Definitive Technology Dymension DM40 Slim Bipolar Tower Speaker (Each)The Dymension™ DM40 fills your home theater with larger-than-life sound. Crystalclear highs, incredible depth-of-field, and robust bass envelop you whether you’reenjoying the latest blockbuster or your favorite songs. Innovations include aluminumoxide tweeters, an adjustable bipolar array, and acoustically optimized enclosure.Product Features:• Fully balanced bipolar driver array for truly enveloping sound• Acoustically optimized, ported enclosure for smooth bass and clear mi