The Definitive Technology StudioMonitor 55 are bookshelf speakers intended for home use. Each unit has a dual speaker design set into one housing. An integrated speaker cover protects these Definitive Technology speakers. Gold-tipped posts are rear mounted on the unit. The posts connect speaker wires to the main stereo speakers and are gold plated for increased electrical conductivity. Greater electrical conductivity results in less signal impedance and improved overall sound quality. Dimensions for the Definitive Technology StudioMonitor 55 is 13 inches high by 7.85 inches wide by 12.37 inches deep. The unit weighs 15.5 lbs. The speakers built into the Definitive Technology speakers are a midrange driver and tweeters. The 6.5-inch driver incorporates a second-generation version of DefTech’s Balanced Double Surround System (BDSS). High-range sounds are provided by the tweeter that measures 1-inch and is dome style. The tweeter on the stereo speakers is aluminum while the driver is die cast aluminum. Theses Definitive Technology speakers can be used as a standalone set of pair with other speaker units.