Dual 6-1/2" 2-Way Floorstanding Speaker that features. Boston Kortec® soft dome tweeters for crystalline high-frequency sound. Graphite injected polymer woofers utilize Deep Channel Design (DCD) for more bass from less amplifier powe. Acoustically tuned port for improved bass. MagnaGuard magnetic shielding prevents video interference. 5-way gold-plated binding posts for hook-up flexibility and the purest signal transfer.