The dimensions of the soundbar are 54″ (137.2 cm) W x 2 15/16″ (7.5cm) H x 6 3/16″ (15.7cm) D. The dimensions of the subwoofer are 15 5/8″ (39.6cm) W x 20 3/8″ (51.6cm) H x 15 7/8″ (40.3cm) D.