DD Audio 615D-D2 Redline 600 Series 15" 1800 Watts Subwoofer car care Constructed from custom-tooled solid brass

Constructed from custom-tooled solid brass with HPP platinum finish

Operation ModeSimplex or half Duplex with repeater talk around

Ford Transit Custom (2013 - 2017)

providing greater bass output and lower frequency extension

GJ (2012 - 2014)

DD Audio 615D-D2 Redline 600 Series 15" 1800 Watts Subwoofer car care Constructed from custom-tooled solid brassHand Built with The Same High Energy Design Philosophy as Their HiDef & Power Tuned Subwoofers REDLINE 600 Series Subwoofers The completely redesigned Redline 600 Series subwoofers have many things that make them better than their predecessors. The redesigned frames and suspension geometry allow for a lower Fs value as well as a larger trajectory. These two things will give you more low bass. The redesigned voice coils have higher heat resistance,