The RB-51 II speaker offers up no-compromise music and movie performances in a smaller more affordable bookshelf design. In fact, with its dynamic quality superior sound and visual appeal you’ll find this speaker simply irresistible. The RB-51 II is complete with our proprietary Tractrix Horn technology which produces a unique combination of precision clarity and effortless power. Finished in a beautiful black ash woodgrain vinyl veneer the RB-51 II is to complement any décor.