R35 GTR Alpine S Traditional 8 Plug and Play (2009-14)



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Looking to upgrade the bass in your 2009-2014 R35 GT-R from the factory Bose system? The Alpine Twin 8 Bass upgrade is the signature system that delivers superior performance with remarkable clarity. The Alpine Twin 8 delivers bass you not only hear, but feel. Characterized by matte grey cones, this system looks as great as it sounds. This system can be heard over any aftermarket exhaust.

This item is for the full turnkey subwoofer upgrade and includes everything you need for the install. The install time takes approximately two hours depending on your install ability. This is a plug and play style install. All bolts match up to factory bolt locations, no wire cutting is required, no holes need to be drilled, and the front seats do not need to be removed. Tools required for the install are a flat screwdriver, 10mm socket driver, 14mm socket driver, 4mm Allen key. This kit includes:

  • Xtreme Audio twin 8″ sealed subwoofer enclosure
  • 2 Alpine 8″ type S subwoofer
  • JL Audio MX500 amplifier
  • LOC90 line converter with gain control
  • Amplifier rack
  • Pre-built plug and play wiring harness
  • Enclosure mounting brackets and hardware

Out of stock




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  • 500RMS watts (continuous power handling)
  • 1000watts (burst / peek power)
  • 2 ohm load
  • 12mm linear excursion
  • Gold plated speaker terminals
  • 10 gauge pure copper speaker wire 

Additional information

Weight 45 lbs
Dimensions 24 × 12 × 12 cm