The Denon DSW-1H wireless subwoofer connects via Wi-Fi to the Denon DHT-S716H sound bar to add deep powerful bass you can feel and hear. Dual custom 5.25\" drivers are fed by sophisticated high-power Class-D amplification while proprietary DSP algorithms give you optimized low frequency response across the entire dynamic range. Place it anywhere in the room horizontally or vertically then simply plug-in to wall power and play. With quick setup improving your entertainment experience with clear thunderous bass has never been easier.