The Polk Monitor MXT12 is a powered subwoofer featuring 12” Dynamically Balanced woofer in a ported cabinet, powered by a clean and ultra-efficient 100W Class A/B amplifier delivers bass, adding more punch and impact to your favorite music, movies and video games. It is compatible with both the latest Dolby Atmos and DTS:X enabled AV receivers

The all new 9x has even greater output than before, but the headline news is the way it sacrifices nothing in clarity and transparency to achieve this. At this price it opens the pathway for owners of high performance European floor and stand mounted monitors and smaller panel speakers to enjoy truly full range sound.