I never use a mixer, set the EQ's on both the Bose and the keyboard, and one of the things I worry about is too much bass and too much highs. Guess my ears are getting old too. However, I only play MP3s during breaks, but they sound good to me as well.

Cheers,

Gary

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Travlin' Easy
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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.)