Garage
Shop

1991 Mercury Cougar

The best Rear Deck Corner Speakers for 1991 Cougar

Rear Deck Corner for 1991 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
Lowest price in 30 days

Infinity Reference REF507F Front Door Speaker Replacement Package

270W Peak (90W RMS) 5.25" Reference Series 2-way 3-ohm Speakers

89-92-FORD-RANGER-FD-INF big
Go to item page Right Arrow Icon of Right Arrow

270W Peak (90W RMS) 5.25" Reference Series 2-way 3-ohm Speakers

• 180 watts Peak Each, 60 watts RMS Each
• 135 watts Peak Each, 45 watts RMS Each
• Textile Edge-driven tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
additional information required
Fits select locations in your Cougar.
Add vehicle details to confirm exact location.
1
List price $152.94
-37% $95.94

In stock

• 180 watts Peak Each, 60 watts RMS Each
• 135 watts Peak Each, 45 watts RMS Each
• Textile Edge-driven tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 dB

Lowest price in 30 days

Infinity Reference Series Front Door Speaker Replacement Package

270W Peak (90W RMS) 5.25" Reference Series 2-way 3-ohm Speakers

89-93-FORD-RANGER-FD-INF big
Go to item page Right Arrow Icon of Right Arrow

270W Peak (90W RMS) 5.25" Reference Series 2-way 3-ohm Speakers

• 135 watts Peak Each, 45 watts RMS Each
• Textile Balanced Dome tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
additional information required
Fits select locations in your Cougar.
Add vehicle details to confirm exact location.
1
List price $152.94
-37% $95.94

In stock

• 135 watts Peak Each, 45 watts RMS Each
• Textile Balanced Dome tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 dB

NVX - Worth the Envy - Direct to Consumer Car Audio

MTX SS5 with Installation Accessories

250W RMS 5.25" 2-Way Component Speaker System with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

SS5, XBAF525, SDSK2, SDRLR1, BTK106 big
Go to item page Right Arrow Icon of Right Arrow

250W RMS 5.25" 2-Way Component Speaker System with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

• 250 watts Peak Each, 125 watts RMS Each
• 1-3/16" Teteron Dome Tweeters
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 84 dB

Save 15% Off Package Deals at Checkout!
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.
150
$539.98 /set

Available

Ships in 10-14 days

• 250 watts Peak Each, 125 watts RMS Each
• 1-3/16" Teteron Dome Tweeters
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 84 dB

Earthquake Sound VTEK-52XI with Installation Accessories

200W RMS 5-1/4" 2-Way Coaxial Speakers with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

VTEK-52XI, XBAF525, SDSK2, SDRLR1, BTK106 big
Go to item page Right Arrow Icon of Right Arrow

200W RMS 5-1/4" 2-Way Coaxial Speakers with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

• 5-1/4" VTEK Series 2-Way Coaxial Car Speakers
• Tri-Layer Woven Glass Fiber Cones
• PistonMax Wide Surrounds
• 3/4" Silk Dome Swivel Tweeters
• Die-Cast Aluminum Baskets
• Diamond Cut Brushed Lips
• Woofer Protection Circuitry

Save 15% Off Package Deals at Checkout!
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.
149
List price $231.71
-14% $199.03

In stock.

• 5-1/4" VTEK Series 2-Way Coaxial Car Speakers
• Tri-Layer Woven Glass Fiber Cones
• PistonMax Wide Surrounds
• 3/4" Silk Dome Swivel Tweeters
• Die-Cast Aluminum Baskets
• Diamond Cut Brushed Lips
• Woofer Protection Circuitry

DS18 PRO-X5M with Speaker Installation Kit

150W RMS5.25” 8-Ohms Coaxial Speaker + 5.25" Speaker Baffles, Sound Dampening, Roller, and Panel Removal Kit

(2)PRO-X5M, XBAF525, SDSK2, SDRLR1, BTK106 big
Go to item page Right Arrow Icon of Right Arrow

150W RMS5.25” 8-Ohms Coaxial Speaker + 5.25" Speaker Baffles, Sound Dampening, Roller, and Panel Removal Kit

• 300 watts Peak Each, 150 watts RMS Each
• Paper cone material
• Impedance: 8 ohm
• Sensitivity: 90 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.
149
List price $162.61
-20% $129.93

In stock.

• 300 watts Peak Each, 150 watts RMS Each
• Paper cone material
• Impedance: 8 ohm
• Sensitivity: 90 dB

DS18 ZXI-5254 with Speaker Installation Accessories

120W RMS 5.25" 2-Way Coaxial Speakers with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

ZXI-5254, XBAF525, SDSK2, SDRLR1, BTK106 big
Go to item page Right Arrow Icon of Right Arrow

120W RMS 5.25" 2-Way Coaxial Speakers with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

• 180 watts Peak Each, 60 watts RMS Each
• 1" PEI (Polyetherimide) Dome Tweeters
• Glass Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 89 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.
149
List price $156.66
-21% $124.05 /pair

In stock.

• 180 watts Peak Each, 60 watts RMS Each
• 1" PEI (Polyetherimide) Dome Tweeters
• Glass Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

JBL STAGE2524 with Speaker Installation Kit

420W Peak (70W RMS) 5.25" Coaxial Speakers + 5.25" Speaker Baffles, Sound Dampening, Roller, and Panel Removal Kit

STAGE2524, XBAF525, SDSK, SDRLR1, BTK106 big
Go to item page Right Arrow Icon of Right Arrow

420W Peak (70W RMS) 5.25" Coaxial Speakers + 5.25" Speaker Baffles, Sound Dampening, Roller, and Panel Removal Kit

• 210 watts Peak Each, 35 watts RMS Each
• PEI (Polyetherimide) Balanced Dome Tweeters
• Injection Molded Polypropylene - IMPP cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

Save 15% Off Package Deals at Checkout!
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.
125
List price $163.70
-44% $91.21 /pair

Available

Ships in 10-14 days

• 210 watts Peak Each, 35 watts RMS Each
• PEI (Polyetherimide) Balanced Dome Tweeters
• Injection Molded Polypropylene - IMPP cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

JL Audio C1-525x (Open Box, Great)

150W Peak (100W RMS) 5.25" C1 Series 2-way 4-ohm Coaxial Car Speakers

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

150W Peak (100W RMS) 5.25" C1 Series 2-way 4-ohm Coaxial Car Speakers

• 75 watts Peak Each, 50 watts RMS Each
• 3/4" Silk-suspended aluminum Edge-driven Dome tweeters
• Injection-molded, Mineral-filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

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

Save up to $16 on install kits for this speaker

additional information required
Fits select locations in your Cougar.
Add vehicle details to confirm exact location.
6
List price $129.99
-15% $110.49 /pair

In stock

Rockford Fosgate Power T152 (Open Box, Great)

240W Peak (120W RMS) 5.25" Power Series 2-way 4-ohm Coaxial Car Speakers

T152 big
Go to item page Right Arrow Icon of Right Arrow

240W Peak (120W RMS) 5.25" Power Series 2-way 4-ohm Coaxial Car Speakers

• 120 watts Peak Each, 60 watts RMS Each
• 1" Aluminum Dome offset cantilever coaxial mounted tweeters
• Polypropylene-Carbon Fiber Hybrid cone material
• Impedance: 4 ohm
• Sensitivity: 86.5 dB

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

Save up to $16 on install kits for this speaker

additional information required
Fits select locations in your Cougar.
Add vehicle details to confirm exact location.
22
List price $219.99
-15% $186.99 /pair

In stock

Limited time!

Rockford Fosgate Prime R152-S

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

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!
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.
26
$79.99 /set

• 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

Rockford Fosgate PRIME R152-S (Open Box, Great)

160W Peak (80W RMS) 5.25" Prime Series 2-way 4-ohm Component Speaker System

Go to item page Right Arrow Icon of Right Arrow

160W Peak (80W RMS) 5.25" Prime Series 2-way 4-ohm Component Speaker System

• 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

install icon

Install kits available for this speaker

additional information required
Fits select locations in your Cougar.
Add vehicle details to confirm exact location.
26
List price $79.99
-15% $67.99 /set

• 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

NVX - Worth the Envy - Direct to Consumer Car Audio

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 1991 Cougar

    Q: Can I upgrade or change the Rear Deck Corner Speakers in 1991 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

    1991 Mercury Cougar

    2011 Jaguar XKR

    2001 Mitsubishi Montero

    2016 Mercedes-Benz Sprinter Cargo

    2012 Mercedes-Benz E-Class

    2017 Honda Civic Si

    2022 Kia Soul

    2007 BMW 335i

    Vehicle
    Store
    Delete

    2018 Can-Am Defender MAX HD10 DPS

    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.