Garage
Shop

Shop all 2008 Audi S8 Car Audio, Speakers, & Electronics

Loading...
Filters
filter-icon Filters & Sort

NVX FRING65

Universal 6.5" or 6.75" Self-Adhesive Foam Speaker Baffle Ring Kit (Pack of 2)

FRING65 big
Go to item page Right Arrow Icon of Right Arrow

Universal 6.5" or 6.75" Self-Adhesive Foam Speaker Baffle Ring Kit (Pack of 2)

• 6.5" or 6.75" Self-Adhesive Foam Speaker Baffle Ring Kit
• Waterproof automotive-grade high-density foam strips
• Prevents front and rear wave cancellation and panel vibrations
• Designed for use with 6.5" or 6.75" speakers
• Pack of 2

2+ offers available
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your S8
44
List price $19.99
-10% $17.99

In stock

Continue to cart

Available Offers (2) for NVX FRING65
Free Speaker Accessory at Checkout!
Purchase $400 or More of NVX and Save 15%!
2026-07-27 11:08:20
Used from: $10.49 Like New from: $15.29

AudioControl PNW1

125W RMS 1" PNW Series Component Car Tweeters

PNW1 big
Go to item page Right Arrow Icon of Right Arrow

125W RMS 1" PNW Series Component Car Tweeters

• 1" PNW Series Dome Tweeters
• 125 watts RMS Each
• 3 ohm Impedance

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

VIP Product Get $12.90 in rewards to spend later

install icon

Install kits available for most vehicles

found car based on your search
Fits the following location in your S8
  • Rear Door
3
List price $149.00
-13% $129.00 /pair

In stock

Only 3 Left!

• 1" PNW Series Dome Tweeters
• 125 watts RMS Each
• 3 ohm Impedance

Limited time!

Rockford Fosgate Prime R165X3

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

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

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

Free Speaker Accessory at Checkout!
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 S8
  • Rear Door
206
$79.99 /pair

In stock

Used from: $48.99
Limited time!

Rockford Fosgate Power T2 T2652-S

400W Peak (200W RMS) 6.5" Power Series 2 Way Component 4-ohm Speaker System

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

400W Peak (200W RMS) 6.5" Power Series 2 Way Component 4-ohm Speaker System

• 200 watts Peak Each, 100 watts RMS Each
• 1" Aluminum Dome tweeters with integral suspension
• Carbon Fiber Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89 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 $8 on install kits for this speaker

found car based on your search
Fits the following location in your S8
  • Rear Door
42
$449.99 /set

In stock

Used from: $382.49
Limited time!

Rockford Fosgate Punch P1 P1650

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

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

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

• 110 watts Peak Each, 55 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome tweeters
• Mineral-Filled 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.
VIP Star Icon

VIP Product Get $11.00 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 S8
  • Rear Door
84
$109.99 /pair

In stock

Used from: $93.49

Metra 40-EU55

Antenna Adapter for select 2000-2026 vehicles from Audi, Chevrolet, Ram

40-EU55 big
Go to item page Right Arrow Icon of Right Arrow

Antenna Adapter for select 2000-2026 vehicles from Audi, Chevrolet, Ram

• Antenna adapter
• For select 2000-2026 vehicles from Audi, Chevrolet, Ram
• Use for replacing vehicle radio
• Male Motorola connector and power wire on one end
• Male European-style FAKRA on the other end

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your S8
49
List price $22.99
-13% $19.99

In stock

• Antenna adapter
• For select 2000-2026 vehicles from Audi, Chevrolet, Ram
• Use for replacing vehicle radio
• Male Motorola connector and power wire on one end
• Male European-style FAKRA on the other end

Limited time!

Kenwood eXcelon KFC-X175

480W Peak (160W RMS) 6.5" eXcelon Series 2 Way Coaxial 4-ohm Car Speakers

KFC-X175 big
Go to item page Right Arrow Icon of Right Arrow

480W Peak (160W RMS) 6.5" eXcelon Series 2 Way Coaxial 4-ohm Car Speakers

• 240 watts Peak Each, 80 watts RMS Each
• 1" Soft Dome Tweeters
• Injection Molded Polypropylene 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 $11.15 in rewards to spend later

install icon

Save $1 on install kits for this speaker

found car based on your search
Fits the following location in your S8
  • Rear Door
List price $180.00
Save $68.50
-38% $111.50 /pair

In stock

Limited time!

JBL Stadium 62CF (JBLSPKSD62CFAM)

660W Peak (220W RMS) 6.5" Stadium Series 2-Way Component 3-ohm Speaker System

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 Speaker System

• 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 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

Install kits available for this speaker

found car based on your search
Fits the following location in your S8
  • Rear Door
2
List price $479.95
-6% $449.95 /set

In stock

Only 3 Left!

Orion HCCA62N

2800W Peak (700W RMS) 6.5" HCCA Series Pro Audio Midrange 2-ohm Speaker

HCCA62N big
Go to item page Right Arrow Icon of Right Arrow

2800W Peak (700W RMS) 6.5" HCCA Series Pro Audio Midrange 2-ohm Speaker

• 1400 watts Peak Each, 350 watts RMS Each
• Non-Pressed Paper cone material
• Integrated Aluminum phase plug
• Impedance: 2 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 $8 on install kits for this speaker

found car based on your search
Fits the following location in your S8
  • Rear Door
List price $263.99
-17% $219.95 /pair

In stock

Install Bay 8" Round Foam Acoustic Speaker Baffles (VXT80)

XTC 8" Round Foam Acoustic Speaker Baffles create a tight, acoustic seal behind the speaker to enhance the sound quality

VXT80 big
Go to item page Right Arrow Icon of Right Arrow

XTC 8" Round Foam Acoustic Speaker Baffles create a tight, acoustic seal behind the speaker to enhance the sound quality

• Shallow Foam Acoustic Speaker Baffles
• Includes a pair of 8" round baffles
• Made from a waterproof foam
• Creates a tight, acoustic seal behind the speaker to enhance the sound quality
• Compresses and forms to the shape of most installations
• Reduces panel vibration
• Greatly enhances the sound and performance of the speakers

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your S8
2
List price $37.99
-11% $33.99

In stock

Only 2 Left!

• Shallow Foam Acoustic Speaker Baffles
• Includes a pair of 8" round baffles
• Made from a waterproof foam
• Creates a tight, acoustic seal behind the speaker to enhance the sound quality
• Compresses and forms to the shape of most installations
• Reduces panel vibration
• Greatly enhances the sound and performance of the speakers

Hertz C165

420W Peak (140W RMS) 6.5" Cento Series Midrange 4-ohm Speakers

C165 big
Go to item page Right Arrow Icon of Right Arrow

420W Peak (140W RMS) 6.5" Cento Series Midrange 4-ohm Speakers

• 210 watts Peak Each, 70 watts RMS Each
• Semi-Pressed paper with Mica cone material
• Impedance: 4 ohm
• Sensitivity: 93 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

install icon

Save $8 on install kits for this speaker

found car based on your search
Fits the following location in your S8
  • Rear Door
4
List price $230.00
-13% $199.99 /pair

In stock

NVX XSP652

600W Peak (200W RMS) 6.5" X-Series 2 Way Coaxial Car Speakers

XSP652 big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (200W RMS) 6.5" X-Series 2 Way Coaxial Car Speakers

• 300 watts Peak Each, 100 watts RMS Each
• 1" Silk Dome tweeters
• Lightweight Real Carbon Fiber cone
• Impedance: 4 ohm
• Sensitivity: 92 dB
• Mounting Depth: 2.52"

2+ offers available
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

install icon

Save $4 on install kits for this speaker

found car based on your search
Fits the following location in your S8
  • Rear Door
19
List price $179.99
-33% $119.99 /pair

In stock

Continue to cart

Available Offers (2) for NVX XSP652
Free Speaker Accessory at Checkout!
Purchase $400 or More of NVX and Save 15%!
2026-07-27 11:08:20
Used from: $93.73 Like New from: $101.99
Limited time!

NVX XBAF65 6.5" Premium Speaker Installation 2-Pair Kit

2 Piece 6.5" or 6.75" Weatherproof Silicone Rubber Speaker Baffle Kit + Premium Sound Damping + Five Piece Installer's Panel Removal Installation Tool Kit w/ Sound Deadening

XBAF65X2_SDBSK2X2_BTK_SDRLR big
Go to item page Right Arrow Icon of Right Arrow

2 Piece 6.5" or 6.75" Weatherproof Silicone Rubber Speaker Baffle Kit + Premium Sound Damping + Five Piece Installer's Panel Removal Installation Tool Kit w/ Sound Deadening

• Acoustically seals speakers for better sound performance
• Prevents front and rear wave cancellation
• Reduces panels vibrations
• Foldable design allows for varying depths

Purchase $400 or More of NVX and Save 15%!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your S8
257
List price $141.44
-38% $88.14

In stock

Hertz C165F

360W Peak (140W RMS) 6.5" Cento Series 4-ohm Midbass Car Speakers

C165F big
Go to item page Right Arrow Icon of Right Arrow

360W Peak (140W RMS) 6.5" Cento Series 4-ohm Midbass Car Speakers

• 180 watts Peak Each, 70 watts RMS Each
• Semi-Pressed paper with Mica cone material
• Impedance: 4 ohm
• Sensitivity: 93 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

install icon

Save $8 on install kits for this speaker

found car based on your search
Fits the following location in your S8
  • Rear Door
List price $230.00
-13% $199.99 /pair

In stock

DS18 OEMADAPT6.5

Universal 6.5" Speaker Mounting Adapters

OEMADAPT6.5 big
Go to item page Right Arrow Icon of Right Arrow

Universal 6.5" Speaker Mounting Adapters

• Universal speaker mounting adapters
• Designed to install 6.5" aftermarket speakers
• OEM-grade fitment with pre-drilled mounting points
• Includes (2) speaker adapter plates

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
This speaker adapter fits your S8
  • Rear Door 6.5" Full-Range
$12.95

In stock

• Universal speaker mounting adapters
• Designed to install 6.5" aftermarket speakers
• OEM-grade fitment with pre-drilled mounting points
• Includes (2) speaker adapter plates

DS18 TWPZ

80W Peak (40W RMS) 1" Slim Dome Super Tweeters

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

80W Peak (40W RMS) 1" Slim Dome Super Tweeters

• 1" Dome Tweeters
• 80 watts Peak Each
• 40 watts RMS Each
• Impedance

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 the following location in your S8
  • Rear Door
6
$5.95 /pair

In stock

• 1" Dome Tweeters
• 80 watts Peak Each
• 40 watts RMS Each
• Impedance

NVX VSP65KIT

750W Peak (250W RMS) 6.5" V-Series 2 Way Component Car Speakers

VSP65KIT big
Go to item page Right Arrow Icon of Right Arrow

750W Peak (250W RMS) 6.5" V-Series 2 Way Component Car Speakers

• 375 watts Peak Each, 125 watts RMS Each
• 1" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB
• Mounting Depth: 2.51"

2+ offers available
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

install icon

Save $8 on install kits for this speaker

found car based on your search
Fits the following location in your S8
  • Rear Door
84
List price $143.99
-17% $119.99 /set

In stock

Continue to cart

Available Offers (2) for NVX VSP65KIT
Free Speaker Accessory at Checkout!
Purchase $400 or More of NVX and Save 15%!
2026-07-27 11:08:20
Like New from: $94.99

Race Sport Accessories H7TLED

H7 Terminator Series Fan-less Shallow-mount LED Conversion Headlight Kit with Pinpoint Projection Optical Aims

H7TLED big
Go to item page Right Arrow Icon of Right Arrow

H7 Terminator Series Fan-less Shallow-mount LED Conversion Headlight Kit with Pinpoint Projection Optical Aims

• H7 Fan-less LED Conversion Headlight Kit
• IP67 waterproof rating
• 2000 lux / 2250 lumens per bulb
• See 2-3 times further than stock lighting systems
• Low-mounting depth base design

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

VIP Product Get $8.90 in rewards to spend later

found car based on your search
Fits your S8
List price $109.00
-18% $89.00

Available

Ships in 10-14 days

• H7 Fan-less LED Conversion Headlight Kit
• IP67 waterproof rating
• 2000 lux / 2250 lumens per bulb
• See 2-3 times further than stock lighting systems
• Low-mounting depth base design

Alpine S2-S10TW

480W Peak (160W RMS) 1" S-Series 4-ohm Dome Tweeters

S2S10TW big
Go to item page Right Arrow Icon of Right Arrow

480W Peak (160W RMS) 1" S-Series 4-ohm Dome Tweeters

• 1" S Series Tweeters
• 240 watts Peak Each
• 80 watts RMS Each
• 4 ohm Impedance

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

Install kits available for most vehicles

found car based on your search
Fits the following location in your S8
  • Rear Door
List price $130.00
-15% $109.95 /pair

In stock

• 1" S Series Tweeters
• 240 watts Peak Each
• 80 watts RMS Each
• 4 ohm Impedance

Cerwin Vega CVMPCL8.0 (Sold Individually)

400W Peak (200W RMS) 8" Stroker Pro Series Full Range 4-ohm Speakers

CVMPCL8.0 big
Go to item page Right Arrow Icon of Right Arrow

400W Peak (200W RMS) 8" Stroker Pro Series Full Range 4-ohm Speakers

• 400 watts Peak Each, 200 watts RMS Each
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 95 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 $8 on install kits for this speaker

found car based on your search
Fits the following location in your S8
  • Front Door
List price $167.99
-17% $139.99

In stock

Only 1 Left!

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?

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

    1977 Ford Bronco

    2008 Audi S8

    1993 Subaru Justy

    2007 BMW 550i

    2011 Jeep Compass

    2006 Cadillac STS

    1990 Peugeot 405

    1991 Toyota Celica

    1987 Dodge Grand Caravan

    1994 GMC K2500

    Vehicle
    Store
    Delete

    2004 Harley Davidson FLHTCI Electra Glide Classic

    2000 Harley Davidson FLTRSEI Screamin Eagle Road Glide

    2003 Harley Davidson FLHRSEI2 Screamin Eagle Road King 2

    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.