Been in the business since the 80's and have used various active and passive speakers over this time, years ago when you had a fault on an amplifier or speaker it was easy to get repaired due to most of the equipment being made in this country. Last year I purchased a pair of Behringer EUROLIVE B412DSP and a pair of db technologies 12" powered subs, ...Now remember both companys advertise these as having built in protection to avoid distortion / speaker damage, well take it from me, it doesnt work, just out of warrenty 1 of the behringer hf horns gave up then around the same time the amp and s