This product is either discontinued or we cannot get that from suppliers.
Dell 520-AAOT Stereo Soundbar, Power USB, Sound bar - stereo x 2 - active, Compatibility OptiPlex 3060 SFF, OptiPlex 3060 MT, OptiPlex 3060 MFF.
The Dell 520-AAOT Stereo USB Soundbar AC511M provides clear stereo sound, allowing you to enjoy audio on your favorite games, music, and movies, without sacrificing desk space.