Garage
Shop

Loading...
XED1T main

Cerwin-Vega XED1T

1000W Peak (90W RMS) 1” XED Series Piezo Dome Tweeters

17

$24.99

List price $24.99

Shop all 2018 Audi S6 Car Audio, Speakers, & Electronics

Loading...
Filters
filter-icon Filters & Sort

Fortin EVO-ALL Universal Digital Remote Start & Bypass Module

Universal All-In-One Data Bypass and Interface Module

EVO-ALL big
Go to item page Right Arrow Icon of Right Arrow

Universal All-In-One Data Bypass and Interface Module

• All-In-One Data Immobilizer Bypass and Door Lock Interface
• Multibus Architecture With 10 Separate Communication Ports
• Hassle Free Installation
• Self-Learning Algorithm

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

empty

found car based on your search
This product fits your 2018 S6
18
Was $129.99 Details
$75.99

In stock

Only 1 Left!

• All-In-One Data Immobilizer Bypass and Door Lock Interface
• Multibus Architecture With 10 Separate Communication Ports
• Hassle Free Installation
• Self-Learning Algorithm

Lowest price in 30 days

Metra 40-EU20 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 1998-2025 vehicles from BMW, Ford, Chevrolet

40-EU20 big
Go to item page Right Arrow Icon of Right Arrow

Connect your factory antenna to a new aftermarket radio for select 1998-2025 vehicles from BMW, Ford, Chevrolet

• Radio to Antenna Adapter
• select 1998-2025 vehicles from BMW, Ford, Chevrolet Vehicles
• Factory radio with mini-style plug to universal antenna

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

empty

found car based on your search
This product fits your 2018 S6
3
Was $29.99 Details
$8.99

In stock

• Radio to Antenna Adapter
• select 1998-2025 vehicles from BMW, Ford, Chevrolet Vehicles
• Factory radio with mini-style plug to universal antenna

Scosche VWA3RB Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 1998-2025 vehicles from Ford, BMW, Chevrolet

VWA3RB big
Go to item page Right Arrow Icon of Right Arrow

Connect your factory antenna to a new aftermarket radio for select 1998-2025 vehicles from Ford, BMW, Chevrolet

• select 1998-2025 vehicles from Ford, BMW, Chevrolet Vehicles
• Aftermarket Antenna Female (Motorola Plug) to Factory Radio Male (Proprietary Plug)

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

empty

found car based on your search
This product fits your 2018 S6
1
Was $19.99 Details
$9.95

In stock

• select 1998-2025 vehicles from Ford, BMW, Chevrolet Vehicles
• Aftermarket Antenna Female (Motorola Plug) to Factory Radio Male (Proprietary Plug)

Lowest price in 30 days

Metra 40-EU66 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 2005-2025 vehicles from BMW, Audi, Volkswagen

40-EU66 big
Go to item page Right Arrow Icon of Right Arrow

Connect your factory antenna to a new aftermarket radio for select 2005-2025 vehicles from BMW, Audi, Volkswagen

• European antenna adapter, dual connector (FAKRA)
• European factory radio cable to aftermarket antenna
• Can also be used along with the 40-EU56 for “RF adapter” installations

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

empty

found car based on your search
This product fits your 2018 S6
Was $24.99 Details
$22.99

In stock

Only 3 Left!

• European antenna adapter, dual connector (FAKRA)
• European factory radio cable to aftermarket antenna
• Can also be used along with the 40-EU56 for “RF adapter” installations

Crux VIMAD-84M

VIM Activation for 2013-2018 Audi/VW/Bentley Vehicles w/ MIB and MIB II Nav Systems

VIMAD-84M big
Go to item page Right Arrow Icon of Right Arrow

VIM Activation for 2013-2018 Audi/VW/Bentley Vehicles w/ MIB and MIB II Nav Systems

• Video in Motion Activation Module
• Designed for OEM Equipment Only
• Plug & Play Installation
• Allows Onscreen Access to Factory Bluetooth Keypad
• Dimensions: 3.5"L x 2.5"W x 7"H

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

VIP Product Get $23.30 in rewards to spend later

empty

found car based on your search
This product fits your 2018 S6
Was $377.95 Details
$232.95

In stock.

• Video in Motion Activation Module
• Designed for OEM Equipment Only
• Plug & Play Installation
• Allows Onscreen Access to Factory Bluetooth Keypad
• Dimensions: 3.5"L x 2.5"W x 7"H

Limited time!

Kicker CSC65 (46CSC654)

600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers

CSC654 big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers

• 300 watts Peak Each, 100 watts RMS Each
• 1/2" PEI (Polyetherimide) Balanced Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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

empty

found car based on your search
Fits the following location in your 2018 S6
  • Rear Door
114
Was $99.99 Details
Save $23.03
$76.96 /pair

In stock

Rockford Fosgate Prime R165X3

180W Peak (90W RMS) 6.5" Prime Series 3 Way 4-ohm Coaxial Car Speakers

R165X3 big
Go to item page Right Arrow Icon of Right Arrow

180W Peak (90W RMS) 6.5" Prime Series 3 Way 4-ohm Coaxial Car Speakers

• 90 watts Peak Each, 45 watts RMS Each
• 1/2" Piezo pole-mounted 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 $8.00 in rewards to spend later

empty

found car based on your search
Fits the following location in your 2018 S6
  • Rear Door
145
$79.99 /pair

In stock

Like New from: $59.99
Limited time!

Alpine S2-S65

480W Peak (160W RMS) 6.5" S-Series 2-way Coaxial 4-ohm Speakers

S2-S65 big
Go to item page Right Arrow Icon of Right Arrow

480W Peak (160W RMS) 6.5" S-Series 2-way Coaxial 4-ohm Speakers

• 240 watts Peak Each, 80 watts RMS Each
• Hi-Res Audio-certified
• 1" Cloth Dome tweeters
• Polypropylene, Glass Fiber and Mica cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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

empty

found car based on your search
Fits the following location in your 2018 S6
  • Rear Door
5
Was $180.00 Details
Save $60.05
$119.95 /pair

In stock

NVX ESP65

360W Peak (120W RMS) 6.5" E-Series 2-Way Coaxial Speakers with 13mm PEI Dome Tweeters

ESP65 big
Go to item page Right Arrow Icon of Right Arrow

360W Peak (120W RMS) 6.5" E-Series 2-Way Coaxial Speakers with 13mm PEI Dome Tweeters

• 180 watts Peak Each, 60 watts RMS Each
• 1/2" PEI (Polyetherimide) Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

Save 10% on NVX at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $4.50 in rewards to spend later

empty

found car based on your search
Fits the following location in your 2018 S6
  • Rear Door
10
Was $53.99 Details
$44.99 /pair

In stock

JBL Stadium 62CF

660W Peak (220W RMS) 6.5" Stadium Series 2-way Component 3-ohm Speakers

Stadium 62CF big
Go to item page Right Arrow Icon of Right Arrow

660W Peak (220W RMS) 6.5" Stadium Series 2-way Component 3-ohm Speakers

• 330 watts Peak Each, 110 watts RMS Each
• 3/4" Aluminum Edge Driven Dome Tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

FREE Baffles, Damping, and More at Checkout! Shop deal
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $41.00 in rewards to spend later

empty

found car based on your search
Fits the following location in your 2018 S6
  • Rear Door
1
Was $439.95 Details
$409.95 /set

In stock

Like New from: $327.96

• 330 watts Peak Each, 110 watts RMS Each
• 3/4" Aluminum Edge Driven Dome Tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

JBL Stage3 427F (STAGE3427FAM)

300W Peak (60W RMS) 4" Stage3 Series 2-way Coaxial 3-ohm Speakers

Stage3 427F big
Go to item page Right Arrow Icon of Right Arrow

300W Peak (60W RMS) 4" Stage3 Series 2-way Coaxial 3-ohm Speakers

• 150 watts Peak Each, 30 watts RMS Each
• Edge-driven Dome tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 90 dB

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

BONUS $$$ savings on install gear!

additional information required
Add more info to confirm vehicle fitment
3
Was $89.95 Details
$69.95 /pair

In stock

• 150 watts Peak Each, 30 watts RMS Each
• Edge-driven Dome tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 90 dB

Limited time!

Kicker KSS5 (51KSS504)

400W Peak (200W RMS) 5.25" KS Series 2-way 4-ohm Component Speaker System (KSS504)

51KSS504 big
Go to item page Right Arrow Icon of Right Arrow

400W Peak (200W RMS) 5.25" KS Series 2-way 4-ohm Component Speaker System (KSS504)

• 200 watts Peak Each, 100 watts RMS Each
• 1" Silk Dome tweeters
• 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 $20.00 in rewards to spend later

empty

found car based on your search
Fits the following location in your 2018 S6
  • Front Door
1
Was $279.99 Details
Save $80.03
$199.96 /set

In stock

Only 3 Left!

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

Hertz DSK 130.3

240W Peak (120W RMS) 5.25” Dieci Series 2-way 4-ohm Component Speaker System

Go to item page Right Arrow Icon of Right Arrow

240W Peak (120W RMS) 5.25” Dieci Series 2-way 4-ohm Component Speaker System

• 120 watts Peak Each, 60 watts RMS Each
• 1" PEI (Polyetherimide) Dome-Cone tweeters with high-energy neodymium magnets
• Water-repellent Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

FREE Baffles, Damping, and More at Checkout! Shop deal
VIP Star Icon

VIP Product Get $20.00 in rewards to spend later

empty

found car based on your search
Fits the following location in your 2018 S6
  • Front Door
Was $230.00 Details
$199.99 /set

• 120 watts Peak Each, 60 watts RMS Each
• 1" PEI (Polyetherimide) Dome-Cone tweeters with high-energy neodymium magnets
• Water-repellent Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

AudioControl PNW-525

150W Peak (100W RMS) 5.25″ PNW Series 2-way 2.6-ohm Coaxial Car Speakers

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

150W Peak (100W RMS) 5.25″ PNW Series 2-way 2.6-ohm Coaxial Car Speakers

• 75 watts Peak Each, 50 watts RMS Each
• 0.79" Rear-dampened Hybrid Silk Dome tweeters
• Rigid Poly Mica cone material
• Impedance: 3 ohm
• Sensitivity: 88.41 dB

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

VIP Product Get $22.90 in rewards to spend later

empty

found car based on your search
Fits the following location in your 2018 S6
  • Front Door
Was $299.00 Details
$229.00 /pair

In stock

Only 1 Left!

• 75 watts Peak Each, 50 watts RMS Each
• 0.79" Rear-dampened Hybrid Silk Dome tweeters
• Rigid Poly Mica cone material
• Impedance: 3 ohm
• Sensitivity: 88.41 dB

Limited time!

Infinity Reference 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 Balanced Dome tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 dB

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

empty

found car based on your search
Fits the following location in your 2018 S6
  • Front Door
1
Was $139.95 Details
Save $52.00
$87.95 /pair

In stock

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

JL Audio C1-650se

450W Peak (100W RMS) 6.5" C1 Series 2-Way 4-ohm Component Speaker System

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

450W Peak (100W RMS) 6.5" C1 Series 2-Way 4-ohm Component Speaker System


• 50 watts RMS Each
• 1" Silk Dome Tweeters
• Mineral-Filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

FREE Baffles, Damping, and More at Checkout! Shop deal
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $23.00 in rewards to spend later

empty

found car based on your search
Fits the following location in your 2018 S6
  • Rear Door
1
$229.99 /set

In stock

Only 2 Left!


• 50 watts RMS Each
• 1" Silk Dome Tweeters
• Mineral-Filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

Memphis MXA62PS

300W Peak (150W RMS) 6.5" MXA Series 2 Way Coaxial 4-Ohm Powersport Speaker Pods with RGB LED Lighting

Go to item page Right Arrow Icon of Right Arrow

300W Peak (150W RMS) 6.5" MXA Series 2 Way Coaxial 4-Ohm Powersport Speaker Pods with RGB LED Lighting

• Peak Power: 150 watts Each
• RMS Power 75 watts Each
• 1" PEI (Polyetherimide) Dome tweeters
• Injection Molded Polypropylene cone
• Impedance: 4 ohm
• Sensitivity:

FREE Baffles, Damping, and More at Checkout! Shop deal
VIP Star Icon

VIP Product Get $40.00 in rewards to spend later

empty

found car based on your search
Fits the following location in your 2018 S6
  • Rear Door
Was $509.95 Details
$399.95 /pair

• Peak Power: 150 watts Each
• RMS Power 75 watts Each
• 1" PEI (Polyetherimide) Dome tweeters
• Injection Molded Polypropylene cone
• Impedance: 4 ohm
• Sensitivity:

Diamond Audio DMD652

200W Peak (100W RMS) 6.5" DMD Series 2-way Coaxial Car Speakers

DMD652 big
Go to item page Right Arrow Icon of Right Arrow

200W Peak (100W RMS) 6.5" DMD Series 2-way Coaxial Car Speakers

• 100 watts Peak Each, 50 watts RMS Each
• 1" Silk Dome tweeters
• Polypropylene cone material with reinforced stamped pattern
• Impedance: 4 ohm
• Sensitivity: 87 dB

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

VIP Product Get $12.00 in rewards to spend later

empty

found car based on your search
Fits the following location in your 2018 S6
  • Rear Door
Was $129.99 Details
$119.99 /pair

In stock

Only 1 Left!

Rockford Fosgate Punch P1650

220W Peak (110W RMS) 6.5" Punch P1 Series 2-way 4-ohm Coaxial Speakers

P1650 big
Go to item page Right Arrow Icon of Right Arrow

220W Peak (110W RMS) 6.5" Punch P1 Series 2-way 4-ohm Coaxial Speakers

• 110 watts Peak Each, 55 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome tweeters
• Mineral-Filled Polypropylene cone material with Vertical Attach Surround Technique (VAST)
• Impedance: 4 ohm
• Sensitivity: 88 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

empty

found car based on your search
Fits the following location in your 2018 S6
  • Rear Door
60
$109.99 /pair

In stock

Used from: $84.91

• 110 watts Peak Each, 55 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome tweeters
• Mineral-Filled Polypropylene cone material with Vertical Attach Surround Technique (VAST)
• Impedance: 4 ohm
• Sensitivity: 88 dB

Memphis Audio PRX603

200W Peak (100W RMS) 6.5" Power Reference Series 3-way 4-ohm Coaxial Car Speakers

PRX603 big
Go to item page Right Arrow Icon of Right Arrow

200W Peak (100W RMS) 6.5" Power Reference Series 3-way 4-ohm Coaxial Car Speakers

• 100 watts Peak Each, 50 watts RMS Each
• PEI (Polyetherimide) Dome multi-direction pivot tweeters
• Graphite Reinforced Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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

empty

found car based on your search
Fits the following location in your 2018 S6
  • Rear Door
1
Was $149.95 Details
$114.95 /pair

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 your 2018 S6

    Q: Can I upgrade the factory stereo system in my 2018 Audi S6?

    A: Yes you can improve your sound in your S6 by upgrading your speakers and/or adding an amplifier. You may also be able to update the stereo and main display in your 2018 S6 if there is a dash kit and harness solution available.

    Save up to 10 different vehicles in your garage

    2018 Audi S6

    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