The Adam Tensor Delta is an anomoly. An excellent home hi-fi speaker and a professional studio monitor. Slamming bass, innovative high end tweeter. Active 3-way with balanced XLR input. Adjustable EQ on rear. 250wpc for bass,mids from custom ICE power amps and class A/B for the tweeter. The mid and tweeter are Adam's "X-ART" drivers, being Adam's take on ribbons.