Amplinq OEM direct fit Sound Upgrade

Select Lexus 2001-2009 with Mark Levinson package
Selected configuration price:
$279.95 USD

Amplinq converter and wiring

Included: Amplinq amplifier converter kit and OEM-specific wiring at amplifier location

  • Amplinq lets you integrate aftermarket speakers, amplifiers, and subwoofers to your vehicle while keeping all OEM functionality of the headunit intact
  • Balance, Fader, EQ, Volume, Chimes, Navigation prompts are preserved
  • Includes connecting cables that plug in place of the OEM amplifier
  • Choose the parts you need below. By selecting GROM-supplied parts, you will make sure you have everything needed for the install without guessing

Output for DSP or Amplifier

Speakers and Accessories

Subwoofer Accessories

Amplinq is the simplest way to upgrade your vehicle’s factory “Premium” audio system—without sacrificing any OEM functionality.

Modern premium systems already have speakers placed in the right locations, but they often lack the power and clarity needed for truly great sound. Amplinq solves this by allowing you to replace the factory amplifier with a more powerful aftermarket solution—while keeping everything else exactly as it was.

With our plug-and-play design, installation is seamless. All factory features remain fully functional through your original head unit, including chimes, navigation prompts, phone calls, and audio controls. No reprogramming, no compromises.

Once installed, Amplinq lets you:

  • Remove the factory amplifier completely
  • Add your choice of high-performance aftermarket amplifier(s) and DSP(s)
  • Upgrade speakers, tweeters, and subwoofers
  • Retain all factory wiring, connectors, and integration
  • All connections—speakers, subwoofers, tweeters, and power—remain intact using vehicle-specific matching plugs and harnesses.

    Reusing factory locations and connectors makes sure you do not need custom fabrication. No visible modifications. No extra batteries or complex rewiring. Your interior stays 100% factory, just with dramatically improved sound.

    Amplinq delivers 5 channels (front, rear, subwoofer) of clean, full-range audio directly from your factory stereo. It eliminates the need for LOCs, signal summing, or additional processing — preserving sound quality from start to finish.

    Use it with or without a DSP, depending on your setup. Either way, you get a predictable installation procedure, controlled costs, and a system that looks stock, but sounds anything but.

    The easiest connection diagram is shown below. Simple, affordable, and ready for a step up if needed.

    The ultimate control and precision connection diagram is shown below. Tons of features and still plug-n-play. Choose your own DSP for the purpose and enjoy !

  • 96KHz @ 32bit internal processing for cleanest output
  • AKM top-tier ADC and DAC for spotless audio reproduction
  • 4V RMS output signal for optimal THD on any DSP/amplifier
  • Automatic input sensing to provide a stable signal from OEM inputs (Chimes, Navigation prompts, Phone calls, Main audio, etc.)
  • Flat output of the factory radio signal, no need to use DSP, can be used directly with any aftermarket amplifier
  • Updates via USB stick for future enhancements
  • Lexus ES 300 330 350 2002 2003 ( Mark Levinson )
    Lexus ES 300 330 350 2004 ( Mark Levinson )
    Lexus ES 300 330 350 2005 2006 ( Mark Levinson )
    Lexus GS 300 430 2001 2002 2003 2004 2005 ( Mark Levinson )
    Lexus GX 470 2003 2004 ( Mark Levinson )
    Lexus GX 470 2005 2006 ( Mark Levinson )
    Lexus LX 470 2001 2002 ( Mark Levinson )
    Lexus LX 470 2003 ( Mark Levinson )
    Lexus LX 470 2004 2005 2006 2007 ( Mark Levinson )
    Lexus RX 330 350 400H 2004 ( Mark Levinson )
    Lexus RX 330 350 400H 2005 2006 ( Mark Levinson )
    Lexus SC 430 2005 2006 2007 2008 2009 ( Mark Levinson )
    Select Lexus 2001-2009 with Mark Levinson package
  • Amplinq module with flat 5-channel output, ready for DSP or amplifier
  • Vehicle-specific harness to connect at amplifier location. OEM amplifier has to be disconnected !
  • Audio ouput wires for any aftermarket amplifier (5 x RCA)
  • Operation and Installation manual
  • AMT (Air Motion Transformer) tweeters with mounting brackets/pods and plug-n-play harnesses (optional)
  • Speaker rings and plug-n-play harnesses (optional)
  • Subwoofer ring and plug-n-play harness (optional)
  • Foam and sealant (optional)
  • We ship internationally. For rates and delivery times please see this chart
    Warranty
  • 30 days money back guarantee
  • 18 month replacement warranty
  • Returns
  • 100% satisfaction guarantee - 30 days return for any reason
  • 1 year manufacturer repair/replacement warranty
  • All returned items should be requested on Support page
  • Without RMA, the returns are not accepted!