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

Kenwood eXcelon XR-1701

600W Peak (200W RMS) 6.5" eXcelon Reference Series 2-Way Coaxial 3-ohm Car Speakers (Hi-Res Audio Certified)

XR-1701 big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (200W RMS) 6.5" eXcelon Reference Series 2-Way Coaxial 3-ohm Car Speakers (Hi-Res Audio Certified)

• 300 watts Peak Each, 100 watts RMS Each
• 1-3/16" Titanium Hard Dome Tweeters
• Glass Fiber cone material
• High-resolution (Hi-Res) audio certified
• Impedance: 3 ohm
• Sensitivity: 87 dB

Free Baffles with Select Speakers Shop deal
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $17.90 in rewards to spend later

install icon

Save $8 on install kits for this speaker

found car based on your search
Fits multiple locations in your S3
3
List price $290.00
Save $111.00
-38% $179.00 /pair

In stock

Limited time!

Polk Audio MM652 (MM 652)

600W Peak (200W RMS) 6.5" Mobile Monitor Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

MM652 big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (200W RMS) 6.5" Mobile Monitor Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

• 300 watts Peak Each, 100 watts RMS Each
• IP56 marine certified, with weep holes for proper drainage
• 1" Terylene Dome pivoting tweeters
• Titanium Coated Composite cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

Free Baffles with Select Speakers Shop deal
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $17.90 in rewards to spend later

install icon

Save $35 on install kits for this speaker

found car based on your search
Fits multiple locations in your S3
9
List price $249.00
-28% $179.00 /pair

In stock

Only 1 Left!

JVC CS-DR1721

600W Peak (100W RMS) 6.75" DRVN DR Series 2-Way 4-ohm Shallow-Mount Coaxial Car Speakers

CS-DR1721 big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (100W RMS) 6.75" DRVN DR Series 2-Way 4-ohm Shallow-Mount Coaxial Car Speakers

• 300 watts Peak Each, 50 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Drive tweeters
• Carbon Mica cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

1+ offers available
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 $35 on install kits for this speaker

found car based on your search
Fits multiple locations in your S3
4
List price $119.00
-17% $99.00 /pair

In stock

Continue to cart

Available Offers (2) for JVC CS-DR1721
Offer image
Flash Sale! Save at Checkout!
List price $119.00
-17% $99.00
$79.20 with coupon | Price details
Free Speaker Accessory at Checkout!

Hertz DCX 160.3

240W Peak (120W RMS) 6” Power Series 2-way 4-ohm Coaxial Car Speakers with 6" Adaptor Ring for GM and Honda models

DCX 160.3 big
Go to item page Right Arrow Icon of Right Arrow

240W Peak (120W RMS) 6” Power Series 2-way 4-ohm Coaxial Car Speakers with 6" Adaptor Ring for GM and Honda models

• 120 watts Peak Each, 60 watts RMS Each
• 1/2" PEI (Polyetherimide) Cone tweeters
• Water-repellent Treated Paper cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

1+ offers available
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 $35 on install kits for this speaker

found car based on your search
Fits multiple locations in your S3
List price $150.00
-13% $129.99 /pair

In stock

Only 2 Left!

Continue to cart

Available Offers (2) for Hertz DCX 160.3
Offer image
Flash Sale! Save at Checkout!
List price $150.00
-13% $129.99
$110.49 with coupon | Price details
Free Speaker Accessory at Checkout!
Limited time!

Alpine BRV-S80C

300W Peak (100W RMS) 8" BassRev Series 2-Way 4-ohm Component Speaker System

BRV-S80C big
Go to item page Right Arrow Icon of Right Arrow

300W Peak (100W RMS) 8" BassRev Series 2-Way 4-ohm Component Speaker System

• 150 watts Peak Each, 50 watts RMS Each
• 3/4" Teteron Dome Tweeters
• Polypropylene-Mica cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

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

VIP Product Get $30.40 in rewards to spend later

install icon

Save $8 on install kits for this speaker

found car based on your search
Fits your S3
1
List price $455.00
Save $151.05
-33% $303.95 /set

In stock

NVX VPRO65HS (Sold Individually)

350W Peak (175W RMS) 6.5" V-Series Pro 2 Way Coaxial Shallow Loudspeaker

VPRO65HS big
Go to item page Right Arrow Icon of Right Arrow

350W Peak (175W RMS) 6.5" V-Series Pro 2 Way Coaxial Shallow Loudspeaker

• 350 watts Peak Each, 175 watts RMS Each
• 1" Aluminum Horn tweeter
• Competition Grade Paper cone material
• Impedance: 4 ohm
• Sensitivity: 97 dB

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

Save $18 on install kits for this speaker

found car based on your search
Fits multiple locations in your S3
3
List price $95.99
-27% $69.99

In stock

Only 1 Left!

Continue to cart

Available Offers (2) for NVX VPRO65HS (Sold Individually)
Offer image
Prime Time! Save 20% at Checkout!
List price $95.99
-27% $69.99
$55.99 with coupon | Price details
2026-06-28 23:59:00
Free Speaker Accessory at Checkout!
Used from: $45.49

DS18 ZXI-3542

240W Peak (80W RMS) 3.5" ZXI Series 2-Way Coaxial 4-ohm Car Speakers

ZXI-3542 big
Go to item page Right Arrow Icon of Right Arrow

240W Peak (80W RMS) 3.5" ZXI Series 2-Way Coaxial 4-ohm Car Speakers

• 120 watts Peak Each, 40 watts RMS Each
• 1" PEI (Polyetherimide) Dome Tweeters
• Glass Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

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

Save $8 on install kits for this speaker

found car based on your search
Fits multiple locations in your S3
  • Center Dash
  • Front Door
  • Rear Deck Corner
List price $86.99
-17% $71.95 /pair

In stock

Hifonics ZS35CX

250W Peak (50W RMS) 3.5” Zeus Series 2-way 4-ohm Coaxial Car Speakers

ZS35CX big
Go to item page Right Arrow Icon of Right Arrow

250W Peak (50W RMS) 3.5” Zeus Series 2-way 4-ohm Coaxial Car Speakers

• 125 watts Peak Each, 25 watts RMS Each
• 1" Neo-Mylar Soft Dome tweeters
• Alpha-Cellulose cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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

Save $5 on install kits for this speaker

found car based on your search
Fits multiple locations in your S3
  • Center Dash
  • Front Door
  • Rear Deck Corner
10
$24.99 /pair

In stock

Hertz SV 200.1

1000W Peak (400W RMS) 8" SPL Show Series 4-ohm Midrange Car Speakers

Go to item page Right Arrow Icon of Right Arrow

1000W Peak (400W RMS) 8" SPL Show Series 4-ohm Midrange Car Speakers

• 500 watts Peak Each, 200 watts RMS Each
• Ultra-Light Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 100 dB

VIP Star Icon

VIP Product Get $35.00 in rewards to spend later

install icon

Save $8 on install kits for this speaker

found car based on your search
Fits your S3
List price $405.00
-14% $349.99 /pair

• 500 watts Peak Each, 200 watts RMS Each
• Ultra-Light Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 100 dB

Alpine S2-S65C with Sound Damping

480W Peak (160W RMS) 6.5" S-Series 2-way Component Speaker System + NVX SDSK2 Sound Damping

S2S65C_SDSK2 big
Go to item page Right Arrow Icon of Right Arrow

480W Peak (160W RMS) 6.5" S-Series 2-way Component Speaker System + NVX SDSK2 Sound Damping

• 240 watts Peak Each, 80 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 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 S3
49
List price $238.74
-18% $194.94

In stock

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

Limited time!

Alpine EL-E65C-G

320W Peak (80W RMS) 6.5" EL Series 2-Way Component 4-ohm Car Speakers

EL-E65C-G big
Go to item page Right Arrow Icon of Right Arrow

320W Peak (80W RMS) 6.5" EL Series 2-Way Component 4-ohm Car Speakers

• 160 watts Peak Each, 40 watts RMS Each
• 3/4" Teteron 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

Save $35 on install kits for this speaker

found car based on your search
Fits multiple locations in your S3
1
List price $110.00
-18% $89.95 /set

In stock

JVC CS-DR621

600W Peak (100W RMS) 6.5" DRVN DR Series 2-Way 4-ohm Shallow-Mount Coaxial Car Speakers

CS-DR621 big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (100W RMS) 6.5" DRVN DR Series 2-Way 4-ohm Shallow-Mount Coaxial Car Speakers

• 300 watts Peak Each, 50 watts RMS Each
• 1" Polyetherimide Balanced Dome tweeters
• Carbon Mica cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

1+ offers available
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 $35 on install kits for this speaker

found car based on your search
Fits multiple locations in your S3
3
List price $119.00
-17% $99.00 /pair

In stock

Continue to cart

Available Offers (2) for JVC CS-DR621
Offer image
Flash Sale! Save at Checkout!
List price $119.00
-17% $99.00
$79.20 with coupon | Price details
Free Speaker Accessory at Checkout!

Pioneer TS-A653FH

680W Peak (150W RMS) 6.5" A Series 2-way 4-ohm Coaxial Car Speakers

TS-A653FH big
Go to item page Right Arrow Icon of Right Arrow

680W Peak (150W RMS) 6.5" A Series 2-way 4-ohm Coaxial Car Speakers

• 340 watts Peak Each, 75 watts RMS Each
• 13/16 PEI (Polyetherimide) Hard Dome tweeters
• Aramid fiber reinforced Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 91 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 S3
1
List price $120.00
-17% $99.99 /pair

In stock

Limited time!

Rockford Fosgate Punch P1V2-65

300W Peak (150W RMS) 6.5" Punch P1 Series 3 Way Coaxial 4-ohm Speakers

P1V2-65 big
Go to item page Right Arrow Icon of Right Arrow

300W Peak (150W RMS) 6.5" Punch P1 Series 3 Way Coaxial 4-ohm Speakers

• 150 watts Peak Each, 75 watts RMS Each
• 3/4" Tetolon Inverted Dome tweeters
• 3/8" Polypropylene-Piezo super tweeters
• Mica reinforced Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

Free Baffles with Select Speakers Shop deal
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $18.00 in rewards to spend later

install icon

Save $35 on install kits for this speaker

found car based on your search
Fits multiple locations in your S3
List price $239.99
Save $60.00
-25% $179.99 /pair

In stock

Only 2 Left!

Used from: $119.99
Limited time!

Hertz CX 165

420W Peak (140W RMS) 6.5" Cento Series 2-Way Coaxial 4-ohm Car Speakers

CX 165 big
Go to item page Right Arrow Icon of Right Arrow

420W Peak (140W RMS) 6.5" Cento Series 2-Way Coaxial 4-ohm Car Speakers

• 210 watts Peak Each, 70 watts RMS Each
• 0.9" Tetolon Dome tweeters
• Semi-Pressed paper with Mica cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

Free Baffles with Select Speakers Shop deal
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

Save $35 on install kits for this speaker

found car based on your search
Fits multiple locations in your S3
2
List price $260.00
$249.99 /pair

In stock

Limited time!

Hertz MPX 165.3

400W Peak (200W RMS) 6.5" Mille Pro Series 2-Way Pro Audio Coaxial 4-ohm Speakers

MPX 165.3 big
Go to item page Right Arrow Icon of Right Arrow

400W Peak (200W RMS) 6.5" Mille Pro Series 2-Way Pro Audio Coaxial 4-ohm Speakers

• 200 watts Peak Each, 100 watts RMS Each
• 1" Tetolon Soft Dome Tweeters
• Pressed Pulp with Cotton Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

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

VIP Product Get $45.00 in rewards to spend later

install icon

Save $35 on install kits for this speaker

found car based on your search
Fits multiple locations in your S3
3
List price $470.00
$449.99 /pair

In stock

Hertz SV 200L

1000W Peak (500W RMS) 8" SPL Show Series 4-ohm Midbass Component Woofers

SV 200L big
Go to item page Right Arrow Icon of Right Arrow

1000W Peak (500W RMS) 8" SPL Show Series 4-ohm Midbass Component Woofers

• 500 watts Peak Each, 250 watts RMS Each
• Pulp Cotton Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 94.5 dB

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

VIP Product Get $35.00 in rewards to spend later

install icon

Save $8 on install kits for this speaker

found car based on your search
Fits your S3
1
List price $405.00
-14% $349.99 /pair

In stock

Only 2 Left!

Limited time!

JVC CS-DF620

600W Peak (50W RMS) 6.5" DRVN DF Series 2-Way 4-ohm Shallow-Mount Coaxial Car Speakers

CS-DF620 big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (50W RMS) 6.5" DRVN DF Series 2-Way 4-ohm Shallow-Mount Coaxial Car Speakers

• 300 watts Peak Each, 25 watts RMS Each
• 1" Balanced 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

Install kits available for most vehicles

found car based on your search
Fits multiple locations in your S3
4
List price $64.00
Save 39%
-39% $38.99 /pair

In stock

Limited time!

MB Quart PS1-216

240W Peak (120W RMS) 6.5" Premium Series 2-Way 4-ohm Component Speaker System

PS1-216 big
Go to item page Right Arrow Icon of Right Arrow

240W Peak (120W RMS) 6.5" Premium Series 2-Way 4-ohm Component Speaker System

• 120 watts Peak Each, 60 watts RMS Each
• 1" Magnesium Dome tweeters
• Tunable waveguide tweeter housing
• Pop Paper-Mica Blend cone material
• Curvilinear cone design geometry
• Impedance: 4 ohm
• Sensitivity: 88.9 dB

Free Baffles with Select Speakers Shop deal
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $17.06 in rewards to spend later

install icon

Save $35 on install kits for this speaker

found car based on your search
Fits multiple locations in your S3
List price $239.99
-29% $170.62 /set

In stock

Limited time!

Hertz CPK 165

630W Peak (210W RMS) 6.5" Cento Series 2-way 4-ohm Component Speaker System

CPK 165 big
Go to item page Right Arrow Icon of Right Arrow

630W Peak (210W RMS) 6.5" Cento Series 2-way 4-ohm Component Speaker System

• 315 watts Peak Each, 105 watts RMS Each
• 1.14" Tetolon Soft Dome tweeters with neodymium magnets
• Pressed Paper cone material with FEM-optimized geometry
• Impedance: 4 ohm
• Sensitivity: 92.5 dB

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

VIP Product Get $50.00 in rewards to spend later

install icon

Save $35 on install kits for this speaker

found car based on your search
Fits multiple locations in your S3
1
List price $600.00
-17% $499.99 /set

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 2018 S3

    Q: Can I upgrade or change the Speakers in 2018 Audi S3?

    A: Yes this page includes all the best Speakers that work in your S3.

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

    2018 Audi S3

    1989 Eagle Summit

    1991 Hyundai Excel

    2025 Ford E-Transit

    1986 Subaru DL

    2000 BMW 328Ci

    2023 Kia Stinger

    1982 Nissan 210

    1993 Subaru Justy

    2002 Infiniti QX4

    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.