Adjustable angle neodymium magnet tweeters provide a better sense of envelopment and clarity of sound. The Bass drivers are specially treated to provide natural bass reproduction and a dynamic sound stage. Specially selected low distortion crossover components ensure a consistency of sound among all speakers. Gold plated binding posts allow for lossless transmission and a fuller sound stage. A rigid cabinet is made of highly polymer and additionally tight-fitting metal mesh to reduce resonance, which produces a much cleaner performance. In wall (In ceiling) speakers with back box: The cabinet works in tandem with the drivers to create the low bass frequencies. With the back box the bass performance will be enhanced and there is the added benefit of protection from environmental factors, which can prematurely age the speaker components.