perlisten s7i lrPERLISTEN S7I LR IN WALL SPEAKER IN AN ABSOLUTE WORLD CLASS Perlisten S7i LR is a 4 way in wall speaker that represents the very pinnacle of acoustic engineering. As part of Perlistens exclusive Signature series, it is designed to deliver uncompromising performance with an impressive combination of precision, dynamics, and depth. The S7i LR combines THX Dominus certification, ensuring cinema quality sound even in the largest rooms, with a refined