This Acoustic Audio 7.1 channel multi-speaker system features six, 6.5" in-wall/ceiling speakers, a dual 6.5" center channel and one maple 12" powered home audio subwoofer. These MT6 250 watt (125W RMS) in-wall speakers mount flush in a wall or ceiling for nearly invisible installation and have paintable white grills that can be modified to match any individual decor. They contain a 6.5" woofer and a high rigidity polypropylene cone with extended throw drive assembly, along with a 12mm soft dome tweeter. The CC6 300 watt (150W RMS) in-wall or ceiling center channel speaker contains two 6.5" woofers, a high rigidity polypropylene cone with extended throw drive assembly and a 12mm soft dome tweeter. They also have a white paintable grill. The Acoustic Audio HDSUB12M maple powered home 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.