the dayton audio sub-800 8″ powered subwoofer machine is the precise addition to any domestic theater device. This powered sub functions a backside-firing, flared port, bass reflex design for reduced port noise and elevated bass reaction. It also makes use of an extended-throw eight” woofer and up to 80 watts of residence-shaking power. The amplifier functions high and coffee stage inputs and excessive degree outputs, a section transfer, unbiased extent manipulate, an automobile on/off switch (activated by way of an enter signal) and a variable 12 db electronic low skip filter out. This compact sub is completed in an unobtrusive black vinyl with a purpose to complement any decor.