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Dual Subwoofer Option | For Existing O+ Owners

ORDER NOW (Made-to-Order 14-21 Day Lead-time)

You asked for it… OEM Audio Plus is proud to offer our Tacoma 450Q owners a next level listneing experience. After launching the Reference 450Q complete sound solution for the Tacoma, we have received frequent requests to make an upgrade path available to the owners who are desiring a bit more bass… Here it is.


  • 8” Dual Voice-Coil Carbon Fiber Cone Subwoofer System
  • Vehicle-Specific Sub enclosure (14 Liters of Air Volume)
  • Subwoofer Amplifier (300 Watts)
  • Installs Seamlessly with Exiting 450Q Series Solution
    • No need to send O+ amplifier in for retuning.
  • Plug-and-Play Wiring Harness
  • Output gain control knob

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