Another one of a kind from OSD Audio is this classic 2.1 speaker system with a built-in amplifier. Easily hook it up to your audio source via the headphone jack and play music from your smartphone, tablet, or any other media deviceĀ and enjoy pristine audio. This super unique, super sleek system includes an active subwoofer and the surround speakers that are perfectly balanced for stereo arrangement, multimedia, or home theater. These components take advantage of the latest advances in loudspeaker design and performance and bring you some of the best in at-home media.