Atlantic Technologies 4400SR-P-BLK Surround Channel SpeakersThe Atlantic Technology 4400SR is a meticulously engineered surround speaker system that brings the immersive cinema experience right into your living room. With its switchable Dipole Bipole design, it offers flexibility and superior performance, making it an integral part of your home theater system. 4400LR 4400C 4400SR Type Sealed box, 2 way M T M array Sealed box, 2 way M T M array Sealed box, Dipole Bipole surround speaker Woofer (2) 5 GLH (2) 5