Enjoy powerful sound in your study or anywhere in your home with the Klipsch R-40PM bookshelf speakers. Experience a larger soundstage with edge-to-edge 90” x 90” Tractrix horns that never lose clarity, even at high volumes. Expertly engineered with extra cabinet depth creates a warmer, more impactful sound. These Klipsch bookshelf speakers handle up to 35W RMS and 240W peak for accurate music reproduction. Easy setup, no receiver needed, and PC and TV ready, the Klipsch Reference 40 PM is the perfect powered bookshelf speaker.aaaaaaaaaaaaaaaaaaaaaaaaaa