I completely understand the difference in price between the two and I also know how they differ with style variations and so forth.. I'm just talking about the sound quality in general.. I know cosmetically, and feature wise the PSR-1000 is a much better keyboard...

Squeak
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GEAR: Yamaha MOXF-6, Casio MZX-500, Roland Juno-Di, M-Audio Venom, Roland RS-70, Yamaha PSR S700, M-Audio Axiom Pro-61 (Midi Controller). SOFTWARE: Mixcraft-7, PowerTracks Pro Audio 2013, Beat Thang Virtual, Dimension Le.