTRODUCTION


Yamaha CLP-795GP speakers
Digital Pianos are very popular these days and there are many to choose from in a variety of brands. Each model has its own specifications and they can vary from one digital piano to another. You might see various descriptive words in their specifications such as number of keys, key action type, weighted keys, unweighted keys, touch sensitivity, pedals, functions, display, polyphony, voices, tone generation, reverb, layer, spilt, songs, recording, playback, transpose, storage, MIDI, USB, Bluetooth, connectivity, and many other specs in the various digital pianos.

Piano speaker
But a very important specification that many shoppers tend to overlook is the internal speaker system. Namely, speaker size, amount of speakers, quality of speakers, placement of internal speakers, do they have passive bass speaker ports, good amplification power, and how many amplifiers are in that digital piano vs how many speakers?

In other words, based on our experience with all of the digital pianos out there, without a great internal internal speaker system inside the piano, the "piano sound engine" (instrument sounds) and the rest of the sound functions and features just will not sound good.

PORTABLE "STAGE" DIGITAL PIANOS


Kawai MP11SE stage piano
There are some digital pianos that are called portable "stage" digital pianos. They are mostly used by musicians or other players who want a portable instrument without internal speakers because they are either playing music on stage at some venue which has their own external speaker system and external monitors or that musician only wants to use external speakers for some other reason such as having a sound guy at an external mixing board running sound remotely so that he can adjust volumes, etc for the audience to hear it good... like in a big stadium, concert hall, church, or other large venues. 

Korg Krome stage digital piano
Having a "stage" digital piano does not necessarily make that piano better than other digital pianos which have internal speakers, but a stage type digital piano may have certain functions or features on it that could be more appealing to that particular player or pro musician that digital pianos with internal speaker systems do not have. 

The person playing that stage type digital piano will also need to hear it up close near the piano, so they would also need stage monitors putting out the sound next to them so they can hear it better. For most people portable playing digital pianos recreationally who do not play regularly in big venues, stage digital pianos are generally not necessary and a regular portable digital piano with an internal speaker system is the way to go. 

recording studio digital piano
An exception to that is if you have a home or pro recording studio and you want many "pro" features, functions, and sounds in the digital piano for recording purposes that a regular portable digital piano may not have. 

Also, in a home or pro recording studio you will likely already have external monitors (2 good monitors can easily cost $700 on up) that would take care of all the sound in that studio including coming from that digital piano/keyboard. At that point a pro quality "stage" digital piano could be the best option for you and then the importance for a good internal speaker system in a digital piano would be irrelevant.

PORTABLE "SELF CONTAINED" DIGITAL PIANOS


portable self contained digital piano
The more popular portable digital pianos have an internal speaker system, unlike the portable the stage digital pianos that have no internal speakers.  When a portable digital piano has an internal speaker system then they are referred to as being "self-contained." These portable "self-contained" digital pianos are more practical in my opinion because you can hear it through its own speaker system rather than always connecting to an external sound system. 

These portable digital pianos with internal speaker systems are very popular for a variety of reason including portability, being able to fit into smaller spaces, and
Kawai ES520 portable digital piano
sometimes giving you a "bigger bang for the buck" as compared to furniture cabinet digital piano in the same price range. 

Since we are focusing on internal speaker systems in this report, these portable digital piano can actually sound great and much better than you might expect for the smaller sizes they have. Also, portable digital pianos usually can come with an optional furniture type stand and triple pedal bar at an additional cost.

Internal portable speaker systems usually have either 2 speakers, 4 speakers, 2 amplifiers, or 4 amplifiers and can have low power amps below 10 watts total power going all the way up to a big 60 watts of power depending on the price range of that piano. With that in mind you really have to be careful when purchasing a portable digital piano and be sure you are getting a good internal speaker system that will produce great sound without sounding tinny, artificial, and toy-like. 

HOME CABINET DIGITAL PIANOS


Casio AP470 furniture cabinet digital piano
But for home use in a cabinet digital piano, generally speaking, the furniture cabinet digital piano you would want to purchase should have its own internal speaker system that is powerful enough and has enough quality to provide you with a very full and resonant piano sound, without getting distortion. That internal speaker system needs to be good for your playing skills and musical goals as well as for the room you are putting it in. It is important to have good, resonant piano sound and that's why it is important to look at the digital piano specification when it comes to its speakers and amplifiers. It doesn't matter what size or the cost of  the digital piano you want to get. Make sure the sound is going to be heard in a way that you will not regret. 

Kawai KDP120 digital home piano
If the speaker system is underpowered then the piano and other instruments and features in it could sound somewhat anemic and artificial when you play your music. Also the piano may not have enough power and/or presence to fill up the room that you are playing in as well as maybe not having good bass response. Watching demo videos on-line of digital pianos will not let you hear the true sound coming through the speakers because of the way those recordings are done. 

The only real way to know if a digital piano will sound good, sound, full, provide good bass response, and not sound tinny or artificial in your room is to see and play those pianos in person or to ask us! We can tell you because we have played all these pianos in various room sizes. 

WHAT DO YOU REALLY NEED?


Digital piano speaker
Therefore, it's important to know what speaker system is in the digital piano you are looking at and how much do you really want and need in terms of speaker quality, size, and power. Overall it can be a somewhat confusing subject. Regardless, normally the more you pay for a digital piano the better the internal speaker system gets. 

This is true not only for the number of speakers in that model but also for the size and quality of those speakers, the way the speakers are mounted into the cabinet, and the amount, quality, and power of the amplifiers that are driving those speakers. 

Speaker
As an example, in the new low end Yamaha Arius model called the YDP-105 which sells for $1100, it has just 2 amplifiers with a total of 12 watts of power going through 
2 speakers measuring 4.7" each. For $1100 that speaker system is much too small in my opinion.  Yamaha could have done much better, especially for that higher price. 

However, in the Yamaha Clavinova CLP-745 digital piano, which sells for $3700, that model has 4 amplifiers with a total of 200 watts going through 4 speakers. Two of those speakers in the CLP-745 measure 6.2" each to help carry the bass frequencies, and the other 2
Yamaha CLP745 speaker
speakers measuring 3.1" each help carry the higher end treble frequencies. The speakers and amps are also higher quality and they have much better internal placement in the Clavinova CLP-745.

When you have more and better speakers and more and better amplification in a digital piano, along with better speaker placement in that model, it is going to sound more like a real piano. Also, that upgraded sound system will likely improve the frequency response and dynamics of the piano sound and you'll also likely get a lot more bass response, which is a good thing.

 CHOOSING INTERNAL SPEAKER SYSTEMS


Digital piano speaker system
So with all that being said, here's my rule of thumb for a better sound experience in a digital piano. In a portable digital piano, make sure it has at least 16 watts of power going through a minimum of  two 4" speakers coming out near and/or on the top of the piano pointing towards you.

In a furniture cabinet digital piano make sure you have at least a minimum total of 40 watts of amplification power going through at least two 4.7" speakers, and if possible, two smaller tweeter speakers to help carry the high end frequencies better. Some portable digital pianos I have played have 40 watts or more power in them, so they are very powerful and sound great with good bass response.

 CHOOSING AMPLIFIER POWER


Digital piano power amp board
The thing that more amplifier power (wattage) does in a digital piano, especially in a furniture cabinet digital piano, is allow that piano to project its piano sound further with better tone and clarity and generally much better bass response as well. Furniture cabinet digital pianos that have just 12 or 16 watts of power are underpowered in my opinion and I have played those digital pianos and personally experienced them, and generally don't like them. 

They typically sound anemic with low power and you have to turn up the master volume to maximum to get a better sound out of them, but then you can typically will get some distortion and they don't sound full or resonant most of the time. 

power amp board
The more speakers, amplifiers, and power in a digital piano, generally the better off you will be. There are some caveats to that equation, however. Let's say a digital piano has slightly lower amplifier wattage power as compared to another digital piano in the same price range. But maybe that piano has more speakers and also better speakers in it. 

If the amplifier wattage difference between the 2 models is not that much, then the extra speakers and quality of the speakers and amps inside could make up for and surpass the slightly less amp wattage power. But it also depends on how big of an area in your home or venue you are trying to cover. You may not need that much power or bigger speaker size, but it can't hurt to have it, just in case. So just keep that in mind when making a decision on how many speakers in the piano that you'll want, how many power amps will be necessary, and how much overall power will work best for your situation. 

SPEAKER POSITION & SOUND DIRECTION


Furniture cabinet piano sound
Also, the direction in which the internal speakers are pointing can have a lot to do with how you hear the sound and the impact those directional speakers will have on your piano playing experience. If the speakers are under the piano pointing down to the floor, then that would not be as good as the speakers pointing up along with speakers pointing towards you. A perfect example of 4 speakers with each pair pointing in different directions along with 4 separate amplifiers powering each speaker would be the Korg G1 Air at $1999. 

Korg G1 Air front speaker system box
This Korg model has an internal speaker system at $1999 that surpasses many digital pianos up to about $3500. So when it comes to "price" in a digital piano, it's still a relative thing when it has to do with the internal speaker system. A higher price in a digital piano does not always equate to a better internal speaker system over a lower price digital piano, although in many cases it does. You'll just need to contact us when you are doing your "shopping" so that you make the right decision.

If the speakers in a digital piano are pointing upwards towards your ears or if there are 4 speakers in the piano (perhaps they are different sizes to handle different frequencies) with 2 pointing towards you and 2 pointing upward or even downward in that case, then that will make the sound dispersion more omni-directional which can be a very good thing. 

So there's a lot that goes into the internal speaker system including the quality of the components themselves and the impact it can have on what you hear when playing the digital piano.

DIGITAL PIANO SPEAKER SYSTEM CHART


Kawai ES920 internal speaker system
Below is chart of nearly all the top current 88-key digital pianos under $8000 that have internal speaker systems. I picked the price range under $8000 because that will cover most models out there from the top brands. There are a few other models above $8000 so if you want that info then please contact us. The prices listed for the upright or portable style digital pianos are in the matte finishes, although some of them are available in polished ebony and polished white finishes for more money. 

The baby grand style models by default come in the polished ebony finish. I am leaving out the secondary brands (Williams, Suzuki, Artesia, Donner, etc) that have relatively poor key actions, poor playability, and overall a noticeably more artificial piano playing experience as compared to these top 5 brands below.

2023 

Models
Piano

 Price
 
Total

 Speakers
Speaker 

Size
Total 

 Amplifiers
Total Amp Power

Yamaha

P45

 $550

        

 2

4.7"x 2 

12 watts 

Yamaha  

 P125

 $700

4.7"x 2

1.5"x 2 

14 watts 

Yamaha

P515

 $1600

4.7"x 2

1"x 2 

40 watts 

Yamaha 

 DGX670

 $850

4

4.7"x 2

2"x 2

12 watts 

Yamaha

 YDP105

 $1100

4.7"x 2 

12 watts 

Yamaha

YDPS35

 $1200

4.7"x 2 

16 watts

Yamaha

 YDP145

$1300

4.7"x 2 

16 watts 

Yamaha

YDPS55

$1600 

 2

4.7"x 2 

40 watts 

Yamaha

YDP165

$1800

4.7"x 2 

40 watts 

Yamaha

YDP184

 $2400

6.3"x 2 

60 watts 

Yamaha

 CLP725

 $2000

4.7"x 2 

40 watts 

Yamaha

 CLP735

 $2900 

6.3"x 2 

60 watts 

Yamaha

CLP745

 $3700

6.3"x 2 

3.1"x 2

200 watts 

Yamaha

 CLP-775

$5000

6.3"x 2

3.1"x 2

2"x 2

 Transducer

284 watts

Yamaha

 CLP785

$6200

6.3"x 2

3.1"x 2

1"x 2

transducers x 2

Spruce Cone Spkr 

300 watts 

Yamaha 

CLP765GP

$5900 

6.3"x 2

2"x 2 

184 watts

Yamaha

 CLP795GP

$8200

6.3"x 2

3.1"x 2

1"x 2

transducers x 2

Spruce Cone Spkr 

300 watts 

Yamaha

 CSP150

$3799

6.3"x 2 

60 watts 

Yamaha

 CSP170

$5149 

6.3"x 2

3.1"x 2 

180 watts 

  

Price

Speaker quantity

Speaker sizes

Amplifier quantity

Amp power 

Roland

 FP30X

 $750

4.7"x 2

 

22 watts 

Roland 

 FP60X

 $1250

4.7"x 2 

spkr box

 26 watts

Roland

 FP90X

 $2000 

4.7"x 2

1"x 2 w/spkr box 

60 watts

Roland

 F107

$1100 

4.7"x 2 

 16 watts

Roland

 RP107

$1200 

4.7"x 2 

16 watts 

Roland

 F701

 $1600

4.7"x 2 

24 watts 

Roland

 RP701

$1750 

4.7"x 2 

24 watts 

Roland

 HP702

$2800 

4.7"x 2 

28 watts 

Roland

 HP704

$3750 

4.7"x 2

1"x 2

2"x 2

60 watts 

Roland

 LX705

$4400 

4.7"x 2

1"x 2

w/spkr box

1"x 2 dome

60 watts 

Roland

 LX706

$5400 

9.8"x 2

w/spkr box

12"x 2

w/spkr box

1"x 2 

74 watts 

Roland

 LX708

$7600 

9.8"x 2

w/spkr box

4.7"x 2

w/spkr box

4.7"x 2

1"x 2 

74 watts 

Roland

 GP6

$6299 

10" x 1

w/spkr box

4.7"x 2

2"x 2

100 watts total 

 

Price 

Speaker quantity 

Speaker sizes 

Amplifier quantity 

Amp Power 

Casio

CDPS160

$529 

4.7"x 2 

16 watts 

Casio

 CDPS360

$599 

5.1"x 2 

16 watts 

Casio

PXS1100

$699 

6.3"x 2 

Oval

16 watts 

Casio

PXS3100

$879 

6.3"x 2 

Oval

16 watts 

Casio

PXS5000

$1200 

6.3"x 2 

16 watts 

Casio

PX-S6000

$1800 

6.3"x 4 

spatial sound

 32 watts

Casio

PXS7000

$2500

 

6.3"x 4 

spatial sound

32 watts 

Casio

PX770

$899 

4.7"x 2 

16 watts 

Casio

PX870

$1199 

 4.7"x 2

1.5"x 2

40 watts 

Casio

AP-270

$1199 

4.7"x 2 

16 watts 

Casio

 AP470

$1699 

4.7"x 2

1.5"x 2 

40 watts 

Casio

AP710

$2799 

4.7"x 4

2"x 2 

60 watts 

Casio

GP310

$4299 

6

 6.3"x 2

4"x 2

2"x 2

100 watts 

Casio

GP510

$6299 

 6.3"x 2

4"x 2

2"x 2

100 watts 

 

Price 

Speaker quantity 

Speaker sizes 

Amplifier quantity 

Amp power 

Kawai

ES120

$949 

4.7"x 2 

20 watts 

Kawai 

KDP75

$999 

4.7"x 2 

18 watts 

Kawai

KDP120

$1499 

4.7"x 2 

40 watts 

Kawai 

ES520

$1399 

4.7"x 2

w/bass port 

 40 watts

Kawai

ES920

$1899 

4.7"x 2

w/bass ports 

40 watts 

Kawai

CN201

$2299 

4.7"x 2 

40 watts 

Kawai 

CN301

$3099 

 5.1"x 2

4.7"x 2

40 watts 

Kawai 

CA401

$3099 

5.1"x 2

2"x 2 

40 watts 

Kawai 

CA501

$3999 

 5.1"x 2

4.7"x 2

2

100 watts 

Kawai 

CA701

$4899 

5.1"x 2

4.7"x 2

2"x 2 

110 watts 

Kawai 

CA901

$6399 

6  

+ wood 

soundboard 

4.7"x 2

3.1"x 2

2"x 2 

3  

135 watts 

 Kawai

DG30

$6099 

 5.1"x 2

4"x 2

 40 watts


Price 

Speaker quantity 

Speaker sizes 

Amplifier quantity 

Amp power 

Korg

B2

$599 

5"x 2

w/spkr box 

30 watts 

Korg

SP-280

$1000 

6.3"x 2 

44 watts 

Korg 

LP180

$750 

6.3"x 2 

22 watts

Korg 

XE20 

$849 

5"x 2

w/spkr box 

36 watts 

Korg

 LP380U

$1349 

4"x 2 

in spkr box

44 watts 

Korg

C1

$1599 

4"x 2

in spkr box 

50 watts 

Korg  

G1 Air 

 $1999

4.7"x 2

in spkr box

1"x 2 

80 watts 

Korg

 SV288SP

$2450    

1"x 2

3"x 2 passive radiator 

30 watts 

   
If you want more info on new digital pianos and LOWER PRICES than internet discounts or Amazon, please email me at tim@azpianowholesale.com or call direct at 602-571-1864.

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