I can't compare the two, but I play the S900 through JBL Eon 10G2s and the sound is crystal clear and very powerful. I play one hour gigs and my audience loves the sound.

zuki
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Yamaha 920 / Yamaha DGX-670 / Maui 5 Go (2) / Senn e935 / Sony C80 / Tascam DP24sd / ATEM Mini Pro switcher (studio)