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

Rockford Fosgate Prime R1675X2

180W Peak (90W RMS) 6.75" Prime Series 2 Way Coaxial 4-ohm Speakers

R1675X2 big
Go to item page Right Arrow Icon of Right Arrow

180W Peak (90W RMS) 6.75" Prime Series 2 Way Coaxial 4-ohm Speakers

• 90 watts Peak Each, 45 watts RMS Each
• 1/2" Silk Dome tweeters
• Polypropylene 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 $8.00 in rewards to spend later

install icon

Save $35 on install kits for this speaker

found car based on your search
Fits the following location in your S6
59
$79.99 /pair

In stock

Used from: $67.99

Infinity REF-6532ex with Sound Damping

330W Max (110W RMS) 6.5" Reference Series 2-Way Coaxial EZ Fit Car Speakers + NVX SDSK2 Sound Damping

REF6532EXAM_SDSK2 big
Go to item page Right Arrow Icon of Right Arrow

330W Max (110W RMS) 6.5" Reference Series 2-Way Coaxial EZ Fit Car Speakers + NVX SDSK2 Sound Damping

• 165 Watts Max Each, 55 Watts RMS Each
• Edge-Driven Textile Tweeter
• Plus One Polypropylene Oversized Cone
• 3 ohm Impedance
• Sensitivity: 93dB
• Mounting Depth: 1-13/16"

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 S6
54
List price $148.74
-36% $94.98

In stock

• 165 Watts Max Each, 55 Watts RMS Each
• Edge-Driven Textile Tweeter
• Plus One Polypropylene Oversized Cone
• 3 ohm Impedance
• Sensitivity: 93dB
• Mounting Depth: 1-13/16"

NVX - Worth the Envy - Direct to Consumer Car Audio

NVX XQS65KIT Version 2 (XQS65KITv2)

600W Peak (300W RMS) 6.5" X-Series 2 Way Component Car Speakers

XQS65KITv2 big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (300W RMS) 6.5" X-Series 2 Way Component Car Speakers

• 300 watts Peak Each, 150 watts RMS Each
• 1-1/8" Silk Dome tweeters
• Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

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

VIP Product Get $40.00 in rewards to spend later

install icon

Install kits available for this speaker

found car based on your search
Fits the following location in your S6
9
List price $499.99
-20% $399.99 /set

In stock

Continue to cart

Available Offers (3) for NVX XQS65KIT Version 2 (XQS65KITv2)
Offer image
Prime Time! Save 25% at Checkout!
List price $499.99
-20% $399.99
$299.99 with coupon | Price details
2026-06-28 23:59:00
Free Baffles with Select Speakers
Purchase $400 or More of NVX and Save 15%!
2026-07-27 11:08:20
Limited time!

Kicker CSS67 (46CSS674)

600W Peak (200W RMS) 6.75" CS Series 2 Way Component 4-ohm Speaker System

46CSS674 big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (200W RMS) 6.75" CS Series 2 Way Component 4-ohm Speaker System

• 300 watts Max Each, 100 watts RMS Each
• 3/4" Titanium Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB
• Mounting Depth: 1-7/8"

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 the following location in your S6
5
List price $199.99
Save $56.03
-28% $143.96 /set

In stock

DS18 PRO-X6.4BMPK

1000W Peak (500W RMS) 6.5” PRO-X Series 4-ohm Pro Audio Component Speakers Set

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

1000W Peak (500W RMS) 6.5” PRO-X Series 4-ohm Pro Audio Component Speakers Set

• 500 watts Peak Each, 250 watts RMS Each
• 1" Aluminum Bullet super tweeters with ferrite magnets
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

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

VIP Product Get $14.00 in rewards to spend later

install icon

Save $16 on install kits for this speaker

found car based on your search
Fits the following location in your S6
4
$139.95 /set

In stock

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 $27 on install kits for this speaker

found car based on your search
Fits the following location in your S6
43
List price $95.99
-17% $79.99 /pair

In stock

Limited time!

JL Audio C1-650

100W RMS 6.5" C1 Series 2 Way Component 4-ohm Car Speakers

C1-650 big
Go to item page Right Arrow Icon of Right Arrow

100W RMS 6.5" C1 Series 2 Way Component 4-ohm Car Speakers

• 50 watts RMS Each
• 3/4" Silk-Suspended Aluminum Edge Driven Dome tweeters
• Mineral-Filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90.5 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 $16.00 in rewards to spend later

install icon

Save $35 on install kits for this speaker

found car based on your search
Fits the following location in your S6
31
$159.99 /set

In stock

Used from: $135.99
Limited time!

Rockford Fosgate Power T1 T1675

300W Peak (150W RMS) 6.75” Power Series 2 Way Coaxial 4-ohm Speakers

T1675 big
Go to item page Right Arrow Icon of Right Arrow

300W Peak (150W RMS) 6.75” Power Series 2 Way Coaxial 4-ohm Speakers

• 150 watts Peak Each, 75 watts RMS Each
• 1" Aluminum Dome tweeters
• Carbon Fiber Reinforced IMPP cone material
• Impedance: 4 ohm
• Sensitivity: 89 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 $22.00 in rewards to spend later

install icon

Save $35 on install kits for this speaker

found car based on your search
Fits the following location in your S6
17
$219.99 /pair

In stock

Only 2 Left!

Used from: $186.99

Kicker KSC35 (51KSC3504)

200W Peak (100W RMS) 3.5" KS Series 2 Way Coaxial 4-ohm Speakers

51KSC3504 big
Go to item page Right Arrow Icon of Right Arrow

200W Peak (100W RMS) 3.5" KS Series 2 Way Coaxial 4-ohm Speakers

• 100 watts Peak Each, 50 watts RMS Each
• 1/2" Silk 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

Save $8 on install kits for this speaker

found car based on your search
Fits the following location in your S6
  • Center Dash
4
List price $89.99
-11% $79.99 /pair

In stock

Rockford Fosgate Punch P1 P132

80W Peak (40W RMS) 3.5” Punch Series 2 Way Coaxial 4-ohm Speakers

P132 big
Go to item page Right Arrow Icon of Right Arrow

80W Peak (40W RMS) 3.5” Punch Series 2 Way Coaxial 4-ohm Speakers

• 40 watts Peak Each, 20 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome tweeters
• Mineral-Filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 85 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 $8 on install kits for this speaker

found car based on your search
Fits the following location in your S6
  • Center Dash
47
$89.99 /pair

In stock

Used from: $76.49

NVX NSP65KIT

600W Peak (200W RMS) 6.5" N-Series 2 Way Component Car Speakers

NSP65KIT big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (200W RMS) 6.5" N-Series 2 Way Component Car Speakers

• 300 watts Peak Each, 100 watts RMS Each
• 3/4" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

2+ offers available
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 the following location in your S6
6
List price $107.99
-17% $89.99 /set

In stock

Continue to cart

Available Offers (2) for NVX NSP65KIT
Free Speaker Accessory at Checkout!
Purchase $400 or More of NVX and Save 15%!
2026-07-27 11:08:20
Used from: $55.99
Limited time!

Alpine R2-S652

600W Peak (200W RMS) 6.5" R-Series PRO 2-way 4-ohm Hi-Res Component Speaker System

R2-S652 big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (200W RMS) 6.5" R-Series PRO 2-way 4-ohm Hi-Res Component Speaker System

• 300 watts Peak Each, 100 watts RMS Each
• 1" Magnesium Hard Dome tweeters
• Reinforced Glass Fiber 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 $40.00 in rewards to spend later

install icon

Save $35 on install kits for this speaker

found car based on your search
Fits the following location in your S6
List price $600.00
Save $200.05
-33% $399.95 /set

In stock

Rockford Fosgate Power T2652-S + FREE $75 Gift Card

400W Peak (200W RMS) 6.5" Power Series 2-way Component Speaker System

T2652-S, 75EGIFT big
Go to item page Right Arrow Icon of Right Arrow

400W Peak (200W RMS) 6.5" Power Series 2-way Component Speaker System

• 200 watts Peak Each, 100 watts RMS Each
• 1" Aluminum Dome Tweeters with integral suspension
• Carbon Fiber & polypropylene injection molded cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

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 the following location in your S6
45
List price $524.99
-14% $449.99 /set

In stock

• 200 watts Peak Each, 100 watts RMS Each
• 1" Aluminum Dome Tweeters with integral suspension
• Carbon Fiber & polypropylene injection molded cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

Hertz SV 165 NEO + FREE $150 Gift Card

6.5" NEO Series 4 Ohms Car Speaker Midrange Driver

SV 165 NEO, 150EGIFT big
Go to item page Right Arrow Icon of Right Arrow

6.5" NEO Series 4 Ohms Car Speaker Midrange Driver

• 200 Watts Peak each
• 75 Watts RMS each
• Water repellent pressed paper cone material
• Neodymium Magnet
• 4 ohm impedance
•Nature Proof

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 the following location in your S6
3
List price $680.00
-34% $449.99 /pair

In stock

• 200 Watts Peak each
• 75 Watts RMS each
• Water repellent pressed paper cone material
• Neodymium Magnet
• 4 ohm impedance
•Nature Proof

Orion HCCA64N

2800W Peak (700W RMS) 6.5" HCCA Series Pro Audio Midrange 4-ohm Car Speakers

HCCA64N big
Go to item page Right Arrow Icon of Right Arrow

2800W Peak (700W RMS) 6.5" HCCA Series Pro Audio Midrange 4-ohm Car Speakers

• 1400 watts Peak Each, 350 watts RMS Each
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 99 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

Save $26 on install kits for this speaker

found car based on your search
Fits the following location in your S6
List price $263.99
-17% $219.95 /pair

In stock

Limited time!

JL Audio CF-275mt

60W RMS 2.75" CF Series Custom-Fit Midrange 4-ohm Tweeters

CF-275mt big
Go to item page Right Arrow Icon of Right Arrow

60W RMS 2.75" CF Series Custom-Fit Midrange 4-ohm Tweeters

• 2-3/4" CF Series Midtweeters
• 30 watts RMS Each
• 4 ohm Impedance

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

VIP Product Get $14.50 in rewards to spend later

install icon

Save $8 on install kits for this speaker

found car based on your search
Fits the following location in your S6
  • Center Dash
12
List price $169.99
Save $25.00
-15% $144.99 /pair

In stock

Used from: $123.24
Limited time!

Infinity Kappa 63XF (INFSPKKA63XFAM)

510W Peak (170W RMS) 6.5" Kappa Series 2 Way Coaxial 3-ohm Speakers

Kappa 63XF big
Go to item page Right Arrow Icon of Right Arrow

510W Peak (170W RMS) 6.5" Kappa Series 2 Way Coaxial 3-ohm Speakers

• 255 watts Peak Each, 85 watts RMS Each
• Silk Edge Driven Dome 40kHz high-resolution unipivot tweeters
• Glass Fiber cone material with Plus One woofer cone architecture
• Impedance: 3 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 $20.00 in rewards to spend later

install icon

Save $35 on install kits for this speaker

found car based on your search
Fits the following location in your S6
10
List price $299.95
Save $100.00
-33% $199.95 /pair

In stock

NVX VPRO65 (Sold Individually)

450W Peak (225W RMS) 6.5" V-Series Pro 2 Way Coaxial Loudspeaker

VPRO65 big
Go to item page Right Arrow Icon of Right Arrow

450W Peak (225W RMS) 6.5" V-Series Pro 2 Way Coaxial Loudspeaker

• 450 watts Peak Each, 225 watts RMS Each
• 1" Aluminum Bullet 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.
VIP Star Icon

VIP Product Get $7.50 in rewards to spend later

install icon

Save $21 on install kits for this speaker

found car based on your search
Fits the following location in your S6
4
List price $82.99
-10% $74.99

In stock

Continue to cart

Available Offers (2) for NVX VPRO65 (Sold Individually)
Free Speaker Accessory at Checkout!
Purchase $400 or More of NVX and Save 15%!
2026-07-27 11:08:20
Like New from: $63.74

Pioneer TS-A878

120W Peak (30W RMS) 3.5" A-Series 2-way 4-ohm Coaxial Speakers for select GM, Ford and Volkswagen models

TS-A878 big
Go to item page Right Arrow Icon of Right Arrow

120W Peak (30W RMS) 3.5" A-Series 2-way 4-ohm Coaxial Speakers for select GM, Ford and Volkswagen models

• 60 watts Peak Each, 15 watts RMS Each
• Custom-fit for select GM, Ford and Volkswagen models
• 1" PEI (Polyetherimide) Dome tweeters
• Carbon Graphite IMPP Interlaced Aramid Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 88 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 the following location in your S6
  • Center Dash
31
List price $70.00
-29% $49.99 /pair

In stock

Cerwin-Vega H735

500W Peak (60W RMS) 3.5" HED Series 2-Way Coaxial 4-ohm Speakers

H735 big
Go to item page Right Arrow Icon of Right Arrow

500W Peak (60W RMS) 3.5" HED Series 2-Way Coaxial 4-ohm Speakers

• 250 watts Peak Each, 30 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 84.5 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 the following location in your S6
  • Center Dash
34
List price $71.99
-17% $59.99 /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 2015 S6

    Q: Can I upgrade or change the Speakers in 2015 Audi S6?

    A: Yes this page includes all the best Speakers that work in your S6.

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

    1993 Isuzu Impulse

    2015 Audi S6

    2005 Cadillac STS

    1994 Nissan Altima

    1979 Mercury Capri

    2003 Audi A6

    2008 Lamborghini Gallardo

    2014 Audi S5

    2008 Mazda B4000

    1979 Mazda 626

    Vehicle
    Store
    Delete

    2015 Can-Am Commander 1000 XT-P

    2022 Can-Am Defender MAX HD7

    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.