The Profi Line, with its premium-quality components, is one of the most highly touted car speaker systems in history, as the numerous first place honors awarded in tests and reviews in the worldwide car audio press demonstrate. As with all the company’s product lines, Rainbow is dedicated to continuous development and improvement of the Profi Line, resulting in an ultimate auditory combination, with plasticity and front staging. The highest possible resolution definition with superb dynamic range and pulse response ensures sound reproduction of complex audio passages even at extreme volume levels.