OD 6.1 is an effective outdoor speaker system that provides good bass response with a relatively smooth top end. It has an aesthetically pleasing teardrop shape with an elegant microperf grille. A multi position metal support bracket is included to facilitate mounting. First tested in marine environments the 6.1 will insure many years of durablity.6" two way vented - Outdoor use 6' treated polycone 1" metal dome Enclosed - 12 db/oct 88 db 8 ohms11"h x 8"w x 7" d w/o bracket, 8.5" d with bracket. 12lbs ea ABS plastic Available in black and white.