Garage
Shop

All Car Speakers for your 1990 Century close

Exclamation Icon It’s a no-brainer.
Get your speakers here.

Install kit discounts · Guaranteed fit · Full warranty
Loading...
Filters

Your Vehicle


Checkmark Icon
Fits select locations in your 1990 Century
Add vehicle details to confirm exact location or Update vehicle.

Update vehicle | Remove vehicle | Vehicle store

Shop the Category

filter-icon Filters & Sort
Limited time!

Kicker KSC693 (51KSC69304) (Like New (Open Box))

600W Peak (300W RMS) 6x9" KS Series 3 Way Coaxial 4-ohm Shallow-Mount Speakers

51KSC69304 big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (300W RMS) 6x9" KS Series 3 Way Coaxial 4-ohm Shallow-Mount Speakers

• 300 watts Peak Each, 150 watts RMS Each
• 3/4" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

10% Off Open Box!
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 $209.99
-23% $161.49 /pair
$145.34 with coupon | Price details

In stock

Only 1 Left!

• 300 watts Peak Each, 150 watts RMS Each
• 3/4" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

Limited time!

Pioneer TS-A6991F

1400W Peak (240W RMS) 6x9" A-Series 5-Way Coaxial 4-ohm Speakers

TS-A6991F big
Go to item page Right Arrow Icon of Right Arrow

1400W Peak (240W RMS) 6x9" A-Series 5-Way Coaxial 4-ohm Speakers

• 700 watts Peak Each, 120 watts RMS Each
• 3/4" Polyetherimide Hard Dome tweeters
• 7/16" and 3/8" PET dome super tweeters
• 2-1/4" Polyetherimide (PEI) film cone midrange
• Carbon and Mica Reinforced Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

Free Speaker Accessory at Checkout!
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

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
9
List price $150.00
-13% $129.99 /pair

In stock

Pioneer TS-A1081F

460W Peak (100W RMS) 4” A Series 2-way 4-ohm Coaxial Car Speakers

TS-A1081F big
Go to item page Right Arrow Icon of Right Arrow

460W Peak (100W RMS) 4” A Series 2-way 4-ohm Coaxial Car Speakers

• 230 watts Peak Each, 50 watts RMS Each
• 1" PEI (Polyetherimide) Hard Dome tweeters
• Carbon and Mica Reinforced Injection Molded 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 $9.00 in rewards to spend later

install icon

Save up to $24 on install kits for this speaker

additional information required
Fits select locations in your Century.
Add vehicle details to confirm exact location.
3
List price $110.00
-18% $90.00 /pair

In stock

Used from: $80.00
Limited time!

Cerwin Vega H7694

800W Peak (150W RMS) 6x9" HED Series 4-Way Coaxial 4-ohm Speakers

H7694 big
Go to item page Right Arrow Icon of Right Arrow

800W Peak (150W RMS) 6x9" HED Series 4-Way Coaxial 4-ohm Speakers

• 400 watts Peak Each, 75 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86.5 dB

Free Speaker Accessory 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.
32
List price $107.99
-26% $79.99 /pair

In stock

Limited time!

Kicker CSC5 (46CSC54)

450W Peak (150W RMS) 5.25” CS Series 2 Way Coaxial 4-ohm Speakers

46CSC54 big
Go to item page Right Arrow Icon of Right Arrow

450W Peak (150W RMS) 5.25” CS Series 2 Way Coaxial 4-ohm Speakers

• 225 watts Peak Each, 75 watts RMS Each
• 1/2" PEI (Polyetherimide) Balanced Dome tweeters with neodymium magnets
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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

Save up to $7 on install kits for this speaker

additional information required
Fits select locations in your Century.
Add vehicle details to confirm exact location.
5
List price $119.99
Save $40.03
-33% $79.96 /pair

In stock

Used from: $69.99 Like New from: $84.99
Limited time!

Kicker CSC5 (46CSC54) (Like New (Open Box))

450W Peak (150W RMS) 5.25” CS Series 2 Way Coaxial 4-ohm Speakers

46CSC54 big
Go to item page Right Arrow Icon of Right Arrow

450W Peak (150W RMS) 5.25” CS Series 2 Way Coaxial 4-ohm Speakers

• 225 watts Peak Each, 75 watts RMS Each
• 1/2" PEI (Polyetherimide) Balanced Dome tweeters with neodymium magnets
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

10% Off Open Box!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Save up to $9 on install kits for this speaker

additional information required
Fits select locations in your Century.
Add vehicle details to confirm exact location.
List price $119.99
-29% $84.99 /pair
$76.49 with coupon | Price details

In stock

Only 2 Left!

• 225 watts Peak Each, 75 watts RMS Each
• 1/2" PEI (Polyetherimide) Balanced Dome tweeters with neodymium magnets
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

Polk Audio DB402 (DB 402)

270W Peak (90W RMS) 4" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

DB402 big
Go to item page Right Arrow Icon of Right Arrow

270W Peak (90W RMS) 4" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

• 135 watts Peak Each, 45 watts RMS Each
• 3/4" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 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 Century.
Add vehicle details to confirm exact location.
4
List price $99.99
-10% $90.00 /pair

In stock

Limited time!

Pioneer TS-G1620F

600W Peak (80W RMS) 6.5" G-Series 2-Way Coaxial 4-ohm Car Speakers

TS-G1620F big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (80W RMS) 6.5" G-Series 2-Way Coaxial 4-ohm Car Speakers

• 300 watts Peak Each, 40 watts RMS Each
• 1-3/16" PET Balanced Dome Tweeters
• Injection-molded Polypropylene with Mica 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 $9 on install kits for this speaker

additional information required
Fits select locations in your Century.
Add vehicle details to confirm exact location.
13
List price $65.00
Save 26%
-26% $48.00 /pair

In stock

Limited time!

Polk Audio DB462 (DB 462)

300W Peak (100W RMS) 4x6” DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

DB462 big
Go to item page Right Arrow Icon of Right Arrow

300W Peak (100W RMS) 4x6” DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

• 150 watts Peak Each, 50 watts RMS Each
• 3/4" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

Free Speaker Accessory 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.
7
List price $99.99
-10% $90.00 /pair

In stock

Only 2 Left!

Limited time!

Cerwin-Vega H7653

680W Peak (120W RMS) 6.5" HED Series 3-Way Coaxial 4-ohm Speakers

H7653 big
Go to item page Right Arrow Icon of Right Arrow

680W Peak (120W RMS) 6.5" HED Series 3-Way Coaxial 4-ohm Speakers

• 340 watts Peak Each, 60 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 84.5 dB

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

Save up to $9 on install kits for this speaker

additional information required
Fits select locations in your Century.
Add vehicle details to confirm exact location.
43
List price $95.99
-17% $79.99 /pair

In stock

Diamond Audio DE692

300W Peak (150W RMS) 6x9" Diamond Elite Series 2-Way Coaxial 4-ohm Car Speakers

DE692 big
Go to item page Right Arrow Icon of Right Arrow

300W Peak (150W RMS) 6x9" Diamond Elite Series 2-Way Coaxial 4-ohm Car Speakers

• 150 watts Peak Each, 75 watts RMS Each
• 1" Aluminum Dome tweeters
• Composite foam core carbon fiber cone material
• Impedance: 4 ohm
• Sensitivity: 84 dB

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

VIP Product Get $15.00 in rewards to spend later

install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
List price $299.95
-50% $149.99 /pair

In stock

Limited time!

Kicker CSC693 (46CSC6934) (Open Box, Great)

900W Peak (300W RMS) 6x9” CS Series 3 Way Coaxial 4-ohm Speakers with Integrated Midrange Speakers

46CSC6934 big
Go to item page Right Arrow Icon of Right Arrow

900W Peak (300W RMS) 6x9” CS Series 3 Way Coaxial 4-ohm Speakers with Integrated Midrange Speakers

• 450 watts Peak Each, 150 watts RMS Each
• 1/2" PEI (Polyetherimide) Balanced Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

10% Off Open Box!
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 $159.99
-39% $97.99 /pair
$88.19 with coupon | Price details

In stock

• 450 watts Peak Each, 150 watts RMS Each
• 1/2" PEI (Polyetherimide) Balanced Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

Limited time!

Rockford Fosgate Power T1 T1693

400W Peak (200W RMS) 6x9" Power Series 3-way 4-ohm Coaxial Car Speakers with Dual Tweeters

T1693 big
Go to item page Right Arrow Icon of Right Arrow

400W Peak (200W RMS) 6x9" Power Series 3-way 4-ohm Coaxial Car Speakers with Dual Tweeters

• 200 watts Peak Each, 100 watts RMS Each
• Dual 1" Aluminum Dome tweeters
• Polypropylene-Carbon Fiber Hybrid 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.
VIP Star Icon

VIP Product Get $30.00 in rewards to spend later

install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
32
$299.99 /pair

In stock

Used from: $254.99
Limited time!

Earthquake Sound Focus F6X9

600W Peak 6x9" Focus Series 3-way 4-ohm Coaxial Car Speakers

F6X9 big
Go to item page Right Arrow Icon of Right Arrow

600W Peak 6x9" Focus Series 3-way 4-ohm Coaxial Car Speakers

• 600 watts Peak Each
• 0.79" Silk Dome Tweeters
• Poly-Injection cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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

VIP Product Get $16.00 in rewards to spend later

install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
2
List price $160.00
$159.99 /pair

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 $6 on install kits for this speaker

additional information required
Fits select locations in your Century.
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!
Like New from: $74.99
Limited time!

Rockford Fosgate Prime R169X3

260W Peak (130W RMS) 6x9" Prime Series 3 Way Coaxial 4-ohm Speakers

R169X3 big
Go to item page Right Arrow Icon of Right Arrow

260W Peak (130W RMS) 6x9" Prime Series 3 Way Coaxial 4-ohm Speakers

• 130 watts Peak Each, 65 watts RMS Each
• 1/2" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

Free Speaker Accessory at Checkout!
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

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
38
$109.99 /pair

In stock

Used from: $69.99 Like New from: $84.99
Limited time!

Kicker KSC4 (51KSC404)

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

51KSC404 big
Go to item page Right Arrow Icon of Right Arrow

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

• 150 watts Peak Each, 75 watts RMS Each
• 1/2" Silk Balanced Dome Tweeters
• Polypropylene 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.
install icon

Save up to $24 on install kits for this speaker

additional information required
Fits select locations in your Century.
Add vehicle details to confirm exact location.
3
List price $119.99
-17% $99.99 /pair

In stock

Kenwood KFC-6998RS

1440W Peak (300W RMS) 6x9" RS Series 5-Way Coaxial 4-ohm Car Speakers with Dual Super Tweeters

KFC-6998RS big
Go to item page Right Arrow Icon of Right Arrow

1440W Peak (300W RMS) 6x9" RS Series 5-Way Coaxial 4-ohm Car Speakers with Dual Super Tweeters

• 720 watts Peak Each, 150 watts RMS Each
• 1-3/4" Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 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 $180.00
-17% $149.00 /pair

In stock

Only 1 Left!

Limited time!

Rockford Fosgate Punch P1 P1462

140W Peak (70W RMS) 4x6” Punch Series 2 Way Coaxial 4-ohm Speakers

P1462 big
Go to item page Right Arrow Icon of Right Arrow

140W Peak (70W RMS) 4x6” Punch Series 2 Way Coaxial 4-ohm Speakers

• 70 watts Peak Each, 35 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome tweeters
• Injection-molded Mineral-filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

Free Speaker Accessory at Checkout!
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

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
37
$109.99 /pair

In stock

Used from: $93.49

JL Audio C1-400x

70W RMS 4" C1 Series 2 Way Coaxial 4-ohm Car Speakers

C1-400x big
Go to item page Right Arrow Icon of Right Arrow

70W RMS 4" C1 Series 2 Way Coaxial 4-ohm Car Speakers

• 35 watts RMS Each
• 3/4" Silk-Suspended Aluminum Edge Driven Dome tweeters
• Mineral-Filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 84.5 dB

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

VIP Product Get $9.50 in rewards to spend later

install icon

Save up to $9 on install kits for this speaker

additional information required
Fits select locations in your Century.
Add vehicle details to confirm exact location.
8
$94.99 /pair

In stock

Used from: $80.74

Items per page: 20 40 60

    Clear all

    FAQ Frequently asked questions in All Car Speakers


    Car Speakers Frequently Asked Questions (FAQ)
    Coaxial car speakers, also known as full-range speakers, combine multiple speaker elements in one unit. These elements typically include a woofer for low frequencies and a tweeter for high frequencies. Some coaxial speakers may also have a mid-range driver for enhanced sound quality. The key advantage of coaxial speakers is their simplicity and ease of installation, as all components are housed in a single unit, making them a popular choice for stock speaker replacements. In contrast, component speakers consist of separate speaker elements—woofers, tweeters, and sometimes mid-range drivers—allowing for greater customization and sound quality. Component systems offer better sound separation and imaging, making them a preferred choice for audiophiles and those seeking high-quality audio in their vehicles.
    Speaker sensitivity, measured in decibels (dB), indicates how efficiently a speaker converts power into sound. Higher sensitivity speakers produce more sound with less power, making them suitable for low-powered factory stereos or aftermarket head units. Lower sensitivity speakers may require more power to achieve the same volume level. When choosing car speakers, it's essential to consider sensitivity to match your stereo's power output. If you have a low-powered system, opt for high-sensitivity speakers to maximize sound output without distortion. Conversely, higher-powered aftermarket amplifiers can work well with lower sensitivity speakers. Balancing speaker sensitivity with your system's power output is crucial to achieving optimal audio quality and avoiding distortion.
    Speaker impedance, measured in ohms (Ω), represents the electrical resistance a speaker presents to an amplifier. Car speakers typically come in 4-ohm and 8-ohm versions, with 4-ohm being the most common. The speaker's impedance affects the amount of power it draws from the amplifier. In car audio systems, it's essential to match the speaker's impedance with the amplifier's minimum recommended load. Amplifiers are designed to work most efficiently within specific impedance ranges, and a mismatch can result in reduced power output and potential damage to the amplifier or speakers. Most car audio amplifiers are optimized for 4-ohm speakers, so choosing 4-ohm speakers is generally a safe choice. However, if you're connecting multiple speakers, it's crucial to calculate the total impedance to avoid overloading the amplifier.
    Upgrading factory car speakers with aftermarket speakers offers several advantages: Improved Sound Quality: Aftermarket speakers often feature better materials, construction, and design, resulting in clearer, more detailed sound. Enhanced Bass: Upgraded speakers typically provide deeper and more pronounced bass response. Greater Power Handling: Aftermarket speakers can handle more power, reducing the risk of distortion at higher volumes. Customization: Aftermarket speakers offer a wide range of sizes, styles, and features, allowing you to tailor your sound system to your preferences. Durability: Many aftermarket speakers are built to withstand the harsh conditions of automotive use, increasing their longevity. Overall, upgrading car speakers can transform your in-car audio experience, delivering higher fidelity and more enjoyable sound.
    2-way and 3-way car speakers differ in the number of driver elements they incorporate. A 2-way speaker consists of a woofer for low frequencies and a tweeter for high frequencies, while a 3-way speaker adds a mid-range driver for improved sound separation. The choice between 2-way and 3-way speakers depends on your audio priorities and budget. 2-way speakers are cost-effective and suitable for most users, providing good sound quality and clarity. They are ideal for replacing factory speakers or upgrading basic audio systems. 3-way speakers offer enhanced sound separation and improved mid-range performance. If you seek more detailed and balanced audio with better instrument and vocal reproduction, 3-way speakers are a worthy upgrade. However, they tend to be pricier than 2-way speakers. Ultimately, your choice should align with your audio preferences and budget, as both 2-way and 3-way speakers can significantly enhance your car's audio system compared to factory-installed speakers.
    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?
    Save up to 10 different vehicles in your garage
    Vehicle
    Store
    Delete

    1987 Ford E Series

    2002 Mazda Protege5

    1990 Buick Century

    1998 Mitsubishi Eclipse

    1998 Ford Windstar

    2013 Ford Fiesta

    1994 Audi 100

    2007 GMC Envoy

    1996 Dodge Stratus

    1975 Ford Elite

    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.