The all new 300 Series “e” revision comes to us with 10” and 12” models featuring 2.5” voice coils and 100oz magnet motors. These new drivers bring increased sensitivity, Xmax, and excursion control to deliver powerful bass from higher efficiency enclosures on 250 to 500 Watts RMS. Upgrades to this series include cones with fiberglass loaded non-pressed treated paper, taller and thicker EROM surrounds with black stitching, heavier dual layer spiders with integrated tinsel leads, and new basket and motor boot designs elevating cosmetics with DD branding.