This Home Theatre System utilizes wireless technology to bring less clutter to the home. There is no cable connection from the Soundbar unit to the Subwoofer unit. Audio information is transmitted wireless via the 2.4 GHz band from the Soundbar unit to the Subwoofer Unit. The Soundbar unit is powered up via an external power adapter, which is connected to the wall socket. The adapter has a cable length of 1.5 m.