DELL SB522A, 4.5 W, 3.6 W, Black, Wired, 4.94 oz (140 g), 12.2" (310 mm) DELL SB522A. RMS rated power: 4.5 W. Soundbar speaker RMS power: 3.6 W. Product color: Black. Connectivity technology: Wired. Soundbar weight: 4.94 oz (140 g)