A sleek-looking speaker Get a power-packed performance from a trim bookshelf design with the 201® speaker system. Simply connect them to your stereo receiver and enjoy the best your music has to offer. 201 stereo speakers use proprietary Direct/Reflecting® speaker technology to create an experience similar to a live performance, where a mix of reflected and direct sound envelops listeners. Speakers are fully tested and sounds great. They are used and show some signs of use but overall in excellent condition.