: Systems like the DUO GT use active iTRON current amplifiers and DSP-controlled subwoofers (up to 1,000 watts) to manage low-frequency "extremes" in any room.

The Extreme 44 is a 4-way, fully active or passively bi-amplified system comprising:

: It is the world’s first automatic double tourbillon where 97% of the components are in perpetual motion.