TRS-MS05 Tyros Speaker System...no one has heard them to be able to report on their quality of sound.

Probably very similar to T4's system (TRS-MS04), and quite likely, upgraded as well.

Ian
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Yamaha Tyros4, Yamaha MS-60S Powered Monitors(2), Yamaha CS-01, Yamaha TQ-5, Yamaha PSR-S775.