The Drumfire is the most powerful active speaker of the Audio Pro's portfolio. It consists of a D-1 module with a power of 100 W supplemented by an active D-Sub subwoofer with a power of 200 W. It is equipped with a 2 x 1" tweeter and a 2 x 4.5" mid-bass driver, which is powered by a 40 W class D digital amplifier with frequency range 45 - 22,000 Hz. The whole system, including the active subwoofer, which is equipped with an 8" driver, works in class D and offers a total power of 300 W. The frequency range of the D-Sub module is 30-150Hz.