Bose Lifestyle V30 System. Audio output channels: 5.1. Center speaker dimensions (WxDxH): 140 x 67 x 60 mm, Subwoofer dimensions (WxDxH): 549 x 330 x 203 mm. Package weight: 32200 g. Surround speaker dimensions (WxHxD): 56 x 112 x 81 mm