This Acoustic Audio 5.1 channel multi-speaker system features five, 3" black surround sound speakers and one maple 12" powered audio subwoofer. Each CUBE35B full-range speaker is equipped with a 3" polypropylene woofer combined with a 1/2" Neo-dome tweeter built to handle up to 200 watts of power per speaker. They are constructed of a lightweight yet durable, ABS plastic cabinet and protected by detachable, stainless-steel mesh grills. Their size, shape and overall functionality make these speakers ideal for any monitor or surround sound application whether it be; inside the home, outdoors or on the boat. The Acoustic Audio HDSUB12M maple powered subwoofer features: a high-current 800 watt amp, which drives its front-firing 12" woofer, MDF maple bass-reflex enclosure and a 24Hz to 250Hz frequency response that delivers thumping bass.