One of the ads I saw for the FP90 showed a choir director playing one with no external amp. Now that I own one I realize its possible, the speakers are that good, but he would need a few choir members to help set it up. LOL Any questions let me know, I wish you could try mine
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Bill in SC --- Roland BK9 (2) Roland BK7M, Roland PK5 Pedals, Roland FP90, Roland CM30 (2), JBL Eon Ones (2) JBL 610 Monitor, Behringer Sub, EV mics, Apple iPad (2) Behringer DJ mixer