Rockford Fosgate RFIT-6 Powersport Subwoofers Package includes grilles so they

Package includes grilles so they look as good as they sound

automatic and manual tuning via PC uses an external measurement microphone like Alpine's KTX-CSP1 and USB connection to amp (cable included)

3 Fs (Hz) 42 Qes 0

relative to the gain setting on the subwoofer chassis

Will not fit Crew Cab or Standard Cab trucks

Rockford Fosgate RFIT-6 Powersport Subwoofers Package includes grilles so they10 feet (1. 8 meters) dual twist RCA cable with woven outer shield. Dual twist design for excellent noise rejection, 6 cut connector, and split center pin for a secure connection, woven outer shield for durability. Features: OFC (Oxygen Free Copper) for corrosion resistance Platinum plated ends for corrosion resistance Woven outer shield for durability Outstanding sound transfer RFI and EMI noise rejection 6 cut connector and split center pin for