It is a self-powered Minima One™, full range, loudspeaker system designed for permanent installation, offering both high fidelity and high efficiency. The Time-Aligned™ studio quality sound provides detail and clarity not found in other designs. It has a rugged birch plywood enclosure finished with our beautiful utility black textured finish and a black steel grille. Optional flying attachment points allow for safe and convenient rigging. The audio input incorporates an InGenius® balanced line receiver providing very high common mode rejection to eliminate noise often present in systems with less optimized grounding and wiring schemes. The internal Minima One™ amplifier incorporates a high efficiency low power consumption green design with advanced digital switching to automatically accept any line voltage from 88 to 270 volts. Low voltage contacts are provided for installations to remotely turn the amplifier on and off.