Garage
Shop
Account Icon
Account
Box Icon
Track
order
Telephone Icon
Call
Help Icon
Help
Door with Arrow Icon
Sign In

2009 Subaru Legacy

Change vehicle | Remove vehicle

The best Under Front Seat Speakers for 2009 Legacy

Overview Upgrade your Stereo Upgrade your Speakers Add a Subwoofer Add an Amplifier Digital Sound Processors Audio Installation & Accessories Add a Backup Camera Dads & Grads Sale

Under Front Seat for 2009 Subaru Legacy

Shop and compare by low prices and top features on Under Front Seat Speakers that fit your Subaru Legacy. After you add to cart, we'll also make sure you get an affordable car speakers install easily with speaker adapters, speaker harnesses and other accessories like sound damping and panel tools to make installation a breeze.

Filters
filter-icon Filters & Sort

DS18 PRO-X8.4BM (Sold Individually)

550W Peak (275W RMS) 8” PRO-X Series 4-ohm Mid-Range Loudspeaker

PRO-X8.4BM big
Go to item page Right Arrow Icon of Right Arrow

DS18 PRO-X8.4BM (Sold Individually)

550W Peak (275W RMS) 8” PRO-X Series 4-ohm Mid-Range Loudspeaker

• 550 watts Peak Each, 275 watts RMS Each
• Aluminum Bullet Tweeters
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 96 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
1
$70.95

In stock

Add to Cart
Used from: $49.67
See all 5 special offers

DS18 PRO-X8.4BM (Sold Individually) (Open Box, Great)

550W Peak (275W RMS) 8” PRO-X Series 4-ohm Mid-Range Loudspeaker

PRO-X8.4BM big
Go to item page Right Arrow Icon of Right Arrow

DS18 PRO-X8.4BM (Sold Individually) (Open Box, Great)

550W Peak (275W RMS) 8” PRO-X Series 4-ohm Mid-Range Loudspeaker

• 550 watts Peak Each, 275 watts RMS Each
• Aluminum Bullet Tweeters
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 96 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
List price $70.95
-30% $49.67

In stock

Only 1 Left!

Add to Cart

• 550 watts Peak Each, 275 watts RMS Each
• Aluminum Bullet Tweeters
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 96 dB

DS18 PRO-X8.4BM with Speaker Installation Kit

Includes: (2) 8” Mid-Range Loudspeaker, 2 Piece Silicone Rubber Speaker Ring Kit, Sound Damping Kit, Installer Panel Removal Tool Kit, Rubber Roller

(2) PRO-X8.4BM, XBAF8, SDRLR1, SDSK2, BTK106 big
Go to item page Right Arrow Icon of Right Arrow

DS18 PRO-X8.4BM with Speaker Installation Kit

Includes: (2) 8” Mid-Range Loudspeaker, 2 Piece Silicone Rubber Speaker Ring Kit, Sound Damping Kit, Installer Panel Removal Tool Kit, Rubber Roller

• 500 watts Peak
• 275 watts RMS
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 96 dB
• Mounting Depth: 3.11"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
141
List price $224.61
-16% $187.71

In stock

Only 3 Left!

Add to Cart

• 500 watts Peak
• 275 watts RMS
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 96 dB
• Mounting Depth: 3.11"

Factory Speaker Replacement Package for 1990-1994 Subaru Legacy | NVX

Simple plug and play installation, no cutting required

90-94-subaru-legacy-spkg big
Go to item page Right Arrow Icon of Right Arrow

Factory Speaker Replacement Package for 1990-1994 Subaru Legacy | NVX

Simple plug and play installation, no cutting required

• Peak Power: 270W Each
• RMS Power: 90W Each
• 20mm Silk Dome Tweeter
• Mounting Depth: 2-7/16"
• Polypropylene Woofer Cone
• 4 Ohm Impedance
• Sensitivity: 89dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your Legacy
101
List price $245.96
-47% $130.80

In stock

Add to Cart

• Peak Power: 270W Each
• RMS Power: 90W Each
• 20mm Silk Dome Tweeter
• Mounting Depth: 2-7/16"
• Polypropylene Woofer Cone
• 4 Ohm Impedance
• Sensitivity: 89dB

 
    Clear all
    why-shoping-with-sonic

    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
    Why Shop With Us?
    FAQ for Under Front Seat Speakers in 2009 Legacy

    Q: Can I upgrade or change the Under Front Seat Speakers in 2009 Subaru Legacy?

    A: Yes this page includes all the best Under Front Seat Speakers that work in your Legacy.

    Save up to 10 different vehicles in your garage
    Vehicle
    Store     Delete

    2009 Subaru Legacy

    2014 Ford Explorer

    2006 Ford Fusion

    2012 Audi A7 Quattro

    2013 Kia Forte

    2003 Dodge Durango

    1984 Chrysler E Class

    2021 Audi A5 Sportback

    2020 Chrysler 300

    2017 Subaru Outback

    Add vehicle Clear all vehicles
    Where to find vehicle info
    Are you sure you want to clear your garage?
    This action cannot be undone. Confirm

    Cancel

    This category was not designed for products.
    If you continue, you will be redirected to a category customized for your vehicle. Continue

    Cancel

    Shop your 2009 Legacy
    Why Use a Vehicle Fit Guide?
    Change vehicle | Shop without vehicle
    Whoa! Slow down. Add your details below!
    additional information required
    Add vehicle details to confirm fitment
    Ignore fitment details
    Find stereos and more that work -- fast.

    Additional information:

    Remove

    Can't find your vehicle? Click here and we'll help.

    Where to find vehicle info

    Go to Fitment

    Didn't find your car?

    Submit your details and we'll help!
    Please enter the letters as they are shown in the image above. Letters are not case-sensitive.
    Identify your vehicle and submodel details
    • Owner's manual
    • Vehicle's insurance card
    • Vehicle registration
    • Vehicle produced after 2005: Inside driver's side door
    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
    Car Info Side Door Icon
    Vehicle Registration Icon
    Vehicle Insurance Icon
    Back

    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
    • You get the correct accessories the first time

    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.

    Back
    Track your order
    Call our experts
    Support Center
    Return & Exchanges
    Follow on Instagram Instagram logo
    Subscribe on YouTube YouTube logo