JL Audio XD-RT4-4PAK Marine Subwoofers This highly advanced Subwoofer offers

This highly advanced Subwoofer offers several technologies shared with the flagship W7AE subwoofers to provide powerful advantages in motor linearity and suspension behavior

m) Blue Remote Turn-On Lead Wire

6-1/2" or 6-3/4" speakers in your factory speaker openings

Rockford Fosgate M5-800X4 marine/powersports 4-channel amplifier

JL Audio XD-RT4-4PAK Marine Subwoofers This highly advanced Subwoofer offersCrimpable Power Rings for 4 AWG Wire 4 Pack Malleable, pure copper construction Marine grade stannum plating to resist corrosion Two red and two black insulator sleeves are included A professional grade crimping tool is required to properly crimp these rings! Support: USA Limited Warranty: Two (2) years from the original date of purchase Warranty Details