Teraudio is our own speaker range, engineered for home interiors -- easy to install, with paintable grilles designed to disappear into any decor rather than stand out as visible equipment. The range covers in-ceiling speakers in polypropylene and Kevlar woofer options with silk dome tweeters, digital power amplifiers (including Bluetooth-enabled models), and an 8-inch in-ceiling speaker with a built-in Wi-Fi amplifier for zones where running speaker cable isn't practical. Installation is designed to be straightforward, with cut-out templates and gold-plated spring-loaded terminals in the box, and an adjustable tweeter to focus high frequencies toward the listening area.