Audiovector R SUB SubwooferA Powerful Experience with Speed and Attack The R Sub Arret gives your audio system immediate and significant improvements. It helps open the midrange, almost as if the system is having to do less work. A long throw driver, a rounded high quality cabinet, powerful amplification and a downward firing passive radiator; our subwoofer delivers a fast, musical performance without stealing the attention from the loudspeakers they support. High level Speakon