ATC has made substantial improvements to their middle-of-the-range subwoofer which include a new 300-watt Class A/B amplifier and custom built 12-inch Sub-bass Driver ... Sub Mk2 follows the original ...

But apparently, we ain’t seen (or heard) nothing yet: the company has just announced a new 12-inch, 750-watt subwoofer for the Dragon, which can be added as an upgrade to existing systems for $ ...