This is the daddy of all subwoofers, weighing in at a colossal 42½kg. If only the very best will do and you have a very large room, the MJ Acoustics Reference 800 is the subwoofer for you. The Reference 800 has a massive 800 watts hence the name! It uses a 460mm ultra long throw super-rigid cast alloy radial sub-bass driver, which means it's built to last and built to drive! This truly amazing MJ Acoustics subwoofer has no limits. Stand over 50 feet away and the sound wave from the Reference 800 will still hit you which is a testament to the mind-boggling power. As with every other subwoofer from MJ Acoustics, the Reference 800 has two crossovers for that perfect stereo and movie integration. Call us on 01282 864048 for any further info on the MJ Acoustics Reference 800 subwoofer.