Product Specifications Comparison between PSR 740 vs PSR S550B
MODEL PSR S550 B PSR 740
Control Interface
Keyboard Number of Keys 61 61 standard-size keys
Type Organ Style Organ Style
Touch Response Yes Yes
Other Controllers
Modulation Wheel No Yes
Pitch Bend Yes Yes
Display
Type Full Dot LCD Large multi-color backlit LCD.
Size 320 x 240 dots ?
Color Monochrome Monochrome
Contrast Yes Yes
Score Display Function Yes ?
Lyrics Display Function Yes Yes
Language English, Japanese English
Panel
Language English English
Voices-Tone Generation
Tone Generating Technology AWM Stereo Sampling NO
Polyphony
Number of Polyphony(Max.) 64 64
Preset
Number of Voices 294 + 480 XG + 22 Drum/SFX Kits 267+480XG+13 Drum/SFX
Featured Voices 11 Regional Voices, 8 Regional Drum/Percussion kits, 11 Sweet! Voices, 16 Cool! Voices, 13 Live! Voices  1 "Organ Flutes" voice
Compatibility
XG Yes Yes
XF Yes Yes
GM Yes Yes
Effects - Types
Reverb 35 types 24 types
Chorus 44 types 20 types
DSP 237 types 102 types
Digistal Effects Processor ? Yes
Master EQ 5 Preset DSP: 102, Multi: 74 types x 3; MicDSP: 74 types, Harmony/Echo: 22 types; Master EQ
Functions
Dual/Layers Voice layer (RIGHT 1, 2) Voice layer (RIGHT 1, 2)
Split Separate split points for Chord and Voice (LEFT) ?
Harmony / Echo ? Yes
Panel Sustain Yes ?
Mono/Poly Yes ?
Accompaniment Styles-Preset
Number of Preset Styles 176 160
Featured Styles 4 Arabic Styles, 2 Indian Styles, 2 Chinese Styles, 2 Mexican Styles, 3 Latin Styles and 1 Brazilian Style
 
Style
Fingering Multi / Full Keyboard  
Style Control INTRO x 3, MAIN VARIATION x 4, FILL x 4, ENDING x 3 Count intro, intro, main A/B/C/D, fill-in x 4; ending, simple ending
Accompaniment on/off, sync-start, sync-stop, count intro, intro, main/auto-fill, ending/rit, simple ending/rit.
Custom
User Styles Yes Yes
Style File Format Yes Yes
Other Features
Music Database 600 + External Files No
One Touch Setting (OTS) 4 for each style ?
Songs-Recording
Number of Songs 5 10
Number of Tracks 16 16
Data Capacity Approx. 10,000 notes (when only 'melody' tracks are recorded) Approx. 5,400 chords (when only 'chord' tracks are recorded) 60 songs max (on disk)
Recording Function Quick Recording, Multi Recording None
Compatible Data Format
Playback SMF (Format 0 & 1), Style File SMF (Format 0 & 1), Style File
Recording SMF (Format 0) SMF (Format 0 & 1), Style File
Functions - Registration
Number of Buttons 8 (x 8 Banks) 4 Multi Pads (36 Preset +4 User)
Demo/Help
Demonstration Yes (600 Songs) Yes - 10 Songs
Overall Controls
Metronome Yes Yes
Tempo Range 5 - 280 Yes
Transpose Yes Yes
Tuning Yes Yes
Octave Button Yes ?
Storage and Connectivity-Storage
Internal Memory 800KB None
External Drives Optional USB Flash Memory (via USB TO DEVICE) Floppy
Connectivity
DC IN DC IN 16V DC IN 12V
Headphones x 1 Phones, Aux. out (R, L +R/L), Footswitch, Foot volume, Mic/line-in
AUX Pedal 1Footswitch (optional)
LINE OUT Shared with Phones
USB TO DEVICE x 1 NO
USB TO HOST Yes NO
Amplifiers and Speakers
Amplifiers 12W + 12W 6W + 6W
Speakers 12cm x 2 + 3cm x 2 12 cm x 2 + 3 cm x 2
Power Supply
Power Supply Adaptor PA-300(Optional)

 

DC 10 - 12V
Power Consumption 25W ?
Bundled Software
CD-ROM Yes NO
Accessories - Included Accessories
Music Rest Yes Yes

 

Dimensions
Width 946mm (37-1/4') 973 mm
Depth 402mm (15-7/8')  398 mm x
Height 130mm (5-1/8')  162 mm
Weight
Weight 7.5kg (16lbs., 9oz) 10 kg (22 lbs.)