Jamo C109 Walnut (Ea.) Floorstanding Speaker Single Speaker - Sold Individually - Purchase Two for a Pair. Hybrid Composition Conical Cone (HCCC): Provides the stiffness and strength of aluminum or titanium, with the transient response and smoothness of wood fiber. Tweeter Distortion Reduction (TDR): Provides lower distortion, greater high frequency extension and smoother high end. Long Displacement Surround (LDS): Provides cleaner, tighter, deeper bass.