OK, crossed replies. Impressive with a camera cell phone. Sounds like there's plenty of power. I wonder how it covers mid range like my QSCs. They are the only speakers that I ever liked my piano through.
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Yamaha 920 / Yamaha DGX-670 / Maui 5 Go (2) / Senn e935 / Sony C80 / Tascam DP24sd / ATEM Mini Pro switcher (studio)