Jamo C97 Satin Black (Ea.) Floorstanding Speaker 1inch: (25 mm) silk dome decoupled tweeter with AntiDiffraction WaveGuide and Tweeter Distortion Reduction 6inch: (152 mm) Hybrid Composition Conical Cone midrange driver with Long Displacement Surround technology. Two 6inch (152 mm) Hybrid Composition Conical Cone woofers with Long Displacement Surround technology AntiDiffraction Waveguide (ADW): Provides improved offaxis response with more uniform high frequency extension. Single Speaker - Sold Individually - Purchase Two for a Pair.