Featuring a 6.5" driver, this is one heavy duty surround speaker. A great match for the larger main and center channel speakers in the series, movies and multi-channel music will sound full and punchy from all directions. FXiA6 brings you the best surround sound performance. With two tweeters and a unique trapezoidal shape, these surround speakers will, well- literally surround you in 3 dimensional sound. Configurable as bipole or dipole they work equally well behind you or beside you. These awesome surround speakers work great for multi-channel movies, music or video games. Use two pairs for 7.1 for the ultimate home theater system!