Garage
Shop
Loading...
Filters
filter-icon Filters & Sort

Hertz K 170 + FREE $25 Gift Card

560W Peak (140W RMS) 6.75” Uno Series Component Speaker

K 170, 25EGIFT big
Go to item page Right Arrow Icon of Right Arrow

560W Peak (140W RMS) 6.75” Uno Series Component Speaker

• 140 Watts Max Each, 35 Watts RMS Each
• Water-repellent pressed paper cone material
• PEI Tweeter Dome
• 4 Ohm Impedance
• Sensitivity: 93.5 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 your A6
8
List price $175.00
-31% $119.99 /set

In stock

• 140 Watts Max Each, 35 Watts RMS Each
• Water-repellent pressed paper cone material
• PEI Tweeter Dome
• 4 Ohm Impedance
• Sensitivity: 93.5 dB

Hertz DCX170.3 + FREE $50 Gift Card

6.75" Dieci Series 2-Way Coaxial Car Speakers

DCX 170.3, 50EGIFT big
Go to item page Right Arrow Icon of Right Arrow

6.75" Dieci Series 2-Way Coaxial Car Speakers

• 50 Watts Max Each, 25 Watts RMS Each
• Water-repellent pressed paper Cone
• Dome tweeter
• 4 Ohm Impedance
• Sensitivity: 93 dB
• Mounting Depth: 1-13/16

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 your A6
15
List price $200.00
-35% $129.99 /pair

In stock

Only 3 Left!

• 50 Watts Max Each, 25 Watts RMS Each
• Water-repellent pressed paper Cone
• Dome tweeter
• 4 Ohm Impedance
• Sensitivity: 93 dB
• Mounting Depth: 1-13/16

NVX - Worth the Envy - Direct to Consumer Car Audio

Cerwin Vega Stroker Pro CVMPCL6.5 (Pair)

200W Max (100W RMS) 6.5" Stroker Pro Series Coaxial Car Speakers

(2)CVMPCL6.5 big
Go to item page Right Arrow Icon of Right Arrow

200W Max (100W RMS) 6.5" Stroker Pro Series Coaxial Car Speakers

• 200 watts Peak Each, 100 watts RMS Each
• Impedance: 4 ohm
• Sensitivity: 93.2 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

found car based on your search
Fits your A6
9
List price $239.98
-17% $199.98

In stock

Only 2 Left!

• 200 watts Peak Each, 100 watts RMS Each
• Impedance: 4 ohm
• Sensitivity: 93.2 dB

(12) Crunch 300W Full Range 2 Way 4 Ohm Component Car Audio 6.5" Speaker

Crunch 300W Full Range 2 Way 4 Ohm Component Car Audio 6.5" Speaker

CS65C 6 Pack big
Go to item page Right Arrow Icon of Right Arrow

Crunch 300W Full Range 2 Way 4 Ohm Component Car Audio 6.5" Speaker

• Peak Power: 300W
• RMS Power: 150W
• Mylar Soft Dome Tweeter
• Silver Alpha Cellulose Cone and Rubber Surround

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A6
28
List price $299.94
-30% $209.94

In stock

• Peak Power: 300W
• RMS Power: 150W
• Mylar Soft Dome Tweeter
• Silver Alpha Cellulose Cone and Rubber Surround

Hertz K 165 + $50 GIft Card

6.5" Uno Series 2-Way 4 ohm Component Speaker System

K 165, 50EGIFT big
Go to item page Right Arrow Icon of Right Arrow

6.5" Uno Series 2-Way 4 ohm Component Speaker System

• 150 Watts Max Each, 35 Watts RMS Each
• Water-repellent pressed paper cone material
• PEI Tweeter Dome
• 4 Ohm Impedance
• Sensitivity: 93.5 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 your A6
18
List price $200.00
-40% $119.99 /set

In stock

Only 3 Left!

• 150 Watts Max Each, 35 Watts RMS Each
• Water-repellent pressed paper cone material
• PEI Tweeter Dome
• 4 Ohm Impedance
• Sensitivity: 93.5 dB

Pioneer TS-A1671F (2-Pairs, 4-Total)

1280W Peak (280W RMS) 6.5” A-Series 3-way Coaxial Car Speakers (2-Pairs)

TSA1671F_2 big
Go to item page Right Arrow Icon of Right Arrow

1280W Peak (280W RMS) 6.5” A-Series 3-way Coaxial Car Speakers (2-Pairs)

• 320 watts Peak Each, 70 watts RMS Each
• 3/8" PET Tweeters
• Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A6
3
List price $220.00
-43% $125.98

In stock

• 320 watts Peak Each, 70 watts RMS Each
• 3/8" PET Tweeters
• Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

Diamond Audio DMD52 (2-Pairs, 4-Total)

320W Peak (160W RMS) 5.25" DMD Series 2-way Coaxial Car Speakers (2-Pairs)

DMD52_2 big
Go to item page Right Arrow Icon of Right Arrow

320W Peak (160W RMS) 5.25" DMD Series 2-way Coaxial Car Speakers (2-Pairs)

• 80 watts Peak Each, 40 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 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 A6
List price $239.98
-8% $219.98

In stock

Only 1 Left!

• 80 watts Peak Each, 40 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB

Hertz CX 130 (2-Pairs, 4-Total)

600W Peak (200W RMS) 5.25" Cento Series 2-Way Coaxial Car Speakers (2-Pairs)

CX130_2 big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (200W RMS) 5.25" Cento Series 2-Way Coaxial Car Speakers (2-Pairs)

• 150 watts Peak Each, 50 watts RMS Each
• 15/16 Tetolon Dome Tweeters
• cone material
• Impedance: 4 ohm
• Sensitivity: 92.5 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 A6
List price $520.00
$499.98

In stock

Only 2 Left!

• 150 watts Peak Each, 50 watts RMS Each
• 15/16 Tetolon Dome Tweeters
• cone material
• Impedance: 4 ohm
• Sensitivity: 92.5 dB

Limited time!

NVX VSP65KIT (2-Pairs, 4-Total)

1500W Peak (500W RMS) 6.5" V-Series 2-Way Component Speaker System with 25mm Silk Dome Tweeters (2-Pairs)

VSP65KIT_2 big
Go to item page Right Arrow Icon of Right Arrow

1500W Peak (500W RMS) 6.5" V-Series 2-Way Component Speaker System with 25mm Silk Dome Tweeters (2-Pairs)

• 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"

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 A6
84
List price $287.98
-21% $227.98

In stock

• 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"

Cerwin Vega CVMPCL6.5 with Sound Damping

200W Max (100W RMS) 6.5" Stroker Pro Series Coaxial Car Speaker + NVX SDSK2 Sound Damping

CVMPCL65_SDSK2 big
Go to item page Right Arrow Icon of Right Arrow

200W Max (100W RMS) 6.5" Stroker Pro Series Coaxial Car Speaker + NVX SDSK2 Sound Damping

• 200 watts Peak , 100 watts RMS
• Impedance: 4 ohm
• Sensitivity: 93.2 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 A6
57
List price $138.73
-17% $114.98

In stock

• 200 watts Peak , 100 watts RMS
• Impedance: 4 ohm
• Sensitivity: 93.2 dB

Lowest price in 30 days

Infinity REF507F with Installation Accessories

270W Peak (90W RMS) 5.25" Reference Series 2-way 3-ohm Speakers + 5.25" Speaker Baffles + Sound Damping, Roller and Panel Removal Kit

REF507F_ACC_KIT big
Go to item page Right Arrow Icon of Right Arrow

270W Peak (90W RMS) 5.25" Reference Series 2-way 3-ohm Speakers + 5.25" Speaker Baffles + Sound Damping, Roller and Panel Removal Kit

• 135 watts Peak Each, 45 watts RMS Each
• 1/2" Textile Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 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 A6
231
List price $212.66
-40% $128.51

In stock

Only 3 Left!

• 135 watts Peak Each, 45 watts RMS Each
• 1/2" Textile Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 dB

6 Pack: Polk Audio DB522 5.25" Car/Marine/ATV Speakers (12 Speakers)

6 Pairs (12 total speakers) 5.25 Inch 300 Watt 2 Way Car/Marine ATV Stereo Speakers Pair (6 Pack)

DB522 6 Pack big
Go to item page Right Arrow Icon of Right Arrow

6 Pairs (12 total speakers) 5.25 Inch 300 Watt 2 Way Car/Marine ATV Stereo Speakers Pair (6 Pack)

• 300 Watts Max Each, 100 Watts RMS Each
• 0.75" shallow tweeter design
• Polypropylene UV tolerant cone
• 4 Ohm Impedance
• Sensitivity: 91dB
• Mounting Depth: 1.74"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A6
68
List price $659.94
-25% $498.00

In stock

Only 2 Left!

• 300 Watts Max Each, 100 Watts RMS Each
• 0.75" shallow tweeter design
• Polypropylene UV tolerant cone
• 4 Ohm Impedance
• Sensitivity: 91dB
• Mounting Depth: 1.74"

AudioControl PNW-65CS2 (2-Pairs, 4-Total)

500W Peak (300W RMS) 6.5″ PNW Series 2-way 3-ohm Component Speaker System (2-Pairs)

PNW65CS2_2 big
Go to item page Right Arrow Icon of Right Arrow

500W Peak (300W RMS) 6.5″ PNW Series 2-way 3-ohm Component Speaker System (2-Pairs)

• 125 watts Peak Each, 75 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene-Mica cone material
• Impedance: 3 ohm
• Sensitivity: 88.8 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 A6
4
List price $678.00
-6% $638.00

In stock

• 125 watts Peak Each, 75 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene-Mica cone material
• Impedance: 3 ohm
• Sensitivity: 88.8 dB

Cerwin Vega H752 with Sound Damping

500W Peak (80W RMS) 5.25” HED Series Coaxial Car Speakers + NVX SDSK2 Sound Damping

H752_SDSK2 big
Go to item page Right Arrow Icon of Right Arrow

500W Peak (80W RMS) 5.25” HED Series Coaxial Car Speakers + NVX SDSK2 Sound Damping

• 275 watts Peak Each, 40 watts RMS Each
• 1" Polypropylene Balanced Dome Tweeters
• Graphite Reinforced Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 93 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 A6
53
List price $102.73
-17% $84.98

In stock

• 275 watts Peak Each, 40 watts RMS Each
• 1" Polypropylene Balanced Dome Tweeters
• Graphite Reinforced Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

Hertz CK 165 with Sound Damping

285W Peak (95W RMS) 6.5" Cento Series 2-Way Component Speaker system + NVX SDSK2 Sound Damping

CK165_SDSK2 big
Go to item page Right Arrow Icon of Right Arrow

285W Peak (95W RMS) 6.5" Cento Series 2-Way Component Speaker system + NVX SDSK2 Sound Damping

• 142 Watts Max Each, 45 Watts RMS Each
•Semi Pressed Paper-Mica cone material
• Tetolon Tweeter dome
• 4 Ohm Impedance
• Sensitivity: 93 dB
• Mounting Depth: 2"

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 A6
49
List price $498.74
-17% $414.98

In stock

Only 1 Left!

• 142 Watts Max Each, 45 Watts RMS Each
•Semi Pressed Paper-Mica cone material
• Tetolon Tweeter dome
• 4 Ohm Impedance
• Sensitivity: 93 dB
• Mounting Depth: 2"

Hertz CK 165L with Sound Damping

300W Peak (100W RMS) 6.5" Cento Series 2-Way Component Speaker system + NVX SDSK2 Sound Damping

CK165L_SDSK2 big
Go to item page Right Arrow Icon of Right Arrow

300W Peak (100W RMS) 6.5" Cento Series 2-Way Component Speaker system + NVX SDSK2 Sound Damping

• 150 Watts Max Each, 50 Watts RMS Each
•Non Pressed Paper cone material
• Tetolon Tweeter dome
• 4 Ohm Impedance
• Sensitivity: 92 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 A6
50
List price $478.74
-13% $414.98

In stock

Only 3 Left!

• 150 Watts Max Each, 50 Watts RMS Each
•Non Pressed Paper cone material
• Tetolon Tweeter dome
• 4 Ohm Impedance
• Sensitivity: 92 dB

Hifonics ZS525CX with Installation Accessories

400W Peak (60W RMS) 5.25” Zeus Series Coaxial 2-way Car Speakers + 5.25" Speaker Baffles + Sound Damping, Roller and Panel Removal Kit

ZS525CX_ACC_KIT big
Go to item page Right Arrow Icon of Right Arrow

400W Peak (60W RMS) 5.25” Zeus Series Coaxial 2-way Car Speakers + 5.25" Speaker Baffles + Sound Damping, Roller and Panel Removal Kit

• 200 Watts Max Each, 30 Watts RMS Each
• 1" Mylar Balanced Dome Tweeter
• Alpha-Cellulose Cones
• 4 Ohm Impedance
• Sensitivity: 88dB
• Mounting Depth: 2"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A6
230
List price $101.70
-45% $56.35

In stock

• 200 Watts Max Each, 30 Watts RMS Each
• 1" Mylar Balanced Dome Tweeter
• Alpha-Cellulose Cones
• 4 Ohm Impedance
• Sensitivity: 88dB
• Mounting Depth: 2"

Infinity Kappa 603CF (2-Pairs, 4-Total)

1320W Peak (440W EMS) 6.5" Kappa Series 2-way Component Speaker System (2-Pairs)

KAPPA603CF_2 big
Go to item page Right Arrow Icon of Right Arrow

1320W Peak (440W EMS) 6.5" Kappa Series 2-way Component Speaker System (2-Pairs)

• 330 watts Peak Each, 110 watts RMS Each
• 3/4" Silk Edge-driven Dom Tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 93 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 A6
6
List price $999.90
-10% $899.90

In stock

Only 1 Left!

• 330 watts Peak Each, 110 watts RMS Each
• 3/4" Silk Edge-driven Dom Tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

DS18 PRO-X6.4BM (Sold Individually) with Sound Damping

500W Peak (250W RMS) 6.5” PRO-X Series 4-ohm Mid-Range Loudspeaker + NVX SDBSK2 Premium Sound Damping

PROX64BM_SDBSK2 big
Go to item page Right Arrow Icon of Right Arrow

500W Peak (250W RMS) 6.5” PRO-X Series 4-ohm Mid-Range Loudspeaker + NVX SDBSK2 Premium Sound Damping

• 500 watts Peak Each, 250 watts RMS Each
• Red Aluminum Bullet tweeters
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A6
49
List price $71.69
-12% $63.44

In stock

• 500 watts Peak Each, 250 watts RMS Each
• Red Aluminum Bullet tweeters
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

DS18 PRO-ZXI6.4BM (Sold Individually) with Sound Damping

600W Peak (300W RMS) 6.5" ZXi Series 4-Ohm Midrange Bullet Loudspeaker + NVX SDBSK2 Premium Sound Damping

PROZXI64BM_SDBSK2 big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (300W RMS) 6.5" ZXi Series 4-Ohm Midrange Bullet Loudspeaker + NVX SDBSK2 Premium Sound Damping

• 600 watts Peak, 300 watts RMS
• 1" Aluminum Bullet Tweeter
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 97 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A6
48
List price $99.69
-8% $91.44

In stock

• 600 watts Peak, 300 watts RMS
• 1" Aluminum Bullet Tweeter
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 97 dB

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 2003 A6

    Q: Can I upgrade or change the Speakers in 2003 Audi A6?

    A: Yes this page includes all the best Speakers that work in your A6.

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

    2013 Land Rover LR4

    1998 Audi A8

    2003 Audi A6

    2001 Dodge Caravan

    2009 Lotus Elise

    2005 Scion xA

    2016 Mercedes-Benz GLC-Class

    1961 Chevrolet Nomad

    2000 Mercedes-Benz S-Class

    1994 Mazda MPV

    Vehicle
    Store
    Delete

    2010 Harley Davidson FLSTF/I Fat Boy

    2005 Harley Davidson FLSTSC Softail Springer Classic

    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.