Garage
Shop
Loading...
Filters
filter-icon Filters & Sort
Limited time!

Rockford Fosgate Power T1 T1692

400W Peak (200W RMS) 6x9" Power Series 2-way 4-ohm Coaxial Car Speakers

T1692 big
Go to item page Right Arrow Icon of Right Arrow

400W Peak (200W RMS) 6x9" Power Series 2-way 4-ohm Coaxial Car Speakers

• 200 watts Peak Each, 100 watts RMS Each
• 1" Aluminum Dome tweeters
• Polypropylene-Carbon Fiber Hybrid 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 $29.00 in rewards to spend later

install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
23
$289.99 /pair

In stock

Used from: $246.49
Limited time!

Kicker KSS69 (51KSS6904)

300W RMS 6x9" KS Series 2-Way 4-ohm Component Speaker System

51KSS6904 big
Go to item page Right Arrow Icon of Right Arrow

300W RMS 6x9" KS Series 2-Way 4-ohm Component Speaker System

• 150 watts RMS Each
• 1" Silk Dome Tweeters
• 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 $25.00 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 $279.99
-11% $249.99 /set

In stock

Only 2 Left!

NVX - Worth the Envy - Direct to Consumer Car Audio

Hifonics ZS65CXS

600W Peak (100W RMS) 6.5" Zeus Series 2-way 4-ohm Coaxial Car Speakers

ZS65CXS big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (100W RMS) 6.5" Zeus Series 2-way 4-ohm Coaxial Car Speakers

• 300 watts Peak Each, 50 watts RMS Each
• 1" Neo-Mylar Soft Dome tweeters on 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

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
18
List price $34.99
-6% $32.99 /pair

In stock

DS18 6XL650N-4 (Sold Individually)

650W Peak (325W RMS) 6.5" XL Series Midrange 4-ohm Loudspeaker

6XL650N-4 big
Go to item page Right Arrow Icon of Right Arrow

650W Peak (325W RMS) 6.5" XL Series Midrange 4-ohm Loudspeaker

• 650 watts Peak, 325 watts RMS
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 98.5 dB

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

VIP Product Get $20.40 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 $244.99
-17% $203.95

In stock.

Rockford Fosgate Power T1 T1650

300W Peak (150W RMS) 6.5" Power Series 2 Way Coaxial 4-ohm Speakers

T1650 big
Go to item page Right Arrow Icon of Right Arrow

300W Peak (150W RMS) 6.5" Power Series 2 Way Coaxial 4-ohm Speakers

• 150 watts Peak Each, 75 watts RMS Each
• 1" Aluminum Dome tweeters
• Carbon Fiber Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
10
$219.99 /pair

In stock

Used from: $186.99

Pioneer TS-A1681F

700W Peak (160W RMS) 6.5" A-Series 4-Way Coaxial 4-ohm Speakers

TS-A1681F big
Go to item page Right Arrow Icon of Right Arrow

700W Peak (160W RMS) 6.5" A-Series 4-Way Coaxial 4-ohm Speakers

• 350 watts Peak Each, 80 watts RMS Each
• 7/16" PET Dome Tweeters
• Carbon and Mica Reinforced Injection Molded 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 $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.
3
List price $130.00
-15% $109.99 /pair

In stock

Alpine DM-65-G

400W Peak (100W RMS) 6.5" DM Series 2-Way Coaxial 4-ohm Car Speakers

DM-65-G big
Go to item page Right Arrow Icon of Right Arrow

400W Peak (100W RMS) 6.5" DM Series 2-Way Coaxial 4-ohm Car Speakers

• 200 watts Peak Each, 50 watts RMS Each
• 0.8" Teteron Dome Tweeters
• Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 92 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
List price $110.00
-18% $89.95 /pair

In stock

Hifonics ZS653

600W Peak (100W RMS) 6.5" Zeus Series 3-way 4-ohm Coaxial Car Speakers

ZS653 big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (100W RMS) 6.5" Zeus Series 3-way 4-ohm Coaxial Car Speakers

• 300 watts Peak Each, 50 watts RMS Each
• 1" Neo-Mylar Soft Dome tweeters on 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

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
14
$34.99 /pair

In stock

Limited time!

Pioneer TS-Z65CH

660W Peak (220W RMS) 6.5" Z-Series 2-Way 4-ohm Component Speaker System

TS-Z65CH big
Go to item page Right Arrow Icon of Right Arrow

660W Peak (220W RMS) 6.5" Z-Series 2-Way 4-ohm Component Speaker System

• 330 watts Peak Each, 110 watts RMS Each
• 1.1" Aluminum Alloy Balanced Dome tweeters
• Twaron Aramid Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 85 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 $400.00
Save $145.00
-36% $255.00 /set

In stock

• 330 watts Peak Each, 110 watts RMS Each
• 1.1" Aluminum Alloy Balanced Dome tweeters
• Twaron Aramid Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 85 dB

Limited time!

JL Audio C2-400x

70W RMS 4" C2 Series 2-Way Coaxial 4-ohm Car Speakers

C2-400X big
Go to item page Right Arrow Icon of Right Arrow

70W RMS 4" C2 Series 2-Way Coaxial 4-ohm Car Speakers

• 35 watts RMS Each
• 3/4" Silk Dome tweeters
• Mica Injected Polypropylene - MIPP 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.
VIP Star Icon

VIP Product Get $16.50 in rewards to spend later

install icon

Save $9 on install kits for this speaker

found car based on your search
Fits the following location in your Quantum
  • Rear Door
9
List price $189.99
Save $25.00
-13% $164.99 /pair

In stock

Used from: $140.24

AudioControl EPICPRO6CX

600W Peak (400W RMS) 6.5" EPIC PRO Series Pro Audio Midrange 4-ohm Speakers

EPICPRO6CX big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (400W RMS) 6.5" EPIC PRO Series Pro Audio Midrange 4-ohm Speakers

• 300 watts Peak Each, 200 watts RMS Each
• tweeters
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 93.1 dB

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

VIP Product Get $18.90 in rewards to spend later

install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
$189.00 /pair

In stock

DS18 PRO-GM6.4PK

960W Peak (280W RMS) 6.5” PRO-GM Series 4-ohm Component Midrange Car Speakers

PRO-GM6.4PK big
Go to item page Right Arrow Icon of Right Arrow

960W Peak (280W RMS) 6.5” PRO-GM Series 4-ohm Component Midrange Car Speakers

• 480 watts Peak Each, 140 watts RMS Each
• 1" Aluminum Super Bullet tweeters
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 92 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.
3
$103.95 /pair

In stock

Only 3 Left!

DS18 6XL650NB-4 (Sold Individually)

650W Peak (325W RMS) 6.5" XL Series 4-ohm Mid-Range Speaker

6XL650NB-4 big
Go to item page Right Arrow Icon of Right Arrow

650W Peak (325W RMS) 6.5" XL Series 4-ohm Mid-Range Speaker

• 650 watts Peak Each, 325 watts RMS Each
• Non-Pressed 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 $20.40 in rewards to spend later

install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
$203.95

In stock.

Limited time!

Infinity Kappa 693M (INFSPKKA693MAM)

720W Peak (240W RMS) 6x9” Kappa Series 3 Way Coaxial 3-ohm Speakers

Kappa 693M big
Go to item page Right Arrow Icon of Right Arrow

720W Peak (240W RMS) 6x9” Kappa Series 3 Way Coaxial 3-ohm Speakers

• 360 watts Peak Each, 120 watts RMS Each
• Silk Edge Driven Dome tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 94 dB

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

VIP Product Get $24.00 in rewards to spend later

install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
6
List price $349.95
Save $110.00
-31% $239.95 /pair

In stock

Limited time!

Alpine S2-S69

520W Peak (170W RMS) 6x9" S-Series Hi-Res 2-Way Coaxial 4-ohm Car Speakers

S2-S69 big
Go to item page Right Arrow Icon of Right Arrow

520W Peak (170W RMS) 6x9" S-Series Hi-Res 2-Way Coaxial 4-ohm Car Speakers

• 260 watts Peak Each, 85 watts RMS Each
• Hi-Res Audio Certified
• 1" Cloth Dome tweeters
• Polypropylene, Glass Fiber and Mica 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 $17.00 in rewards to spend later

install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
3
List price $200.00
-15% $169.95 /pair

In stock

Kicker KSS67 (51KSS6704)

500W Peak (250W RMS) 6.75" KS Series 2 Way Component 4-ohm Speaker System

51KSS6704 big
Go to item page Right Arrow Icon of Right Arrow

500W Peak (250W RMS) 6.75" KS Series 2 Way Component 4-ohm Speaker System

• 250 watts Peak Each, 125 watts RMS Each
• 1" Silk Dome tweeters
• 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 $25.00 in rewards to spend later

install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
1
List price $279.99
-11% $249.99 /set

In stock

Only 3 Left!

DS18 DXQ6C3

600W Peak (300W RMS) 6.5" DXQ Series 3-Way Component 4-ohm Speaker System

DXQ6C3 big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (300W RMS) 6.5" DXQ Series 3-Way Component 4-ohm Speaker System

• 300 watts Peak Each, 150 watts RMS Each
• 2" Silk Dome Tweeters
• Composite Foam 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 $60.00 in rewards to spend later

install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
$599.95 /set

In stock

Only 2 Left!

Limited time!

Pioneer TS-D65F

540W Peak (180W RMS) 6.5" D Series 2-Way Coaxial 4-ohm Speakers

TS-D65F big
Go to item page Right Arrow Icon of Right Arrow

540W Peak (180W RMS) 6.5" D Series 2-Way Coaxial 4-ohm Speakers

• 270 watts Peak Each, 90 watts RMS Each
• 1" Polyester Fiber Soft Dome swivel tweeters
• Aramid fiber reinforced Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 85 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
List price $210.00
Save $99.50
-47% $110.50 /pair

In stock

Limited time!

Alpine S2-S40

280W Peak (90W RMS) 4" S-Series Hi-Res 2-Way Coaxial 4-ohm Car Speakers

S2-S40 big
Go to item page Right Arrow Icon of Right Arrow

280W Peak (90W RMS) 4" S-Series Hi-Res 2-Way Coaxial 4-ohm Car Speakers

• 140 watts Peak Each, 45 watts RMS Each
• Hi-Res Audio Certified
• 3/4" Cloth Soft Dome tweeters
• Polypropylene, Glass Fiber and Mica 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.
VIP Star Icon

VIP Product Get $11.00 in rewards to spend later

install icon

Save $9 on install kits for this speaker

found car based on your search
Fits the following location in your Quantum
  • Rear Door
2
List price $130.00
-15% $109.95 /pair

In stock

JBL CLUB 964M (JBLSPKCB964M)

450W Peak (170W RMS) 6x9" Club Series 2 Way Coaxial 3-ohm Speakers

CLUB 964M big
Go to item page Right Arrow Icon of Right Arrow

450W Peak (170W RMS) 6x9" Club Series 2 Way Coaxial 3-ohm Speakers

• 255 watts Peak Each, 85 watts RMS Each
• Silk Edge Driven Dome tweeters
• UV-Resistant Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 93 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 $179.95
-17% $149.95 /pair

In stock

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 Speakers in 1988 Quantum

    Q: Can I upgrade or change the Speakers in 1988 Volkswagen Quantum?

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

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

    1987 Oldsmobile Calais

    1988 Volkswagen Quantum

    2025 BMW 3 Series

    2008 Mercedes-Benz E-Class

    2021 Tesla Model X

    1998 Subaru Forester

    2020 Chevrolet Blazer

    2008 Mazda 3

    2011 Lexus IS250C

    2013 Chevrolet Equinox

    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.