Mel, just a wild guess, but I suspect you'll enjoy more bass if the S1 is on the floor and relatively close to the wall behind you. Give it a try and let us know.

Gary cool
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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.)