R35 GTR Twin DD 506 Box


*Clearance Item*

This item is for the Gen5 Twin 6.5 subwoofer enclosure equipped with two Digital Design RedLine 506 subwoofers. This is the first GTR subwoofer configuration equipped with two 6.5″ subwoofers to proactively respond to rising industry trends for small diameter and high-performance subwoofers. The DD 506 is hailed as the top subwoofer in its class and has been recently remodeled with an upgraded suspension, dust cap, and metallic red logos. Make no mistake, this twin 6.5″ setup packs a serious punch as DD Audio has a long pedigree of high-output competition subwoofers. Please note that these subwoofers are rated for up to a total power handling of 800 continuous watts at 2 ohms. A quality amplifier that delivers the rated power is highly recommended for optimal performance.

Housing the subwoofers is the highly regarded Gen5 twin curved subwoofer enclosure. The enclosure for the twin 6.5″ system has additional internal reinforcement to prevent baffle flex while also incorporating internal corner bracing to reduce air turbulence. Internal airspace is further expanded using a calculated area of BlackHole stuffing. Threaded inserts are built into each enclosure on the sides and rear for using bolts for mounting and attaching accessories as opposed to screws. Enclosures are finished with gold hardware, gold terminals, and a 1/4″ layer of high-density foam with upholstery that is nearly identical to the factory GTR interior. A rear centre console cover and rear deck cover is included to carry the OEM stitching from the front arm rest, through the rear console, and onto the subwoofer enclosure.

This kit includes:

  • Xtreme Audio twin 8″ sealed curved subwoofer enclosure
  • 2 Digital Design RedLine 506 subwoofers
  • Enclosure mounting brackets and hardware
  • Rear console cover
  • Rear deck cover

Out of stock


 Technical Specifications

  • 800 RMS watts (continuous power handling).
  • 9mm excursion
  • 139.8 cm^2 Surface area (per sub)
  • 2 ohm load
  • Gold plated speaker terminals
  • 10 gauge pure copper speaker wire

Please see the comparative sound chart below. Note that the phrasing is very generalized and the performance and sound quality are excellent for all options. There are however slight differences between the final sound of each system as a result of the different technologies that each subwoofer manufacture uses such as their cones, venting, magnets, etc.