Established in 1998, the ANTERA - Industria e Comercio Ltda. has been developing different work projects and preparation of audio products in response to a growing market and increasingly professionalised. One of the bets of our company was the follow-up of speakers active (with own amplification), whereas voicing both the mobile and the fixed sound reinforcement, were demanding high-performance products and relative cost, and practical assembly and operation. The first release was the stage monitor amp, which brought a new dynamic in sound, since he had already built into the cabinet, an amplifier 150 watts RMS, and pre-amplifier, controlling volume, bass, middle and treble. Over the years, and now with the success achieved by the first products manufactured by ANTERA, began to develop other speakers, with the same engineering principles, and that today constitute the most absolute reality that "in Brazil, it can be produce equivalent products at the best produced in the world, "especially taking into account that our company has always prioritized the seriousness, competence and respect for audio professionals, today is also the best equipped in the world. But the success of the anther during these few years of life, we became famous for its services after the sale. That is, we just do not give a specific guarantee period for our products, we ensure flawless performance indeed, for we are a genuine Brazilian company and, above all, has much relevance to consumers and audio professionals.