Great choice! EV makes a great speaker! Using two would make it a wonderful sound for you but not be so great on your back.

You may want to look into the little dbx goRack speaker processor.

That will make those speakers sound great!!
"The Shueys"
Yamaha Genos - RCF M20x - RCF HD10A (Stereo) - Jupiter Pocket Trumpet - Sennheiser e935 - Neumann KMS-104 plus-N