The D&B Audiotechnik Z1650.100 44S is a weather-resistant passive loudspeaker perfect for various indoor and outdoor sound needs. Ideal for event organizers, venues, and audio enthusiasts. It features two 4.5” neodymium LF drivers and two 1.25' HF dome tweeters for great sound quality. The rotatable CD horn provides a 90° x 30° dispersion. It can be used stand-alone or with subwoofers. The optional back box allows for flush mounting in ceilings or walls. Dimensions are 390 x 128 x 150 mm (without back box) and 480 x 140 x 180 mm (with back box), weighing 3.6 kg (without back box) and 6.2 kg (with back box).