The Acoustech HT-64 speakers incorporate a sleek cosmetic design with "hand rubbed" black lacquer tops and bottoms. They offer wide dynamic range up to 116 dB output and deliver performance rich in clarity and sound. Each speaker houses a 6 1/2" poly-graphite woofer combined with a custom engineered high efficiency 6 1/2" horn tweeter. HT-64 speakers come with a 7-year warranty and are a superb choice for both main and/or surround speakers in any system.