Same questions as Donny. You really DO need those extensions, and from my experience they make a huge difference in projecting those mid range sounds and separating the overall system sounds. Glad to see you sang as well. You need to do it more, though.
Gary
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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!
K+E=W (Knowledge Plus Experience = Wisdom.)