RCF S 12 Bass Reflex Subwoofer - 12"S 12 is a high power, compact subwoofer system ideal for those installations where the physically small size and impact of a 12'' driver are desired. Extending the frequency response of these systems to below 40Hz this highly efficient design is capable of providing output levels normally associated with considerably larger enclosures. A system suited to background music playback in applications ranging from clubs, bars and cafes, right through to