The flat DellTM Flat Panel Attached is a two-channel system designed to be mounted on flat Dell Entry and UltraSharpTM panels. Stereo speakers include a volume knob with switch on/off control to the general level of the system; a white LED indicating power, two audio headphone sockets and a Kensington locking protection. The AX510 is designed for UltraSharp and selected other models with a throughput connector for powering the sound rail.