Garage
Shop

1998 Audi A6 Quattro

The best Lower Front Door Speakers for 1998 A6 Quattro

Lower Front Door for 1998 Audi A6 Quattro

Shop and compare by low prices and top features on Lower Front Door Speakers that fit your Audi A6 Quattro. After you add to cart, we'll also make sure you get an affordable car speakers install easily with speaker adapters, speaker harnesses and other accessories like sound damping and panel tools to make installation a breeze.

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

Cerwin-Vega V525

600W Peak (200W RMS) 5.25" Vega Series 2025 Edition 2-Way Coaxial 4-ohm Speakers

V525 big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (200W RMS) 5.25" Vega Series 2025 Edition 2-Way Coaxial 4-ohm Speakers

• 300 watts Peak Each, 100 watts RMS Each
• 3/4" Silk Balanced Dome Tweeters
• Carbon Fiber Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
1
$149.99 /pair

In stock

Limited time!

Hertz X 170

400W Peak (100W RMS) 6.75” Uno Series 2-way 4-ohm Coaxial Car Speakers

X 170 big
Go to item page Right Arrow Icon of Right Arrow

400W Peak (100W RMS) 6.75” Uno Series 2-way 4-ohm Coaxial Car Speakers

• 200 watts Peak Each, 50 watts RMS Each
• 1" PEI (Polyetherimide) Dome tweeters
• Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 93.5 dB

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
List price $95.00
-16% $79.99 /pair

In stock

Only 3 Left!

Limited time!

JL Audio C2-525

120W RMS 5.25" C2 Series 2-Way 4-ohm Component Speaker System

C2-525 big
Go to item page Right Arrow Icon of Right Arrow

120W RMS 5.25" C2 Series 2-Way 4-ohm Component Speaker System

• 60 watts RMS Each
• 3/4" Silk Dome tweeters
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

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

VIP Product Get $33.00 in rewards to spend later

install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
9
$329.99 /set

In stock

Used from: $280.49
Limited time!

Hertz DSK 130.3

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

DSK 130.3 big
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 Speaker Accessory at Checkout!
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

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
List price $230.00
-13% $199.99 /set

In stock

Only 2 Left!

Limited time!

Infinity Kappa 503CF (INFSPKKA503CFAM)

480W Peak (160W RMS) 5.25" Kappa Series 2-Way Component 3-ohm Speaker System

Kappa 503CF big
Go to item page Right Arrow Icon of Right Arrow

480W Peak (160W RMS) 5.25" Kappa Series 2-Way Component 3-ohm Speaker System

• 240 watts Peak Each, 80 watts RMS Each
• 3/4" Silk Edge Driven Dome uni-pivot and angled tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

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

VIP Product Get $28.00 in rewards to spend later

install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
1
List price $449.95
Save $169.96
-38% $279.99 /set

In stock

Used from: $279.30
Limited time!

Precision Power (PPI) MAS.522

150W RMS 5.25" MAS Series 2 Way Coaxial 2-ohm Motorcycle Speakers

MAS.522 big
Go to item page Right Arrow Icon of Right Arrow

150W RMS 5.25" MAS Series 2 Way Coaxial 2-ohm Motorcycle Speakers

• 75 watts RMS Each
• 1" Titanium Dome tweeters
• Polypropylene cone material
• Impedance: 2 ohm
• Sensitivity: 92 dB

Flash Sale! Save at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $27.00 in rewards to spend later

install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
1
List price $349.99
-23% $269.99 /pair

In stock

Only 3 Left!

• 75 watts RMS Each
• 1" Titanium Dome tweeters
• Polypropylene cone material
• Impedance: 2 ohm
• Sensitivity: 92 dB

Hertz SV 165 NEO (SV165 NEO)

800W Peak (300W RMS) 6.5" SPL Show Series 4-ohm Midrange Car and Motorcycle Speakers

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

800W Peak (300W RMS) 6.5" SPL Show Series 4-ohm Midrange Car and Motorcycle Speakers

• 400 watts Peak Each, 150 watts RMS Each
• Terminals and mounting holes compatible for Harley-Davidson motorbikes
• Water-repellent pressed paper cone material
• Impedance: 4 ohm
• Sensitivity: 97 dB

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

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
1
List price $530.00
-15% $449.99 /pair

In stock

Limited time!

Rockford Fosgate Punch P1V2-5

300W Peak (150W RMS) 5.25" Punch P1 Series 3 Way Coaxial 4-ohm Speakers

P1V2-5 big
Go to item page Right Arrow Icon of Right Arrow

300W Peak (150W RMS) 5.25" 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: 86 dB

Free Speaker Accessory at Checkout!
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

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
List price $239.99
Save $60.00
-25% $179.99 /pair

In stock

Limited time!

Polk Audio DB5252 (DB 5252)

600W Peak (200W RMS) 5.25” DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

DB5252 big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (200W RMS) 5.25” DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

• 300 watts Peak Each, 100 watts RMS Each
• 3/4" dual Silk Dome tweeters
• UV-Resistant 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 $20.00 in rewards to spend later

install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
4
List price $209.99
-5% $200.00 /set

In stock

Only 2 Left!

Cerwin Vega H752

550W Peak (80W RMS) 5.25” HED Series 2-Way Coaxial 4-ohm Speakers

H752 big
Go to item page Right Arrow Icon of Right Arrow

550W Peak (80W RMS) 5.25” HED Series 2-Way Coaxial 4-ohm Speakers

• 275 watts Peak Each, 40 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 82.5 dB

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

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
5
List price $83.99
-17% $69.99 /pair

In stock

Continue to cart

Available Offers (2) for Cerwin Vega H752
Offer image
Flash Sale! Save at Checkout!
List price $83.99
-17% $69.99
$59.49 with coupon | Price details
Free Speaker Accessory at Checkout!

DS18 PRO-X5.4BM (Sold Individually)

300W Peak (150W RMS) 5.25” PRO-X Series 4-ohm Mid-Range Loudspeaker

PRO-X5.4BM big
Go to item page Right Arrow Icon of Right Arrow

300W Peak (150W RMS) 5.25” PRO-X Series 4-ohm Mid-Range Loudspeaker

• 300 watts Peak Each, 150 watts RMS Each
• Red Aluminum Bullet tweeters
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

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

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
$49.95

In stock

Limited time!

Kicker KSS5 (51KSS504)

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

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

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

• 200 watts Peak Each, 100 watts RMS Each
• 1" Silk Dome tweeters
• 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 $25.00 in rewards to spend later

install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
2
List price $279.99
-11% $249.99 /set

In stock

Only 2 Left!

Cerwin-Vega XED52

550W Peak (60W RMS) 5.25" XED Series 2-Way Coaxial 4-ohm Speakers

XED52 big
Go to item page Right Arrow Icon of Right Arrow

550W Peak (60W RMS) 5.25" XED Series 2-Way Coaxial 4-ohm Speakers

• 275 watts Peak Each, 30 watts RMS Each
• 1" Piezo Metal Balanced Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

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

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
7
List price $53.99
-17% $44.99 /pair

In stock

Limited time!

Hertz CPX 165

570W Peak (190W RMS) 6.5" Cento Series 2-Way Coaxial 4-ohm Car Speakers

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

570W Peak (190W RMS) 6.5" Cento Series 2-Way Coaxial 4-ohm Car Speakers

• 285 watts Peak Each, 95 watts RMS Each
• 0.9 Soft Tetolon Dome tweeters
• Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 92 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 $35.00 in rewards to spend later

install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
3
List price $405.00
-14% $349.99 /pair

In stock

Limited time!

Sundown Audio E-5.25CX

200W RMS 5.25" E Series 2 Way Coaxial 4-ohm Speakers (S-E5.25CX)

S-E5.25CX big
Go to item page Right Arrow Icon of Right Arrow

200W RMS 5.25" E Series 2 Way Coaxial 4-ohm Speakers (S-E5.25CX)

• 50 watts RMS Each
• Titanium Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm

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

VIP Product Get $10.00 in rewards to spend later

install icon

Install kits available for most vehicles

Fits select models only.
Add details to confirm fitment.
List price $119.99
-17% $99.99 /pair

In stock

Only 1 Left!

Limited time!

JL Audio C3-525

300W Peak (150W RMS) 5.25" C3 Series 2-Way 4-ohm Component Speaker System

C3-525 big
Go to item page Right Arrow Icon of Right Arrow

300W Peak (150W RMS) 5.25" C3 Series 2-Way 4-ohm Component Speaker System

• 150 watts Peak Each, 75 watts RMS Each
• 2-way convertible speakers from component to coaxial
• 1" Silk Soft Dome tweeters with ferrofluid cooling and damping
• Mineral-Filled 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.
VIP Star Icon

VIP Product Get $53.00 in rewards to spend later

install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
2
$529.99 /set

In stock

Used from: $450.49

MB Quart FKB113

180W Peak (90W RMS) 5.25" Formula Series 2-Way 4-ohm Coaxial Car Speakers

FKB113 big
Go to item page Right Arrow Icon of Right Arrow

180W Peak (90W RMS) 5.25" Formula Series 2-Way 4-ohm Coaxial Car Speakers

• 90 watts Peak Each, 45 watts RMS Each
• 1" Aluminum Dome tweeters
• Lightweight Thermoformed Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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

Install kits available for most vehicles

Fits select models only.
Add details to confirm fitment.
4
List price $69.99
-57% $29.99 /pair

In stock

Limited time!

Kicker KSC5 (51KSC504)

300W Peak (150W RMS) 5.25" KS Series 2 Way Coaxial 4-ohm Speakers

51KSC504 big
Go to item page Right Arrow Icon of Right Arrow

300W Peak (150W RMS) 5.25" KS Series 2 Way Coaxial 4-ohm Speakers

• 150 watts Peak Each, 75 watts RMS Each
• 1/2" Silk 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.
VIP Star Icon

VIP Product Get $13.00 in rewards to spend later

install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
List price $149.99
-13% $129.99 /pair

In stock

Limited time!

Infinity 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 Edge Driven Dome tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 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

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
1
List price $139.95
-21% $109.95 /pair

In stock

Limited time!

Cerwin-Vega H675

540W Peak (180W RMS) 6.75" HED Series 2 Way Coaxial Speakers

H675 big
Go to item page Right Arrow Icon of Right Arrow

540W Peak (180W RMS) 6.75" HED Series 2 Way Coaxial Speakers

• 270 watts Peak Each, 90 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Dome tweeters
• UV-Treated Polypropylene cone material

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
$137.99 /pair

Available

Ships in 10-14 days

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 Lower Front Door Speakers in 1998 A6 Quattro

    Q: Can I upgrade or change the Lower Front Door Speakers in 1998 Audi A6 Quattro?

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

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

    2002 Audi A6

    1998 Audi A6 Quattro

    1975 Dodge Ramcharger

    2014 Volvo S60

    2004 GMC Canyon

    2003 Land Rover Range Rover

    1982 Toyota Starlet

    1981 Chevrolet Monte Carlo

    2022 Kia Niro

    1993 Eagle Summit

    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.