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.