PSR-S550B //Y +PA-300C //E Organ + adaptor YAMAHA

  • 283 realistic instrument voices, 11 Regional voices, 480 XG voices, 14 Drum/SFX kits and 8 Regional Drum/Percussion kits
  • 16-track sequencer
  • Style Creator
  • 176 built-in accompaniment styles including 14 Regional styles
  • Fully XG-compatible

The PSR-S550 inherit the high-quality sound features of the PSR-S700/S900 to the max, resulting in improved musical performance through increased polyphony and more voices variations, Using the 16-track sequencer and Style Creator, the ability to produce a wide array of music has greatly increased.

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PSR-S550B Main FeaturesStep-up features on PSR-S710 (next Model up)
Arranger Features: USB, extensive accompaniment control, powerful sound
Sound Quality: 774 Voices, 22 Drum kits
Regional content including regionally unique Voices and Drum Kits
LCD displays lyrics, chords, notation
Ease of operation: Mixer Function, Music Database, One Touch Settings, Registration
16-track sequencer & 64-note polyphony
3 Effects blocks: Tailor your sound
Other Great Features
Internet Direct Connect (IDC) for on-line, on demand music
MegaVoice Technology
Larger Display conveys
more information
Organ voices use
Modeling Technology
128-note polyphony
6 Effects blocks
650 KB Flash ROM user storage


Arranger Workstation features include USB, extensive accompaniment control, powerful sound


PSR-S550B entry-level Arranger Workstation offers professional features like USB MIDI and storage, 16-track sequencing, 64-note polyphony, unique Regional Voices and Drum Kits and full XG compatibility, making it a wonderful addition to any serious musician's collection of keyboards. Like other Arranger Workstation keyboards, there are dedicated Registration, One Touch Setting and Octave buttons on the panel and Style and Voice category buttons to get you where you want to go quickly. Other pro features include Mixer Function for song playback, 3 Intros, 4 Variations and 3 Endings to the Styles, Style Creator function and great sounds from inherited Sweet!/Cool!/Live! Voices from the Tyros and PSR-S900/S700.




Sound Quality: large selection of realistic Voices




The PSR-S550B gives you the realistic voices you need to sound your best, drawing on some of the recent technologies of other Yamaha Arranger Workstation keyboards. You'll find a vast selection of 294 realistic instrument voices, 480 GM/XG Voices and 22 drum/SFX kits. Included is a selection of Regional Voices and Drum Kits (Chinese, Indian and Middle Eastern) and special piano, guitar, brass and flute Voices from Tyros, PSR-S900 and PSR-S700.

Just below the Voice category buttons are buttons that allow you to Split and Layer Voices, turn the Harmony, Touch and Sustain on and off, dedicated DSP button and Upper Octave transpose buttons.


LCD displays lyrics, chords, notation




Have you ever played a song and wondered what it would look like as sheet music? The PSR-S550B can display the score to a song whether it comes from the Internet, the internal selections or ones that you record yourself, and the pages scroll automatically when a song is played back. No more page turning! This is a great way to learn how to read music. And for singers, the screen also displays chords and lyrics to XF compatible songs.


Ease of Operation: Mixer Function, Music Database, One Touch Settings, Registration buttons


There are many tools in the keyboard that make it easy to be a power user from the first day.

    • Mixer function allows you to change track volume, panning, reverb and chorus during song playback
    • Music Database (MDB): 600 complete keyboard setups by song title
    • One Touch Settings: four factory recommended setups for each Style in the keyboard
    • Registration Memory: digital snapshots of all of your keyboard settings (8 memory buttons x 8 banks)
    • Transpose: easily transpose the keyboard and songs to the best key for you
    • Metronome: useful for practice and for recording tracks to the built-in sequencer
    • Tap Tempo: set the tempo for the next song exactly where you want it by tapping this button




16-track sequencer and 64-note polyphony



With the PSR-S550B, you have the equivalent of a built-in multi-track recorder to record one or multiple instrument parts at a time and assign each part to a different track. Sixteen tracks are provided to accommodate sophisticated melodies, chord accompaniment and rhythm parts. During playback, use the Mixer function to change track volumes and balance. And to keep you from running out of notes with all that great music playing, the PSR-S550B features 64-note polyphony.


Three effects blocks: tailor your sound


Whether it's a rotary speaker effect you're after or flange or overdrive guitar or just simple compression, the PSR-S550B offers the utmost in control over your sound. You'll find 35 Reverb, 44 Chorus and 237 DSP effects plus 26 Harmony and 5 preset types of Master EQ. The 237 DSP effects can be added to the Main, Dual and Left Voices.


Other Great Features


  • Style Creator Function Supports original Style production and editing of internal Styles, including using Regional Voices.
  • 2-Way Speaker System Separate woofers and tweeters deliver sounds with clarity and precision for more lifelike instrument voices.
  • Bass Boost System A special port on each speaker adds a powerful impact to bass sound reproduction.
  • Function Button 51 Functions provide a wide range of both detailed and overall instrument parameters, such as adjusting the tuning, setting the split point, and editing the voices and effects.
  • LCD Contrast Control Adjust the LCD Contrast control on the rear panel of the instrument for optimum display legibility.
  • Mute Independent Song Parts You can mute individual tracks of songs using the Registration Buttons during song playback
  • Play Songs Saved to USB Flash Memory When you press the dedicated USB button on the panel, you can dial up the song you want and simply press the PLAY button, allowing for quick changes in live environments


DimensionsWidth946mm (37-1/4")
Height130mm (5-1/8")
Depth402mm (15-7/8")
WeightWeight7.5kg (16lbs., 9oz.)

Control Interface

KeyboardNumber of Keys61
TypeOrgan Style
Touch ResponseYes
Other ControllersPitch BendYes
DisplayTypeFull Dot LCD
Size320 x 240 dots
Score Display FunctionYes
Lyrics Display FunctionYes
LanguageEnglish, Japanese


Tone GenerationTone Generating TechnologyAWM Stereo Sampling
PolyphonyNumber of Polyphony (Max.)64
PresetNumber of Voices294 + 480 XG + 22 Drum/SFX Kits
Featured Voices11 Regional Voices, 8 Regional Drum/Percussion kits, 11 Sweet! Voices, 16 Cool! Voices, 13 Live! Voices


TypesReverb35 types
Chorus44 types
DSP237 types
Master EQ5 Preset
FunctionsDual/LayersVoice layer (RIGHT 1, 2)
SplitSeparate split points for Chord and Voice (LEFT)
Panel SustainYes

Accompaniment Styles

PresetNumber of Preset Styles176
Featured Styles4 Arabic Styles, 2 Indian Styles, 2 Chinese Styles, 2 Mexican Styles, 3 Latin Styles and 1 Brazilian Style
FingeringMulti / Full Keyboard
Style ControlINTRO x 3, MAIN VARIATION x 4, FILL x 4, ENDING x 3
CustomUser StylesYes
Style CreatorYes
Other FeaturesMusic Database600 + External Files
One Touch Setting (OTS)4 for each style


RecordingNumber of Songs5
Number of Tracks16
Data CapacityApprox. 10,000 notes (when only "melody" tracks are recorded) Approx. 5,400 chords (when only "chord" tracks are recorded)
Recording FunctionQuick Recording, Multi Recording
Compatible Data FormatPlaybackSMF (Format 0 & 1), Style File
RecordingSMF (Format 0)


RegistrationNumber of Buttons8 (x 8 Banks)
Overall ControlsMetronomeYes
Tempo Range5 - 280
Octave ButtonYes

Storage and Connectivity

StorageInternal Memory1,895KB
External DrivesOptional USB Flash Memory (via USB TO DEVICE)
ConnectivityDC INDC IN 16V
Headphonesx 1
AUX Pedal1Footswitch (optional)
LINE OUTShared with Phones

Amplifiers and Speakers

Amplifiers12W + 12W
Speakers12cm x 2 + 3cm x 2

Power Supply

Power SupplyAdaptor (PA-301/PA-300)
Power Consumption25W

Bundled Software



Included AccessoriesMusic RestYes

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