All Playing No Talking. Justin runs through and compares the styles and sounds of the Yamaha PSR-SX900 and the Korg PA1000. which one do you think is the best? Let us know in the comments. All Audio was recorded directly from the keyboard Line outputs into our recording device with no further editing or effects added. Links to the individual products below. Korg Pa1000 Yamaha PSR-SX900
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