The PAF1B-I 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. The PAF1B-I 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 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.