The HP NQ576AT Speaker Bar System lets you add stereo audio output to your HP flat-panel monitor without taking up any additional desk space. This HP LCD speaker bar features RMS output power of 2W and delivers full-range sound. It is an excellent choice for improving the quality of multimedia presentations, streaming online video or Web-based seminars. This monitor speaker bar is powered by a source with USB connectivity. It attaches easily to the bottom of the monitor to bring audio support features such as high-quality speakers and an external headphone jack right to the desktop.