The Synergy Series SP-1 three-way powered tower was first introduced in 1999 and manufactured by Klipsch until 2002. While no longer in production SP-1 speakers are still owned and listened to by Klipsch fans around the world as part of two-channel audio and home theater surround sound systems. To connect with other people who are passionate about audio and interested in Klipsch products visit our open forum bulletin board.