Klipsch R-50M - Reference Bookshelf Speakers (Pair) BlackKlipsch R 50M BOOKSHELF SPEAKERS PAIR ALL NEW 90 X 90 TRACTRIX HORN An updated horn design, including increased outer horn dimensions, will deliver more power and emotion to your music and movies. Bigger definitely means better, with directivity control over a larger bandwidth of frequencies, resulting in a more accurate sound stage. LINEAR TRAVEL SUSPENSION (LTS) ALUMINUM TWEETER A hallmark of Klipsch speakers, the exclusive 1" LTS with Kapton