Summary: I Purchased (2) K12's about 3 months ago and then a Ksub about 2 months ago. I haven't gigged them much and have been really careful with them, as they're not cheap. One of the k12's went out and I had to ship it to QSC for service which cost me $80. Now my Ksub has an issue where it just cuts out and resets itself for no reason. NO telling how much its gonna cost to ship that. Very disappointed in these products.