OEM Audio Plus

A rally legend never sounded so good

’22+ Subaru WRX Systems

Our solutions for your WRX will take your audio experience to new heights. The three systems below are designed to provide substantial improvements from the factory equipped audio. Enjoy the drive!

  1. Reference 500 – takes our full system approach, replacing all speakers, adding two dedicated amplifiers, and our WRX specific subwoofer system. All with plug-and-play simplicity.
  2. System 500 – provides the upgrade pathway between our speaker upgrade and our Reference 500 system utilizing our DSP amplifier and our WRX specific subwoofer system with dedicated amplifier.
  3. Speaker Upgrade – Begin your journey to Clean, Crisp and Clear sound by this simple upgrade.

Reference 500

speakers, amplifier, & subwoofer

This complete system will transform the audio experience of your WRX. Includes replacement speakers for dash and front/rear doors, a multi-channel DSP amplifier with quick-sync wiring harness, a dedicated subwoofer amplifier, and a custom fit subwoofer enclosure with 8” subwoofer. Our proprietary tuning process features hundreds of parameters that are dialed-in specifically to optimize the result for the WRX. The result is Clean, Crisp and Clear!

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Kit Includes

  • Front 1″ Soft Dome Tweeter Pair
  • Front 6″ x 9″ Carbon Fiber Woofer Pair
  • Rear 6.5″ Carbon Fiber Woofer Pair
  • Multi-Channel 64-Bit DSP Power Amplifier
  • O+ Signature Sound Reproduction
  • 8″ WRX-Specific Subwoofer System
  • Quick-Sync Wiring Harness
  • Dedicated Subwoofer Amplifier

Specifications

FRONT 1″ SOFT DOME TWEETERS

  • Silk Soft Dome
  • 4-ohms
  • 50W RMS (100 Peak)
  • Sensitivity 91.8 dB (1W,1M)
  • Frequency Response: 3,000-20,000 Hz
  • Built-in 6db/Oct. High Pass Filter
  • Neodymium Magnet Structure

FRONT 6″ X 9″ WOOFERS

  • Carbon Fiber Cone
  • 2-ohms
  • 50W RMS (100 Peak)
  • Sensitivity 90.2 dB (1W,1M)
  • Frequency Response: 50-12,000 Hz
  • Neodymium Magnet Structure

REAR 6.5″ WOOFERS

  • Carbon Fiber Cone
  • 2-ohms
  • Sensitivity 86.5 dB (1W,1M)
  • Frequency Response: 55-14,000 Hz
  • Neodymium Magnet Structure

MULTI-CHANNEL 64-BIT DSP POWER AMPLIFIER

  • 360 Watts RMS (Continuous / @ 2-ohms)
  • Cirrus-Logic 64-Bit Digital Signal Processing
  • Real-time system diagnosis for trouble-free operation
  • Meets all OEM standards including AEC-Q100

WRX SUBWOOFER SYSTEM

  • 8″ Subwoofer
  • 100W RMS (200 Peak)
  • Sensitivity 88.9dB (1 W,1M)
  • Frequency Response: 20 -1000 Hz

DEDICATED SUBWOOFER AMPLIFIER

  • Adds More Headroom + Low-Frequency Extension
  • 500 Watts RMS

System 500

amplifier & subwoofer

Primarily designed as an upgrade path for customers who have previously purchased our speaker upgrade package, the System 500 brings your system up to Reference 500 specifications. This system includes a DSP amplifier, dedicated subwoofer amplifier, quick-sync harness, and 8” subwoofer in a WRX specific enclosure.

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Kit Includes

  • Multi-Channel 64-Bit DSP Power Amplifier
  • O+ Signature Sound Reproduction
  • 8″ WRX-Specific Subwoofer System
  • Quick-Sync Wiring Harness
  • Dedicated Subwoofer Amplifier

Specifications

MULTI-CHANNEL 64-BIT DSP POWER AMPLIFIER

  • 360 Watts RMS (Continuous / @ 2-ohms)
  • Cirrus-Logic 64-Bit Digital Signal Processing
  • Real-time system diagnosis for trouble-free operation
  • Meets all OEM standards including AEC-Q100

WRX SUBWOOFER SYSTEM

  • 8″ Subwoofer
  • 100W RMS (200 Peak)
  • Sensitivity 88.9dB (1 W,1M)
  • Frequency Response: 20 -1000 Hz

DEDICATED SUBWOOFER AMPLIFIER

  • Adds More Headroom + Low-Frequency Extension
  • 500 Watts RMS
  • Class D (95% efficient)
  • Includes Gain Control Knob for precision adjustability

QUICK-SYNC WIRING HARNESS

  • Maintains all factory functionality
  • Constructed of genuine OEM connectors
  • Fuse Holder Assembly uses element proof butt-connectors w/ built-in solder

Speaker Upgrades

speakers only

Speakers are the “voice” of the system. OEM Audio Plus speaker upgrades provide a substantial improvement in sound quality and are designed to reveal greater detail, provide wider frequency response, and produce more output than your factory speakers. Hear your favorite music again, for the first time!

Couple our strict design and engineering criteria for sound quality with our completely plug-and-play approach to installation and integration and you have a combination that will transform your listening experience. Zero vehicle modifications and superb results.

This upgrade includes replacement speakers for all 6 factory locations. Installation time is typically 1-2 hours and requires basic hand tools.

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Kit Includes

  • Front 1″ Soft Dome Tweeter Pair
  • Front 6″ x 9″ Carbon Fiber Woofer Pair
  • Rear 6.5″ Carbon Fiber Woofer Pair

Specifications

FRONT 1 SOFT DOME TWEETERS

  • Silk Soft Dome
  • 4-ohms
  • 50W RMS (100 Peak)
  • Sensitivity 91.8 dB (1W,1M)
  • Frequency Response: 3,000-20,000 Hz
  • Built-in 6db/Oct. High Pass Filter
  • Neodymium Magnet Structure

FRONT 6 X 9 WOOFERS

  • Carbon Fiber Cone
  • 2-ohms
  • 50W RMS (100 Peak)
  • Sensitivity 90.2 dB (1W,1M)
  • Frequency Response: 50-12,000 Hz
  • Neodymium Magnet Structure

REAR 6.5 WOOFERS

  • Carbon Fiber Cone
  • 2-ohms
  • Sensitivity 86.5 dB (1W,1M)
  • Frequency Response: 55-14,000 Hz
  • Neodymium Magnet Structure

Are you an HK Owner?

We are pursuing an upgrade pathway for 2022+ WRX/STI Harman Kardon system owners. Express your interest, get news and updates for this specific Sound Solution sent directly to your email inbox.

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