This Bluetooth enabled Edifier CineSound B7 145W Sound Bar can turn your drawing room into a live theatre, providing clear and loud audio. It comes with a wireless sub-woofer of 5.8GHz along with it. The sub-woofer is 8 inches with 2 3/4 inch aluminum diaphragm mid-range and 3/4 inch silk dome tweeter. With built-in controls on the soundbar, easily adjust volume, power and input selection or use the wireless remote. Moreover, B7 is equipped with the improved Bluetooth technology, which provides up to 10 meters of connection.