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Yamaha P-155B Contemporary Digital Piano

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The Yamaha P-155 digital piano offers professional quality sound with Yamaha's legendary piano touch. Whether you're practicing at home or away, performing solo or in a band you'll have top-shelf Yama... Click To Read More About This Product

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The Yamaha P-155 digital piano offers professional quality sound with Yamaha's legendary piano touch. Whether you're practicing at home or away, performing solo or in a band you'll have top-shelf Yamaha digital piano technologies at your fingertips. This Yamaha digital piano has advanced sampling functions and the ultra-expressive Graded Hammer (GH) keyboard. Now you don't have to choose between portability and piano quality. The P-155B version has a black finish and ebony top board

Hand-crafted Pianos, High-quality Voices
To ensure the finest grand piano sound for the P-155, Yamaha went straight to the source: Yamaha's finest 9-foot concert grand, a handpicked CFIIIS. Next, a master piano technician painstakingly tuned and regulated the CFIIIS to sonic perfection. Then Yamaha applied their Pure CF Sampling technology to accurately capture every aspect of the CFIIIS sound, keeping post-processing to an absolute minimum to maintain sonic integrity throughout. The result is a truly authentic grand piano sound with powerful, dynamic bass, warm mid-range, and crystal-clear highs.

Layer upon Layer
Yamaha's Dynamic Stereo Sampling (DSS) technology employs 4-level piano samples to enhance expression. Depending on how hard you strike a note, you will hear one of four piano recordings on each and every key for an unprecedented level of dynamic range and tonal expression. Playing softly doesn't simply lower the volume; it produces the quiet recordings of piano notes. And likewise, playing more forcefully triggers separate samples at different levels.

Ascension to Detail
If you close your eyes while playing a grand piano, you'll find its sound is a bit more complicated than note-on, note-off. Yamaha has gone to great lengths to capture these sonic artifacts in the P-155. Their meticulous efforts include recording a felt damper coming to rest on a vibrating string when a note is released (Key Off Samples), or reproducing the sound of the open strings that wash over your performance when using the damper pedal (Stereo Sustain Samples and Damper Resonance).

A Touch Above
When you look inside a grand piano you'll see different-sized strings, which require different-sized hammers with require different weights. The keyboard of the P-155 uses Yamaha's GH (Graded Hammer) technology to reproduce the true feel of a grand piano keyboard action, with heavier touch in the lower keys, lighter touch in the higher keys, and subtle gradations of weight and response throughout. Thanks to the input of concert-level, professional pianists during its development, the GH keyboard features superb balance and remarkable consistency. Performing or practicing on a GH keyboard properly develops and maintains an artist's technique for making the transition between P-155 and an acoustic grand.

Perfection Made Practical
As a full-featured digital piano, the P-155 gives you all you need for practice, playing, and performance. It has an internal high-power, two-channel (12W + 12W) amplifier with high-performance speakers built in. This lets you and your audience hear the authentic sounds in their full glory. Is your audience on another continent? Share your musical ideas and masterpieces easily with others by recording your performance to any attached USB storage device (not included). Songs are stored as Standard MIDI Files (SMF) and can be emailed to and played back on any Mac or PC.


  • Black finish with ebony top-board
  • Keyboard: 88 keys, Graded Hammer (GH)
  • Tone generation: 4-level AWM Dynamic Stereo Sampling
  • Pure CF sampling
  • Key-Off sampling/stereo sustain sampling
  • Damper resonance
  • Polyphony (Max.): 128
  • Voices: 17
  • Reverb: 4 types
  • Brilliance: 3 types
  • Effect: 4 types
  • Dual and Split
  • Metronome
  • Tuning/Transpose
  • Scale Tuning Types: 7
  • Song Recording: 2-track recording/playback, 3 user songs
  • Preset Songs: 7 Demo Songs, 50 Piano Preset Songs
  • Jacks & connectors: MIDI IN/OUT
  • Headphones: 2 (stereo 1/4" jack)
  • Pedals: Sustain Pedal, AUX Pedal
  • AUX OUT (Variable): L/L+R, R (1/4" jack)
  • USB-to-Device song data storage
  • Includes:
  • Sustain Pedal (FC4 Foot Switch)
  • Music rest
  • Owner's Manual
  • Quick Operation Guide
  • AC Power Adaptor (PA-301)
  • Amplifiers: 12W x 2
  • Speakers (12 x 6) cm x 2
  • Dimensions (WxDxH): 52-1/2" x 16-13/16" x 5-1/2"
  • Weight: 18.6kg (41lb.)
Pro Coverage
  • Customer Reviews

Review Snapshot

by PowerReviews
YamahaP-155B Contemporary Digital Piano

(based on 5 reviews)

Ratings Distribution

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Reviewed by 5 customers

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(16 of 16 customers found this review helpful)



By Lie Adi Darmawan

from West Jordan, UT

Comments about Yamaha P-155B Contemporary Digital Piano:

Oh my goodness, I love this piano!!! I had been researching and contemplating a lot to get a portable digital piano with nice hammer action for a home use. And this P155 just fits the bill. I love the "Piano 1" sound (with Bright setting), especially when you use the headphones�ۡ����it really sounds like the real deal (they claim they sampled the 9 ft. Yamaha CFIIIS Concert Grand in 4 dynamic layers for this piano). The price is pretty nice too�ۡ����for something that has this good of a hammer action (close to the real acoustic piano), this is a very reasonable price! Of the 3 color options, I love the black ones so much! It just looks simple, elegant, and professional! It looks good in my bedroom. If you're looking for a very nice home digital piano (built-in speakers) with emphasis on good hammer actions (close to acoustic piano) + reasonable price + nice piano sound quality, this is a good choice! (PS: I tried to compare it with CP33, but the Guitar Center here didn't have any more left on set to be tried....)

(5 of 5 customers found this review helpful)


Yamaha P-155B - Amazing!

By James McLendon

from Killeen, Texas

Comments about Yamaha P-155B Contemporary Digital Piano:

I have been a church musician and public school music teacher for over 40 years. I have played a lot of pianos, digital and acoustic, and am absolutely amazed at this keyboard. The graded hammer action is unbelieveable, and if you close your eyes, you can't tell the difference. The piano sound is great, along with the other voices. The keyboard is easy to set-up and use. It is fairly heavy. I got mine throught the Guitar Center in Killeen, Texas, and it arrived at the store in just three days. The management and staff at the Killeen store are excellent and very professional. I already had a Behringer K900FX keyboard amp, and bought the second one so that I could have one for the left and right channels. I used the keyboard in church and everybody was just amazed at the sound as I was! I would say if you are looking for a great digital piano, that this would be for you if your price range is $1000. Be sure to get a good bench for your keyboard, and a good cover. I also got the Gator KGB-88 keyboard case to use for travel to and from the church.

(1 of 1 customers found this review helpful)


P155 is simply the best!

By Shawn Morris

from Douglasville, Georgia

Comments about Yamaha P-155B Contemporary Digital Piano:

I've owned a P95 for a couple of years, playing and taking lessons, and I loved it. However, there comes a time when you want to upgrade and get the best sound and feel, key weight accuracy, and features that you can get. The P155 is the only logical choice. I compared many brands and models, including the CP33, and I have never felt a more realistic set of keys than the ones on the P155. I take lessons on a 9ft concert grand piano, and the feel is indistinguishable. The sound of the P155 is simply amazing, from the multi-layered sampling to the damper resonance, it just blows me away! I have been very pleased with it so far. If you are in the market for a high quality digital piano, do yourself a favor and check out the P155!

(1 of 1 customers found this review helpful)


Realistic Feel and better sound than Korg

By Andrew Conrad

from Chicago, IL

Comments about Yamaha P-155B Contemporary Digital Piano:

Based on touch and price, I originally bought the Korg SP250. The RH3 keyboard bed feels absolutely realistic. However, buying a keyboard inside the retail store is like picking out an instrument while an orchestra is tuning all around you; it's just too noisy in there! So I got the Korg home and realized how muffled and muted it sounded. This brought me back to the store, where I discovered that the P-155 has a Brilliance adjustment! So I brought it home before I returned the Korg, in order to do some side-by-side comparison. Feel/Touch I slightly liked the Korg keyboard better, but if the Korg is 99% awesome, this is at least 98% awesome. Sound The Korg is louder, but muffled. The Yamaha has a brightness adjustment and the Korg does not. The Korg sounds like the most muffled/warm setting on the Yamaha. I have been playing the Yamaha at the brightest setting and it sounds wonderful. Another thing I noticed is that playing with more force on the Korg didn't change the sound of the attack. Playing gently vs more forcefully on the Yamaha actually sounds different. Test this by pecking the same key over and over in a crescendo. Hardware Yamaha comes in white, black w woodgrain (155), or black on black (155B). With the Korg, you can get silver w wood or black w wood. The Korg comes with a (very ugly) stand and the Yamaha does not. I put mine on the dining room table, so this didn't matter. The pedal for the Korg attaches to the ugly stand. If you don't use the stand, the pedal slides around quite a bit on the floor. The yamaha pedal stays put. In fast pieces, you have to flip sheetmusic quickly. On the Korg, I found pages slipping down, books closing, or flicking stuff off the stand. On the Yamaha, the music stand has ridges, which are almost grippy. Worked much better. The music stand on the Korg is all black plastic, the stand on the Yamaha is clear plexi, which I found more attractive. Features I initially thought the ability to record on a digital piano was a gimmick. But now that I've tried it, it's REALLY nice. On the Yamaha, you can record or playback one hand at a time, which is REALLY great for learning challenging new pieces. The Korg has no recording capabilities. Both have the metronome with time signature, many demos, and many voices. Yamaha has Brilliance adjustment and the ability to record. Overall There are only a few hundred dollars between these pianos. Both are great, but if you can wait on a coupon or sale, the gap between the two can become even smaller. So buy whichever you will enjoy playing. Personally, I was willing to compromise on my touch/feel preferences (both are great) in order to be able to fine-tune the sound, have some additional features to help me play and practice, and ditch the woodgrain and cheap-looking stand.


Great Piano

By Neil Harrell

from Cincinnati, OH

Comments about Yamaha P-155B Contemporary Digital Piano:

I am mainly a stringed instrument player: guitar, dobro, mandolin, fiddle. I received a cheap keyboard from a friend and it got me back into playing piano. It wasn't long before I decided to buy a new digital piano. I researched them for a long time before I bought this one. My main interest was in the piano sound and the weighted feel of the keys. Unfortunately I couldn't find higher end pianos in local music stores to test. I finally found this one at another big box store but they couldn't match G.C.'s deal around last Christmas so I ordered it from G.C. online. This piano sounds and plays great. The weighted keys are the best of any digital piano I've played. I also like the built in speakers which sound great in my music room. It fits my needs very well and will for a long time in the future.

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