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What are the step-ups from PSR-S650?
• 128-note polyphony
• Stereo AUX line ins and
outs
• MIDI ports
• More Voice and Style
content
• Larger FlashROM (64MB
vs. 16MB)
• Larger/better screen
• More powerful sound
system/speakers
Yamaha PSR-S750 Welding System User Manual