Garage
Shop

1990 Mercury Cougar

The best Rear Deck Corner Speakers for 1990 Cougar

Rear Deck Corner for 1990 Mercury Cougar

Shop and compare by low prices and top features on Rear Deck Corner Speakers that fit your Mercury Cougar. 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.

Loading...
filter-icon Filters & Sort

Infinity Reference 5030cx (REF5030CX)

390W Peak (130W RMS) 5.25" Reference Series 2-Way 3-ohm Component Speaker System

Reference 5030cx big
Go to item page Right Arrow Icon of Right Arrow

390W Peak (130W RMS) 5.25" Reference Series 2-Way 3-ohm Component Speaker System

• 195 watts Peak Each, 65 watts RMS Each
• 3/4" Textile Edge Driven Dome tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

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

Save up to $19 on install kits for this speaker

additional information required
Fits select locations in your Cougar.
Add vehicle details to confirm exact location.
2
List price $249.95
-60% $99.95 /set

In stock

Used from: $139.99
Limited time!

Infinity REF507CF (INFSPKRF507CFUS)

390W Peak (130W RMS) 5.25" Reference Series 2-Way 3-ohm Component Speaker System

REF507CF big
Go to item page Right Arrow Icon of Right Arrow

390W Peak (130W RMS) 5.25" Reference Series 2-Way 3-ohm Component Speaker System

• 195 watts Peak Each, 65 watts RMS Each
• 3/4" Textile Edge Driven Dome Tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $22.00 in rewards to spend later

install icon

Save up to $19 on install kits for this speaker

additional information required
Fits select locations in your Cougar.
Add vehicle details to confirm exact location.
List price $249.95
-12% $219.95 /set

In stock

NVX VSP525

480W Peak (160W RMS) 5.25" V-Series 2 Way Coaxial Car Speakers

VSP525 big
Go to item page Right Arrow Icon of Right Arrow

480W Peak (160W RMS) 5.25" V-Series 2 Way Coaxial Car Speakers

• 240 watts Peak Each, 80 watts RMS Each
• 1" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB
• Mounting Depth: 2.16"

2+ offers available
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $8.00 in rewards to spend later

install icon

Save up to $19 on install kits for this speaker

additional information required
Fits select locations in your Cougar.
Add vehicle details to confirm exact location.
23
List price $95.99
-17% $79.99 /pair

In stock

Continue to cart

Available Offers (2) for NVX VSP525
Offer image
Dads & Grads Sale! Save 15% at Checkout!
List price $95.99
-17% $79.99
$67.99 with coupon | Price details
2026-06-30 23:59:00
Free Speaker Accessory at Checkout!
Used from: $47.99 Like New from: $74.99
Limited time!

Polk Audio DB522 (DB 522)

600W Peak (200W RMS) 5.25" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

DB522 big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (200W RMS) 5.25" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

• 300 watts Peak Each, 100 watts RMS Each
• 3/4" Silk Dome tweeters
• UV-tolerant Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Save up to $5 on install kits for this speaker

additional information required
Fits select locations in your Cougar.
Add vehicle details to confirm exact location.
13
List price $109.99
-9% $100.00 /pair

In stock

NVX VSP525KIT

750W Peak (250W RMS) 5.25" V-Series 2 Way Component Car Speakers

VSP525KIT big
Go to item page Right Arrow Icon of Right Arrow

750W Peak (250W RMS) 5.25" V-Series 2 Way Component Car Speakers

• 375 watts Peak Each, 125 watts RMS Each
• 1" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB
• Mounting Depth: 2.04"

2+ offers available
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $10.00 in rewards to spend later

install icon

Save up to $7 on install kits for this speaker

additional information required
Fits select locations in your Cougar.
Add vehicle details to confirm exact location.
27
List price $119.99
-17% $99.99 /set

In stock

Continue to cart

Available Offers (2) for NVX VSP525KIT
Offer image
Dads & Grads Sale! Save 15% at Checkout!
List price $119.99
-17% $99.99
$84.99 with coupon | Price details
2026-06-30 23:59:00
Free Speaker Accessory at Checkout!
Limited time!

Pioneer TS-G1320S

500W Peak (70W RMS) 5.25" G-Series 2-way 4-ohm Coaxial Car Speakers

TS-G1320S big
Go to item page Right Arrow Icon of Right Arrow

500W Peak (70W RMS) 5.25" G-Series 2-way 4-ohm Coaxial Car Speakers

• 250 watts Peak Each, 35 watts RMS Each
• 1-3/16" Polyethylene Terephthalate (PET) Balanced Dome tweeters
• Mica Injected Polypropylene - MIPP cone material with Progressive Flex Suspension System (PFSS) spider
• Impedance: 4 ohm
• Sensitivity: 87 dB

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

Save up to $11 on install kits for this speaker

additional information required
Fits select locations in your Cougar.
Add vehicle details to confirm exact location.
7
List price $65.00
Save 31%
-31% $44.99 /pair

In stock

Used from: $39.99

JBL Stadium 52CF (Open Box, Great)

480W Peak (160W RMS) 5.25" Stadium Series 2-way Component 3-ohm Speakers

Stadium 52CF big
Go to item page Right Arrow Icon of Right Arrow

480W Peak (160W RMS) 5.25" Stadium Series 2-way Component 3-ohm Speakers

• 240 watts Peak Each, 80 watts RMS Each
• 3/4" Aluminum Edge-driven Dome tweeters
• Glass Fiber Plus One cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

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

Save up to $14 on install kits for this speaker

additional information required
Fits select locations in your Cougar.
Add vehicle details to confirm exact location.
List price $479.95
-34% $314.97 /set

In stock

Only 1 Left!

• 240 watts Peak Each, 80 watts RMS Each
• 3/4" Aluminum Edge-driven Dome tweeters
• Glass Fiber Plus One cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

Limited time!

Rockford Fosgate Prime R152-S

160W Peak (80W RMS) 5.25" Prime Series 2 Way Component 4-ohm Speakers

R152-S big
Go to item page Right Arrow Icon of Right Arrow

160W Peak (80W RMS) 5.25" Prime Series 2 Way Component 4-ohm Speakers

• 80 watts Peak Each, 40 watts RMS Each
• 1" Mylar Balanced Dome tweeters
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 85 dB

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Save up to $11 on install kits for this speaker

additional information required
Fits select locations in your Cougar.
Add vehicle details to confirm exact location.
26
$79.99 /set

In stock

Only 2 Left!

Used from: $67.99
Limited time!

AudioControl PNW-525

150W Peak (100W RMS) 5.25″ PNW Series 2-way 3-ohm Coaxial Car Speakers

PNW-525 big
Go to item page Right Arrow Icon of Right Arrow

150W Peak (100W RMS) 5.25″ PNW Series 2-way 3-ohm Coaxial Car Speakers

• 75 watts Peak Each, 50 watts RMS Each
• Hybrid Silk Dome tweeters
• Rigid Poly Mica cone material
• Impedance: 3 ohm
• Sensitivity: 88.41 dB

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $23.90 in rewards to spend later

install icon

Save up to $4 on install kits for this speaker

additional information required
Fits select locations in your Cougar.
Add vehicle details to confirm exact location.
1
List price $259.00
-8% $239.00 /pair

Available

Ships in 10-14 days

JL Audio C1-525x

100W RMS 5.25" C1 Series 2 Way Coaxial 4-ohm Car Speakers

C1-525x big
Go to item page Right Arrow Icon of Right Arrow

100W RMS 5.25" C1 Series 2 Way Coaxial 4-ohm Car Speakers

• 50 watts RMS Each
• 3/4" Silk-Suspended Aluminum Edge Driven Dome tweeters
• Mineral-Filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $13.00 in rewards to spend later

install icon

Save up to $19 on install kits for this speaker

additional information required
Fits select locations in your Cougar.
Add vehicle details to confirm exact location.
6
$129.99 /pair

In stock

Used from: $110.49

Hifonics ZS525CX

400W Peak (60W RMS) 5.25” Zeus Series 2-way 4-ohm Coaxial Car Speakers

ZS525CX big
Go to item page Right Arrow Icon of Right Arrow

400W Peak (60W RMS) 5.25” Zeus Series 2-way 4-ohm Coaxial Car Speakers

• 200 watts Peak Each, 30 watts RMS Each
• 1" Neo-Mylar Soft Dome tweeters with Kapton former
• Alpha-Cellulose cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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

Install kits available for this speaker

additional information required
Fits select locations in your Cougar.
Add vehicle details to confirm exact location.
7
List price $28.99
-31% $19.99 /pair

In stock

Polk Audio DB5252 (DB 5252)

600W Peak (200W RMS) 5.25” DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

DB5252 big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (200W RMS) 5.25” DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

• 300 watts Peak Each, 100 watts RMS Each
• 3/4" dual Silk Dome tweeters
• UV-Resistant Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $20.00 in rewards to spend later

install icon

Save up to $19 on install kits for this speaker

additional information required
Fits select locations in your Cougar.
Add vehicle details to confirm exact location.
4
List price $209.99
-5% $200.00 /set

In stock

Only 2 Left!

Limited time!

Hertz DSK 130.3

240W Peak (120W RMS) 5.25” Dieci Series 2-way 4-ohm Component Speaker System

DSK 130.3 big
Go to item page Right Arrow Icon of Right Arrow

240W Peak (120W RMS) 5.25” Dieci Series 2-way 4-ohm Component Speaker System

• 120 watts Peak Each, 60 watts RMS Each
• 1" PEI (Polyetherimide) Dome-Cone tweeters with high-energy neodymium magnets
• Water-repellent Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $20.00 in rewards to spend later

install icon

Save up to $19 on install kits for this speaker

additional information required
Fits select locations in your Cougar.
Add vehicle details to confirm exact location.
List price $230.00
-13% $199.99 /set

In stock

Only 3 Left!

MTX TERMINATOR35

80W Peak (40W RMS) 3.5" Terminator Series 2 Way Coaxial 4-ohm Car Speakers

TERMINATOR35 big
Go to item page Right Arrow Icon of Right Arrow

80W Peak (40W RMS) 3.5" Terminator Series 2 Way Coaxial 4-ohm Car Speakers

• 40 watts Peak Each, 20 watts RMS Each
• Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB

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

Save up to $10 on install kits for this speaker

additional information required
Fits select locations in your Cougar.
Add vehicle details to confirm exact location.
List price $59.95
-17% $49.95 /pair

In stock

Limited time!

Pioneer TS-A1301C

600W Peak (100W RMS) 5.25" A-Series 2-Way 4-ohm Component Speakers

TS-A1301C big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (100W RMS) 5.25" A-Series 2-Way 4-ohm Component Speakers

• 300 watts Peak Each, 50 watts RMS Each
• 1-3/16" Polyetherimide Hard Dome tweeters
• Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $14.00 in rewards to spend later

install icon

Save up to $19 on install kits for this speaker

additional information required
Fits select locations in your Cougar.
Add vehicle details to confirm exact location.
List price $170.00
-18% $140.00 /set

In stock

Only 3 Left!

Limited time!

JBL Stage3 527 (STAGE3527AM)

400W Peak (80W RMS) 5.25” Stage3 Series 2 Way Coaxial 3-ohm Speakers

Stage3 527 big
Go to item page Right Arrow Icon of Right Arrow

400W Peak (80W RMS) 5.25” Stage3 Series 2 Way Coaxial 3-ohm Speakers

• 200 watts Peak Each, 40 watts RMS Each
• Polypropylene cone material with Plus One woofer architecture
• Impedance: 3 ohm
• Sensitivity: 91 dB

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Install kits available for this speaker

additional information required
Fits select locations in your Cougar.
Add vehicle details to confirm exact location.
2
List price $109.95
Save $40.00
-36% $69.95 /pair

In stock

Limited time!

Cerwin-Vega XED525C

500W Peak (60W RMS) 5.25” XED Series 2-Way 4-ohm Component Speaker System

XED525C big
Go to item page Right Arrow Icon of Right Arrow

500W Peak (60W RMS) 5.25” XED Series 2-Way 4-ohm Component Speaker System

• 250 watts Peak Each, 30 watts RMS Each
• 1/2" Metal Balanced Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Save up to $11 on install kits for this speaker

additional information required
Fits select locations in your Cougar.
Add vehicle details to confirm exact location.
8
List price $71.99
-17% $59.99 /set

In stock

Limited time!

Cerwin-Vega V525

600W Peak (200W RMS) 5.25" Vega Series 2025 Edition 2-Way Coaxial 4-ohm Speakers

V525 big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (200W RMS) 5.25" Vega Series 2025 Edition 2-Way Coaxial 4-ohm Speakers

• 300 watts Peak Each, 100 watts RMS Each
• 3/4" Silk Balanced Dome Tweeters
• Carbon Fiber Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Save up to $19 on install kits for this speaker

additional information required
Fits select locations in your Cougar.
Add vehicle details to confirm exact location.
1
$149.99 /pair

In stock

Limited time!

JVC CS-DR521

520W Peak (80W RMS) 5.25'' DRVN DR Series 2-Way 4-ohm Shallow-Mount Coaxial Car Speakers

CS-DR521 big
Go to item page Right Arrow Icon of Right Arrow

520W Peak (80W RMS) 5.25'' DRVN DR Series 2-Way 4-ohm Shallow-Mount Coaxial Car Speakers

• 260 watts Peak Each, 40 watts RMS Each
• 1" Polyetherimide Balanced Dome tweeters
• Carbon Mica cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $9.90 in rewards to spend later

install icon

Save up to $15 on install kits for this speaker

additional information required
Fits select locations in your Cougar.
Add vehicle details to confirm exact location.
List price $119.00
-17% $99.00 /pair

In stock

Only 2 Left!

Limited time!

Kicker PS5250 (10PS5250)

200W Peak (100W RMS) 5.25” PS Series 2 Way Coaxial 2-ohm Powersports and Motorcycle Speakers

10PS5250 big
Go to item page Right Arrow Icon of Right Arrow

200W Peak (100W RMS) 5.25” PS Series 2 Way Coaxial 2-ohm Powersports and Motorcycle Speakers

• 100 watts Peak Each, 50 watts RMS Each
• 3/4" Titanium Dome tweeters
• Protective speaker grilles included
• Polypropylene material
• Impedance: 2 ohm
• Sensitivity: 88.3 dB
• Mounting Depth: 2-3/16"

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

Save up to $17 on install kits for this speaker

additional information required
Fits select locations in your Cougar.
Add vehicle details to confirm exact location.
7
List price $169.99
Save $50.03
-29% $119.96 /pair

In stock

• 100 watts Peak Each, 50 watts RMS Each
• 3/4" Titanium Dome tweeters
• Protective speaker grilles included
• Polypropylene material
• Impedance: 2 ohm
• Sensitivity: 88.3 dB
• Mounting Depth: 2-3/16"

Items per page: 20 40 60

    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 Rear Deck Corner Speakers in 1990 Cougar

    Q: Can I upgrade or change the Rear Deck Corner Speakers in 1990 Mercury Cougar?

    A: Yes this page includes all the best Rear Deck Corner Speakers that work in your Cougar.

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

    2025 Lincoln Navigator

    2014 Chevrolet Corvette

    1990 Mercury Cougar

    2007 Ford Focus ZX3

    2009 Nissan Pathfinder

    1972 Ford Torino

    2012 BMW 1 Series

    1983 Porsche 944

    2019 Mazda MX-5 Miata

    2019 Ford EcoSport

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

    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.