Bose 251 Environmental Outdoor Speakers (White) + 50 Feet 14AWG Speaker Wire + Microfiber Cleaning Cloth Two 5.25" 100W Speakers For Outdoor Use Two 2 1/2" Twiddler drivers in an Articulated Array speaker design One 5 1/4" woofer in a patented multi-chambered bass enclosure Talc- and glass-filled polypropylene cabinet Patented multi-chamber bass enclosure for deep bass without audible distortion.