Wireless compact subwoofer with 30 feet range, addition for home theater systems, connects wirelessly to your soundbar, premium glass-top finish, generously sized port + QuietPort technology for eliminating distortion, 13" H x 11¾" W x 11¾" D dimension & weight is 13.6 Kg, exclusively designed for Bose Soundbar 700, further adding of Bose Surround Speakers 700 wireless possible.