Black.2.5cm Nano-Fine Tweeter extends high-end frequency response (40Hz - 50kHz).8cm mid range and 16cm mid bass drivers incorporate Kevlar HOP (Highly Oriented Polyolefin) technology.180 watts maximum input power.Bass reflex for enhanced reproduction of lower frequencies. 16cm mica-reinforced cellular woofer.Magnetically shielded.Size (H)36, (W)65, (D)105cm.