The built-in all-digital amplifier delivers ample power with high efficiency and true-to-source accuracy in reproduction. Proprietary internal geometry that minimizes port noise for clean undistorted low frequencies. The front-firing design allows for placement flexibility. Allows you to tune the subwoofer to your Klipsch speakers and to your room, establishing the ideal level of bass. Ensure compatibility with old and new receivers. Allows for completely wireless connection of one or multiple subwoofers for easy placement anywhere in your room. Contemporary aesthetic with absolute durability that results in a seamless integration into any decor. Incredible acoustic decoupling feature that allows you to hear the subwoofer, not the room. This woven cloth material adds a rich, refined look that is acoustically transparent.