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Discussion Starter · #1 · (Edited)
The System 400 by OEM Audio Plus

The OEM Audio Plus System 400 sound solution for the 2011-2014 WRX/STI Sedan vehicles. Look we're not going to sugar coat it or even bother exaggerating: This is the most amazing sound system you'll find and it's made specifically for YOUR Subaru WRX/STI Sedan.




QUICK LINKS:
System 400 on O+.com
O+ on Instagram
O+ on Facebook

WHATS INCLUDED?:
• Multi-Channel 32-Bit DSP Amplifier (360 Watts RMS @ 2-ohms)
• Subwoofer Amplifier (120 Watts RMS @ 2-ohms)
• 8'' Dual Voice-Coil Carbon Fiber Subwoofer System
• Vehicle-Specific Subwoofer System
• Quick-Sync "Plug & Play" Wiring Harness
• Factory Speaker Optimization
[More detail on all of the above BELOW]

TOOLS NEEDED:
• Panel Tool
• Socket Wrench
• Socket (10mm, 14mm)
• Socket Extension (6"+)
• Wrench (10mm)
• Screwdriver (#2 Philips)
• Pliers
• Pick Tool (Optional)
• Wire Strippers / Crimpers
• Heat Gun / Torch
• Electric Tape

The Promise of OEM Audio Plus:
We not only guarantee the quality and reliability of every OEM Audio Plus sound system; We are confident you will not find a better sound experience for the money. Each O+ Solution is designed from the ground up to deliver high fidelity sound reproduction without compromising the integrity of your vehicle (i.e. space, functionality, weight, performance or warranty).

We believe in sound reproduction accurate to the recording artist’s intent. Each solution is tuned specifically based on the acoustics, radio output and components of your vehicle. The moment you plug in your O+ solution you will experience our signature sound (No tinkering necessary).

Features / Specifications:
- WRX/STI specific design and tuning
- D.I.Y. / Plug and play installation
- No splicing, drilling of holes or customization of body panels for installation.
- Optimized for all vehicle factory radios and most aftermarket options
- Vehicle factory warranty remains completely intact when installed according to instructions.

SIGNATURE TUNING
- Tuned exclusively for the vehicle acoustics of the WRX GR
- Vehicle undergoes extensive acoustic measuring (using proprietary six microphone array)
- Every component (both stock and O+) is measured to determine the influence of the interior acoustics of the vehicle.
- Objective adjustments only go so far the final O+ sound is only achieved through extensive listening sessions amongst our sound engineers and O+ peers.
- Experience full dynamic sound reproduction from the front woofers (factory or O+) without the rattle commonly associated with the factory system.

AMPLIFICATION (2)



8 Channel 32-Bit DSP Power Amplifier
- 360 Watts RMS (Continuous / @ 2-ohms)
- Cirrus-Logic 32-Bit Digital Signal Processing
- Real-time system diagnosis for trouble-free operation
- Meets all OEM standards including AEC-Q100



Dedicated Subwoofer Amplifier
- 180 Watts RMS (Continuous / @ 1-ohms)
- Low Voltage / Short Circuit Protection



- OEM grade: reliable performance & operation for the life of your vehicle.
- Programed O+ Signature Sound (Experience unmatched audio the moment you plug it in)
- Clean, unadulterated, undistorted power.
- Mounts underneath front passenger side seat using existing mounting locations for minimal footprint and ease of installation.



QUICK-SYNC WIRING HARNESS
- Connects seamlessly to factory harness and radio
- Constructed of genuine OEM connectors (sourced from Tyco, Sumitomo and Yazaki) to ensure perfect connection and maintain 100% signal integrity every time.
- OEM Fuse Holder Assembly featuring element proof butt-connectors and built-in solder
- Weighs under 4lbs / 1.8kg



SUBWOOFER SYSTEM
- 8" Dual Voice-Coil Woofer (1.2 + 1.2 ohms impedance)
- Genuine Carbon Fiber Cone Woofer
- 100W RMS (200 Peak)
- Sensitivity 88.9dB (1 W,1M)
- Frequency Response: 20 -1000 Hz



- WRX/STI Sedan-Specific 14 Liter Sealed Fiberglass Enclosure
- Tailored minimalist design: All your vehicle's space, all your music's bass



-Weighing in at 11.1lbs / 5.05kg
-Powered by Dedicated Subwoofer Amplification



-Utilizes existing trunk liner fastener locations (no drilling necessary)





Standard Enclosure Finish (Satin Black)
*Factory Color Match Enclosure option (+$200 / 14 Day Lead-time)

Compatibility:
• 2008-2014 Subaru WRX/STI - Sedan

Price:
System 400 | $1099 (+tax to California Residents)


Where to buy:
- System 400 will be available directly through O+.com
- 6 Month Financing available through PayPal Bill Me Later (More Details)

Now Available | Learn More

Warranty:
3 year / 36,000 Miles from the date of receipt (operational failure). All components are subject to co-exchange. We stand by the quality and functionality of all O+ systems whether install at your dealership or D.I.Y.

Shipment:
System 400 price includes standard ground freight in the continental US ONLY. Alaska, Hawaii, Puerto Rico and any International order will have additional freight charges. Shipping quote available via: [email protected]

The Uniqueness of OEM Audio Plus

We are sensitive to the way your car is designed. The System 400 solution are OEM-Grade solutions that leave your car functioning the way it should off the lot. Not putting additional useless weight (disrupting the balance of the car).

We only design and offer products that guarantee unmatched sound quality, ease of installation, proven reliability and enjoyment ----- We built this product for you!

Let us know if any questions or requests!!

QUICK LINKS:
System 400 on O+.com
O+ on Instagram
O+ on Facebook
 

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Discussion Starter · #7 · (Edited)
Is this simply adding a subwoofer to the factory system? Or does this actually alter the sound from the factory head unit?
^Same question!
Great question(s)! More than a sub!! The OEM Audio Plus System 400 is a complete sound solution featuring Plug and Play Installation, Premium Sound Reproduction tuned specifically for the acoustics of your vehicle and our Satisfaction Guarantee.

The heart of this system is our Power Amplifier (32-Bit Digital Signal Processing) - Our Amplifier allows us to control the entire acoustical element of your listening experience from your head-units high level output (factory connectors). The O+ DSP converts your source analog signal into digital, than that signal goes through the DSP circuit; it is here that we do our magic!! The end result is our signature sound reproduction: Clean, Crisp, Clear.

The Power Amplifier is just one piece of the full solution. The kit also includes our Vehicle-Specific corner mounted Subwoofer (as noticed), dedicated subwoofer amplifier and Quick-Sync Wiring Harness.

Here is the recently published Hatchback Installation video. You can expect the same type of integration for the Sedan solution only a difference in sub design.


Let us know if any additional Questions or Requests!
 

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Great question(s)! More than a sub!! The OEM Audio Plus System 400 is a complete sound solution featuring Plug and Play Installation, Premium Sound Reproduction tuned specifically for the acoustics of your vehicle and our Satisfaction Guarantee.

The heart of this system is our Power Amplifier (32-Bit Digital Signal Processing) - Our Amplifier allows us to control the entire acoustical element of your listening experience from your head-units high level output (factory connectors). The O+ DSP converts your source analog signal into digital, than that signal goes through the DSP circuit; it is here that we do our magic!! The end result is our signature sound reproduction: Clean, Crisp, Clear.

The Power Amplifier is just one piece of the full solution. The kit also includes our Vehicle-Specific corner mounted Subwoofer (as noticed), dedicated subwoofer amplifier and Quick-Sync Wiring Harness.

Here is the recently published Hatchback Installation video. You can expect the same type of integration for the Sedan solution only a difference in sub design.

movie

Let us know if any additional Questions or Requests!
Thank you for the reply. I've got another question, and I am posting this rather than PM'ing you just in case there are other people that may be in a similar situation.

My car is a 2013 wrx sti limited, with the factory navigation and the accessory kicker sub. From that point, I've replaced the factory navigation head unit with a Kenwood DNN990HD.

Kenwood Excelon DNN990HD Navigation receiver with Wi-Fi® (Factory Refurbished) at Crutchfield.com

Once I did that, I replaced the amplifier that came with the kicker Subaru sub with a JBL 500 watt amp, swapped all the speakers and tweeters in the car with Focal k2 speaker (front and rear).

Focal K2 Power 165 KR2 6-3/4" component speaker system at Crutchfield.com

My question to you is two fold.

1. Can I buy and use your kit with the current speakers I have in the car? Instead of using the sub-woofer & amp supplied in the kit, can I use the sub I already have?

2. Knowing I have the Kenwood head-unit in my car right now. I am planning on having this head unit-installed to replace my Kenwood unit.

Would I see any better sound acoustics with your kit going this route?
 

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ok.... I had mine installed earlier.....

had a chance to listen to it on my way back home from the install site.....

... I would say.. BIG difference from stock..... and the system install is pretty clean... really top quality product.... sound is clean and crisp...

(I'll post pics when I get a chance to take some.....)

:tup: for this product....
 

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Any word on weather this set-up will work with the new non-navigation starlink system that comes with the 2016 WRX?

Thanks
 

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Love the concept, very well designed and executed.

You guys should work out a deal with Subaru to install these as a factory option.
 
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