Garage
Shop
Loading...
Filters
filter-icon Filters & Sort

Kicker KSC5 (51KSC504)

300W Peak (150W RMS) 5.25" KS Series 2 Way Coaxial 4-ohm Speakers

51KSC504 big
Go to item page Right Arrow Icon of Right Arrow

300W Peak (150W RMS) 5.25" KS Series 2 Way Coaxial 4-ohm Speakers

• 150 watts Peak Each, 75 watts RMS Each
• 1/2" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 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 $27 on install kits for this speaker

found car based on your search
Fits multiple locations in your Cougar
List price $149.99
-13% $129.99 /pair

In stock

Limited time!

Memphis MS62V

300W Peak (150W RMS) 6.5" M Series 2-way 4-ohm Convertible Coaxial Car Speakers

MS62V big
Go to item page Right Arrow Icon of Right Arrow

300W Peak (150W RMS) 6.5" M Series 2-way 4-ohm Convertible Coaxial Car Speakers

• 150 watts Peak Each, 75 watts RMS Each
• Aluminum Dome Tweeters
• Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

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

Save $27 on install kits for this speaker

found car based on your search
Fits multiple locations in your Cougar
List price $259.95
Save $99.96
-38% $159.99 /pair

In stock

Only 1 Left!

JBL STAGE3 GEN2 58F (STAGE358F)

960W Peak (120W RMS) 5.25" Stage3 Gen2 Series 2-Way Coaxial 4-ohm Car Speakers

STAGE358F big
Go to item page Right Arrow Icon of Right Arrow

960W Peak (120W RMS) 5.25" Stage3 Gen2 Series 2-Way Coaxial 4-ohm Car Speakers

• 480 watts Peak Each, 60 watts RMS Each
• PEI (Polyetherimide) Balanced Dome Tweeters
• Plus One Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

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

Save $21 on install kits for this speaker

found car based on your search
Fits multiple locations in your Cougar
List price $89.95
-22% $69.95 /pair

In stock

Limited time!

Diamond Audio MP654

300W Peak (150W RMS) 6.5" Motorsport Series Pro Audio Coaxial Horn 4-ohm Speakers

MP654 big
Go to item page Right Arrow Icon of Right Arrow

300W Peak (150W RMS) 6.5" Motorsport Series Pro Audio Coaxial Horn 4-ohm Speakers

• 300 watts Peak Each, 150 watts RMS Each
• 1" Horn tweeters
• Impedance: 4 ohm
• Sensitivity: 101 dB

Flash Sale! Save at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $44.00 in rewards to spend later

install icon

Save $27 on install kits for this speaker

found car based on your search
Fits multiple locations in your Cougar
3
$439.99 /pair

In stock

Only 3 Left!

DS18 PRO-X6.4BMSL (Sold Individually)

400W Peak (200W RMS) 6.5” PRO-X Series Pro Audio Mid-Range 4-ohm Bullet Loudspeaker

PRO-X6.4BMSL big
Go to item page Right Arrow Icon of Right Arrow

400W Peak (200W RMS) 6.5” PRO-X Series Pro Audio Mid-Range 4-ohm Bullet Loudspeaker

• 400 watts Peak Each, 200 watts RMS Each
• Red Aluminum Bullet tweeters
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

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

Save $19 on install kits for this speaker

found car based on your search
Fits multiple locations in your Cougar
1
$52.95

In stock

DS18 PRO-ZXI64BM (Sold Individually)

600W Peak (300W RMS) 6.5" ZXi Series Pro Audio Midrange Bullet 4-Ohm Loudspeaker

PRO-ZXI64BM big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (300W RMS) 6.5" ZXi Series Pro Audio Midrange Bullet 4-Ohm Loudspeaker

• 600 watts Peak, 300 watts RMS
• 1" Aluminum Bullet Tweeter
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 97 dB

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

VIP Product Get $8.10 in rewards to spend later

install icon

Save $27 on install kits for this speaker

found car based on your search
Fits multiple locations in your Cougar
$80.95

In stock

AudioControl PNW-57

200W Peak (150W RMS) 5x7″ PNW Series 2 Way Coaxial 3-ohm Speakers

PNW-57 big
Go to item page Right Arrow Icon of Right Arrow

200W Peak (150W RMS) 5x7″ PNW Series 2 Way Coaxial 3-ohm Speakers

• 100 watts Peak Each, 75 watts RMS Each
• Hybrid Silk Dome tweeters
• Rigid Poly Mica cone material
• Impedance: 3 ohm
• Sensitivity: 88.62 dB

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

VIP Product Get $25.90 in rewards to spend later

install icon

Save $11 on install kits for this speaker

found car based on your search
Fits multiple locations in your Cougar
  • Front Door
  • Rear Seat Side Panel
List price $279.00
-7% $259.00 /pair

In stock

Only 2 Left!

Continue to cart

Available Offers (2) for AudioControl PNW-57
Offer image
Flash Sale! Save at Checkout!
List price $279.00
-7% $259.00
$207.20 with coupon | Price details
Free Speaker Accessory at Checkout!

Sony XS-160GS with Sound Damping

500W Peak (90W RMS) 6.5" GS Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

XS160GS_SDBSK2 big
Go to item page Right Arrow Icon of Right Arrow

500W Peak (90W RMS) 6.5" GS Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

• 250 watts Peak Each, 45 watts RMS Each
• 13/16 Silk Soft Dome tweeters
• Composite Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your Cougar
48
List price $168.73
$162.99

In stock

• 250 watts Peak Each, 45 watts RMS Each
• 13/16 Silk Soft Dome tweeters
• Composite Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

Cerwin-Vega H52

240W Peak (140W RMS) 5.25" HED Series 2-Way Coaxial 4-ohm Speakers

H52 big
Go to item page Right Arrow Icon of Right Arrow

240W Peak (140W RMS) 5.25" HED Series 2-Way Coaxial 4-ohm Speakers

• 120 watts Peak Each, 70 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

1+ offers available
shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Save $27 on install kits for this speaker

found car based on your search
Fits multiple locations in your Cougar
List price $119.99
-17% $99.99 /pair

In stock

Continue to cart

Available Offers (2) for Cerwin-Vega H52
Offer image
Flash Sale! Save at Checkout!
List price $119.99
-17% $99.99
$79.99 with coupon | Price details
Free Speaker Accessory at Checkout!

Boss Elite BE652C

100W RMS 6.5" Elite Series 2-Way Coaxial 4-ohm Shallow Car Speakers

BE652C big
Go to item page Right Arrow Icon of Right Arrow

100W RMS 6.5" Elite Series 2-Way Coaxial 4-ohm Shallow Car Speakers

• 50 watts RMS Each
• 1.1" Dome Tweeters
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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 $25 on install kits for this speaker

found car based on your search
Fits multiple locations in your Cougar
$99.99 /pair

In stock

AudioControl PNW-65

200W RMS 6.5" PNW Series 2-Way Coaxial 3-ohm Car Speakers

PNW-65 big
Go to item page Right Arrow Icon of Right Arrow

200W RMS 6.5" PNW Series 2-Way Coaxial 3-ohm Car Speakers

• 100 watts RMS Each
• 1" Hybrid Silk Dome Tweeters
• Rigid Poly Mica cone material
• Impedance: 3 ohm
• Sensitivity: 88.9 dB

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

VIP Product Get $25.90 in rewards to spend later

install icon

Save $27 on install kits for this speaker

found car based on your search
Fits multiple locations in your Cougar
3
List price $279.00
-7% $259.00 /pair

In stock

Infinity REF507F (INFSPKRF507FUS)

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

REF507F big
Go to item page Right Arrow Icon of Right Arrow

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

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

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

VIP Product Get $11.00 in rewards to spend later

install icon

Save $27 on install kits for this speaker

found car based on your search
Fits multiple locations in your Cougar
1
List price $139.95
-21% $109.95 /pair

In stock

DS18 PRO-X5.4BM (Sold Individually)

300W Peak (150W RMS) 5.25” PRO-X Series 4-ohm Mid-Range Loudspeaker

PRO-X5.4BM big
Go to item page Right Arrow Icon of Right Arrow

300W Peak (150W RMS) 5.25” PRO-X Series 4-ohm Mid-Range Loudspeaker

• 300 watts Peak Each, 150 watts RMS Each
• Red Aluminum Bullet tweeters
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

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

Save $14 on install kits for this speaker

found car based on your search
Fits multiple locations in your Cougar
$49.95

In stock

Precision Power MAS.65MR

300W RMS 6.5" Midrange 2-ohm Motorcycle Speakers

MAS.65MR big
Go to item page Right Arrow Icon of Right Arrow

300W RMS 6.5" Midrange 2-ohm Motorcycle Speakers

• Peak Each, 150 watts RMS Each
• Poly-Coated Paper cone material
• Impedance: 2 ohm
• Sensitivity: 95 dB

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

VIP Product Get $49.90 in rewards to spend later

install icon

Save $27 on install kits for this speaker

found car based on your search
Fits multiple locations in your Cougar
List price $599.00
-17% $499.00 /pair

In stock

Only 2 Left!

• Peak Each, 150 watts RMS Each
• Poly-Coated Paper cone material
• Impedance: 2 ohm
• Sensitivity: 95 dB

Sundown Audio ECX 6.5 (ECX6.5)

50W RMS 6.5" ECX Series 2 Way Coaxial Pro Audio 4-ohm Speaker (S-ECX6.5)

S-ECX6.5 big
Go to item page Right Arrow Icon of Right Arrow

50W RMS 6.5" ECX Series 2 Way Coaxial Pro Audio 4-ohm Speaker (S-ECX6.5)

• 50 watts RMS Each
• Horn Tweeters
• Impedance: 4 ohm
• Sensitivity: 94 dB

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

Install kits available for most vehicles

found car based on your search
Fits multiple locations in your Cougar
List price $71.99
-17% $59.99

In stock

Only 3 Left!

JL Audio C3-525

300W Peak (150W RMS) 5.25" C3 Series 2-Way 4-ohm Component Speaker System

C3-525 big
Go to item page Right Arrow Icon of Right Arrow

300W Peak (150W RMS) 5.25" C3 Series 2-Way 4-ohm Component Speaker System

• 150 watts Peak Each, 75 watts RMS Each
• 2-way convertible speakers from component to coaxial
• 1" Silk Soft Dome tweeters with ferrofluid cooling and damping
• Mineral-Filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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

VIP Product Get $53.00 in rewards to spend later

install icon

Save $27 on install kits for this speaker

found car based on your search
Fits multiple locations in your Cougar
2
$529.99 /set

In stock

Used from: $450.49
Limited time!

JBL Stadium GTO860C

600W Peak (200W RMS) 6x8" Stadium GTO Series 2-Way Component Speaker System

Stadium GTO860C big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (200W RMS) 6x8" Stadium GTO Series 2-Way Component Speaker System

• 300 watts Peak Each, 100 watts RMS Each
• 1-3/16" PEI (Polyetherimide) Dome Tweeters
• Glass Fiber cone material
• Impedance: 2.5
• Sensitivity: 93 dB

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

Install kits available for this speaker

found car based on your search
Fits multiple locations in your Cougar
  • Front Door
  • Rear Seat Side Panel
3
List price $269.99
Save $70.04
-26% $199.95 /set

In stock.

MTX TERMINATOR6

180W Peak (90W RMS) 6.5" Terminator Series 2 Way Coaxial 4-ohm Speakers

TERMINATOR6 big
Go to item page Right Arrow Icon of Right Arrow

180W Peak (90W RMS) 6.5" Terminator Series 2 Way Coaxial 4-ohm Speakers

• 90 watts Peak Each, 45 watts RMS Each
• 1" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86.8 dB

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

Save $22 on install kits for this speaker

found car based on your search
Fits multiple locations in your Cougar
2
List price $69.95
-14% $59.95 /pair

In stock

JVC CS-DR601C

720W Peak (120W RMS) 6.5" DRVN DR Series 2-Way 4-ohm Component Speaker System

CS-DR601C big
Go to item page Right Arrow Icon of Right Arrow

720W Peak (120W RMS) 6.5" DRVN DR Series 2-Way 4-ohm Component Speaker System

• 360 watts Peak Each, 60 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Dome Tweeters
• Carbon Mica cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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

VIP Product Get $15.90 in rewards to spend later

install icon

Save $27 on install kits for this speaker

found car based on your search
Fits multiple locations in your Cougar
List price $179.00
-11% $159.00 /set

In stock

Only 3 Left!

Continue to cart

Available Offers (2) for JVC CS-DR601C
Offer image
Flash Sale! Save at Checkout!
List price $179.00
-11% $159.00
$127.20 with coupon | Price details
Free Baffles with Select Speakers
Limited time!

Cerwin-Vega CVP65 (Sold Individually)

300W Peak (150W RMS) 6.5" CVPRO Series Pro Full Range 4-ohm Speaker

CVP65 big
Go to item page Right Arrow Icon of Right Arrow

300W Peak (150W RMS) 6.5" CVPRO Series Pro Full Range 4-ohm Speaker

• 300 watts Peak, 150 watts RMS
• Treated Paper cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

Flash Sale! Save at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Save $21 on install kits for this speaker

found car based on your search
Fits multiple locations in your Cougar
2
List price $53.99
-17% $44.99

In stock

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 Speakers in 1999 Cougar

    Q: Can I upgrade or change the Speakers in 1999 Mercury Cougar?

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

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

    2000 BMW 328Ci

    1992 Dodge Ramcharger

    1999 Mercury Cougar

    1986 GMC G Series

    1998 Dodge Dakota

    2018 Audi S3

    1998 Suzuki Esteem

    2010 Hummer H3

    2002 Infiniti QX4

    2012 Ford Expedition EL

    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.