2-way bipolar surround speaker featuring all the advantages of the  X range, including the famous Flax membrane. The Flax cone of the 13 cm loudspeakers delivers natural sound, rich bass and great sound definition. SR900’s two TNF tweeters, with their ingenious waveguide for controlled directionality, deliver precision, control and smooth treble. All-in-all it guarantees an uncompromising home theater installation.