Whether used in pairs for fine music reproduction or in a multi-channel system, the Atlantic Technology IWTS-10 speaker delivers the accurate, low-distortion sound required by today"s digital formats. The IWTS-10 incorporates dual 6.5-Inch Injection Molded Graphite-loaded driver cones and a 1-Inch pivoting tweeter. It also has a front plate High Frequency Level control switch to adjust for different room environments. The IWTS-10 uses an M-T-M (midrange-tweeter-midrange) configuration to achieve desirable limited vertical and extremely broad horizontal coverage for great sound throughout the room.