Car Compact Subwoofer 12 inch Passive Radiator Slim Enclosure 900 Watts VIBE

A : An active enclosure is an all in one solution where the subwoofer, amplifier and enclosure are all in one single unit making installation easy and compact. A passive enclosure is a subwoofer and enclosure without an amplifier, these are often louder than an active enclosure but require a separate amplifier to power them.