The 1 aluminum dome tweeter utilizes an FEA-optimized diffuser which delivers a very open airy presentation and extremely unveiled highs.The 6.5 woofer delivers rich and articulate bass and outstanding extension, courtesy of a polypropylene cone, a refined motor with an aluminum shorting ring for reduced distortion, a vented voice coil former, and unique all-new cast ABS-fiberglass-carbon composite basket for precise component alignment.Our exclusive SoundMatch crossover features premium-grade capacitors, air-core inductors and heavy-trace printed circuit boards. Extensive development yields excellent total radiated sound power, outstanding phase coherency and razor sharp time domain behavior.Overall Dimensions: 13.3" (H) X 8" (W) X 10.3" (D) (includes grille, binding posts and bumper feet).Black ash and piano gloss black finish options.