RCF AR T 912-A Powered Speaker.The expertly designed ART 912-A provides outstanding audio performance and versatility for demanding audio applications. The 1.75" compression driver, 12" woofer, two-channel 2100W amplifier, and constant directivity True Resistive Waveguide work together to provide coherent, distortion-free sound that covers the listening space in a 100° by 60° rectangle. The listener will experience unsurpassed clarity and a deep, potent bass response thanks to the integration of RCF's unique FiRPHASE and Bass Motion Control DSP processing, which has been precisely calibrated for each model. The modern cabinet is made of a special polypropylene composite material with an internal M-brace reinforcement, which makes it simple to transport and secure to place on a pole, wall, or truss using any of the several rigging points provided.