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. Color/FinishSize/WeightDimensions| Width | 946mm (37-1/4") | | Height | 130mm (5-1/8") | | Depth | 402mm (15-7/8") |
| Weight| Weight | 7.5kg (16lbs., 9oz.) |
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Control InterfaceKeyboard| Number of Keys | 61 | | Type | Organ Style | | Touch Response | Yes |
| Other Controllers | Display| Type | Full Dot LCD | | Size | 320 x 240 dots | | Color | Monochrome | | Contrast | Yes | | Score Display Function | Yes | | Lyrics Display Function | Yes | | Language | English, Japanese |
| Panel |
VoicesTone Generation| Tone Generating Technology | AWM Stereo Sampling |
| Polyphony| Number of Polyphony (Max.) | 64 |
| Preset| Number of Voices | 294 + 480 XG + 22 Drum/SFX Kits | | Featured Voices | 11 Regional Voices, 8 Regional Drum/Percussion kits, 11 Sweet! Voices, 16 Cool! Voices, 13 Live! Voices |
| Compatibility |
EffectsTypes| Reverb | 35 types | | Chorus | 44 types | | DSP | 237 types | | Master EQ | 5 Preset |
| Functions| Dual/Layers | Voice layer (RIGHT 1, 2) | | Split | Separate split points for Chord and Voice (LEFT) | | Panel Sustain | Yes | | Mono/Poly | Yes |
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Accompaniment StylesPreset| Number of Preset Styles | 176 | | Featured Styles | 4 Arabic Styles, 2 Indian Styles, 2 Chinese Styles, 2 Mexican Styles, 3 Latin Styles and 1 Brazilian Style | | Fingering | Multi / Full Keyboard | | Style Control | INTRO x 3, MAIN VARIATION x 4, FILL x 4, ENDING x 3 |
| Custom| User Styles | Yes | | Style Creator | Yes |
| Other Features| Music Database | 600 + External Files | | One Touch Setting (OTS) | 4 for each style |
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SongsRecording| Number of Songs | 5 | | Number of Tracks | 16 | | Data Capacity | Approx. 10,000 notes (when only "melody" tracks are recorded) Approx. 5,400 chords (when only "chord" tracks are recorded) | | Recording Function | Quick Recording, Multi Recording |
| Compatible Data Format| Playback | SMF (Format 0 & 1), Style File | | Recording | SMF (Format 0) |
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FunctionsRegistration| Number of Buttons | 8 (x 8 Banks) |
| Demo/Help | Overall Controls| Metronome | Yes | | Tempo Range | 5 - 280 | | Transpose | Yes | | Tuning | Yes | | Octave Button | Yes |
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Storage and ConnectivityStorage| Internal Memory | 1,895KB | | External Drives | Optional USB Flash Memory (via USB TO DEVICE) |
| Connectivity| DC IN | DC IN 16V | | Headphones | x 1 | | AUX Pedal | 1Footswitch (optional) | | LINE OUT | Shared with Phones | | USB TO DEVICE | x 1 | | USB TO HOST | Yes |
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Amplifiers and Speakers| Amplifiers | 12W + 12W | | Speakers | 12cm x 2 + 3cm x 2 |
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Power Supply| Power Supply | Adaptor (PA-301/PA-300) | | Power Consumption | 25W |
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Bundled SoftwareAccessoriesIncluded Accessories
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