T1682 Sundown Model: Ground Zero GZRW 8XSPL D2 DSP Model: Ground Zero GZRW 8XSPL D2 ✓ Chassis with particularly low installation depth optimized for compact and very flat cabinet designs✓ 1 x 2 Ohm or 2 x 2 Ohm voice coil✓ Magnet system with threaded hole on the rear allows screwing to the rear wall of the cabinet to stabilize and reduce cabinet vibrations✓ Enormously torsion resistant sandwichpaper cone✓ Long stroke rubber surround for maximum mechanical resilience✓ Robust magnet cover with HELIX lettering to protect the magnet✓ Enclosure connection terminal 2 Rockford Fosgate T1682 2 way coaxial speakers they deliver powerful and detailed music playback and are ideal for upgrading factory installed speaker systems to a high standard