Shallow mount slimline subwoofer; 300W RMS; 600W peak power; glass fiber reinforced cone; powder coated anti-resonant steel basket; nickel plated 12GA speaker terminal; Phoeniroll surround technology; KlaraForm Vented Kapton Former technology; 2” 4-ohm DVC KSV voice coil; optimized for sealed enclosures; high excursion CAE/CAD motor design; 11mm linear excursion