Theater Solutions CS6C Contractor Series pair of in-ceiling speakers are newly designed for consumers who demand powerful bass in a compact package. High quality, lush bass and a full bodied sound at an affordable price. These speakers are perfect playing movie soundtracks or Mozart sonatas. Made with only the highest quality, moisture resistant materials to deliver unsurpassed sound in any listening environment. Sophisticated design and measurement equipment, including computer assisted design software were used to design these speakers to achieve an optimized balance and interface between components to give better quality performance and longer life.