This Acoustic Audio 5.1 channel multi-speaker system features five, 4" white all-weather, indoor/outdoor speakers and one white 10" powered audio subwoofer. Each AW43W full-range speaker is equipped with a 4" polypropylene woofer combined with a Mylar Piezo tweeter built to handle up to 150 watts of power (75W RMS) per speaker. They are constructed of a lightweight yet durable, ABS plastic, weather resistant 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. Water-resistant mounting brackets are included at no charge. The Acoustic Audio RWSUB10 white powered subwoofer features: a high-current 400 watt amp, which drives its down-firing 10" woofer, MDF white bass-reflex enclosure and a 26Hz to 250Hz frequency response that delivers thumping bass.