Ground Zero Titanium Line 8,7 cm 2-way coax with superdome tweeter, 50 / 90W, no grill The Ground Zero Titanium Line is designed to offer high quality design and build quality at an affordable price

The Radioactive GZRF 42XII 4" 100W coaxial speakers have a high efficiency design to make the most of your head-unit or amplifiers power and feature rigid glassfibre cones for tight dynamic bass.

The Radioactive GZRF 52XII 5.25" 110W coaxial speakers have a high efficiency design to make the most of your head-unit or amplifiers power and feature rigid glassfibre cones for tight dynamic bass.

The Ground Zero Competition Line is based on professional studio engineering technology. These products allow unsurpassed live concert style maximum sound levels in your car. With extreme high power handling, tremendous efficency and wide frequency response, these speakers are not for the faint hearted.