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2001 Audi A4 Quattro

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Overview Upgrade your Speakers Add a Subwoofer Add an Amplifier Digital Sound Processors Audio Installation & Accessories Add a Backup Camera Dads & Grads Sale

Speakers & Speaker Installation for 2001 Audi A4 Quattro

Find speakers to upgrade your sound and fit in the factory speaker location for your A4 Quattro.  After you choose your speakers, we'll help you find speaker adapters, speaker harnesses and other accessories for installation.

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See all speakers that fit, regardless of location.

Lower Front Door

Lower Front Door Speakers

Speakers for your lower front door.

Rear Door Panel Speakers

Rear Door Panel Speakers

Speakers for your rear door panels

Upper Front Door Speakers

Upper Front Door Speakers

Speakers for your upper front door.

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Speaker Size
Refers to the size of the speaker measured in inches. Every vehicle has standard application sizes. Please use our vehicle fitment guide for your vehicle's specific speaker sizes if you do not know them.
Design
The number of individual drivers in a car speaker. Speakers with 2 drivers are known as a 2-way, and 3 drivers are known as a 3-way. Component systems are often referred to as "separates" because the tweeter is not attached to the midwoofer (main speaker driver) and mounts separately in a location such as a door post. Component systems typically come with an external crossover so you can easily adjust the high and low frequencies sent to both the midwoofer and the tweeter. Center channel speakers are great for those looking to have surround sound in their vehicle.
RMS Power Handling
The RMS power is the amount of power the speaker requires to operate safely and properly. RMS Power Handling refers to the amount of power a speaker can handle on a continuous basis. We recommend powering your speakers or subwoofer with 80%-120% of its recommended RMS rating. The RMS power handling specification is typically rated per speaker unless otherwise noted.
Peak Power Handling
Peak power handling refers to the amount of power a speaker can handle during a brief musical burst. The RMS power range figure is a much more reliable rating for determining the speaker's power requirements. The Peak power handling specification is typically rated per speaker unless otherwise noted.
Sensitivity
An efficiency or sensitivity rating tells you how effectively a speaker converts power into sound. The higher the number, the more efficient the speaker and the louder it will play with the same input power. An efficient speaker helps you maximize your available power. Most sensitivity ratings measure the speaker's output with 1 watt of input, 1 meter from the speaker. Some speakers' sensitivity is measured with 2.83 volts of input, instead of 1 watt.
  Efficiency (1w/1m) is not an accurate indicator of a subwoofer's output capability and should not be used as a comparison to other speakers or subwoofers to determine which one is "louder".
Impedance (Per Voice Coil)
The load value (in ohms) that the speakers present to the amplifier per voice coil - the amount of resistance to the current flow. This is a key specification as subs wired in parallel or low impedances can create problems with your amplifier and potentially void all warranties. We encourage you to ask our support department prior to purchase if you do not understand which impedance level will suit your application best.
Shallow Mount Installation
This means that the subwoofer/speaker is designed to be installed in areas that do not have a lot of space. Shallow mount subwoofers are typically found under a seat or behind the seat in some trucks.

Shallow mount speakers will typically have a mounting depth of 2" or less, while shallow mount subwoofers will typically have a mounting depth of 3" or less.
Tweeter Design
Designs such as cone, dome, semi-dome, balanced dome, and whizzer are most popular. Cone tweeters are simple, efficient and typically are the most reasonably priced. Dome tweeters are used in most home speakers, and provide a smoother and more accurate sound. Semi-dome design is one with a dome placed inside a cone. A Balanced dome driver is a semi-dome with equal reproduction area given the cone and dome portions of the driver. A whizzer tweeter is a separate tweeter cone driven by the voice coil of the woofer.
Series
Many brands group their products into series or lines of products to help customers know the level of quality (good, better, best for example). You can filter by series and the brand using our guided browsing.
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Diamond Audio H65SH with Installation Accessories

150W RMS 6.5" HEX 2-Way Shallow Component Speakers with Speake Baffles, Sound Damping, Roller, and Panel Removal Kit

H65SH, XBAF65, SDSK2, SDRLR1, BTK106 big
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Diamond Audio H65SH with Installation Accessories

150W RMS 6.5" HEX 2-Way Shallow Component Speakers with Speake Baffles, Sound Damping, Roller, and Panel Removal Kit

• 150 watts Max Each, 75 watts RMS Each
• 2" Neodymium tweeters available in silk or aluminum
• Hard anodized black aluminum cone
• Impedance: 4 ohm
• Sensitivity: 89 dB
• Mounting Depth: 1.3"

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253
$793.52 /pair

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• 150 watts Max Each, 75 watts RMS Each
• 2" Neodymium tweeters available in silk or aluminum
• Hard anodized black aluminum cone
• Impedance: 4 ohm
• Sensitivity: 89 dB
• Mounting Depth: 1.3"

Diamond Audio H65SH (2-Pairs, 4-Total)

600W Peak (300W RMS) 6.5" HEX 2-Way Shallow Component Speakers (2-Pairs)

H65SH_2 big
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Diamond Audio H65SH (2-Pairs, 4-Total)

600W Peak (300W RMS) 6.5" HEX 2-Way Shallow Component Speakers (2-Pairs)

• 150 watts Max Each, 75 watts RMS Each
• 2" Neodymium tweeters available in silk or aluminum
• Hard anodized black aluminum cone
• Impedance: 4 ohm
• Sensitivity: 89 dB
• Mounting Depth: 1.3"

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$1,499.98

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• 150 watts Max Each, 75 watts RMS Each
• 2" Neodymium tweeters available in silk or aluminum
• Hard anodized black aluminum cone
• Impedance: 4 ohm
• Sensitivity: 89 dB
• Mounting Depth: 1.3"

Massive Audio M6XL (Pair, 2-Total)

800W Peak (400W RMS) 6.5" 8-Ohm Mid-range Speaker (Pair)

M6XL_2 big
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Massive Audio M6XL (Pair, 2-Total)

800W Peak (400W RMS) 6.5" 8-Ohm Mid-range Speaker (Pair)

• 6.5" M Series Mid-Range Driver
• 400W Max • 200W RMS
• 8 ohm Impedance
• Reinforced Paper Cone
• Foam Edge Surround
• 27oz. Ferrite Magnet

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List price $149.98
-33% $99.98

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Ships in 10-14 days

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• 6.5" M Series Mid-Range Driver
• 400W Max • 200W RMS
• 8 ohm Impedance
• Reinforced Paper Cone
• Foam Edge Surround
• 27oz. Ferrite Magnet

Rockford Fosgate T1650-S (Open Box, Great)

320W Peak (160W RMS) 6.5" Power Series 2-way 4-ohm Euro-Fit Component Speaker System

T1650-S big
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Rockford Fosgate T1650-S (Open Box, Great)

320W Peak (160W RMS) 6.5" Power Series 2-way 4-ohm Euro-Fit Component Speaker System

• 160 watts Peak Each, 80 watts RMS Each
• 1" Treated Fabric Dome Tweeters
• Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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Install kits available for most vehicles

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1
List price $379.99
-15% $322.99

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JL Audio C3-600 (Open Box, Great)

300W Peak (150W RMS) 6” Evolution C3 Series 2-way 4-ohm Convertible Component Speaker System

C3-600 big
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JL Audio C3-600 (Open Box, Great)

300W Peak (150W RMS) 6” Evolution C3 Series 2-way 4-ohm Convertible Component Speaker System

• 150 watts Peak Each, 75 watts RMS Each
• 1" Silk Soft Dome tweeters
• Mineral-Filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89.5 dB

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1
List price $529.99
-15% $450.49 /set

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Rockford Fosgate Power T1650 (Open Box, Great)

300W Peak (150W RMS) 6.5" Power Series 2-way 4-ohm Coaxial Car Speakers

T1650 big
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Rockford Fosgate Power T1650 (Open Box, Great)

300W Peak (150W RMS) 6.5" Power Series 2-way 4-ohm Coaxial Car Speakers

• 150 watts Peak Each, 75 watts RMS Each
• 1" Aluminum Dome tweeters
• Injection-molded Carbon Fiber-filled Polypropylene cone material with Vertical Attach Surround Technique (VAST)
• Impedance: 4 ohm
• Sensitivity: 88 dB

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10
List price $219.99
-15% $186.99 /pair

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JBL Club 620F (SPKCB620FAM)

330W Peak (110W RMS) 6.5" Club Series 2-way 3-ohm Shallow Mount Coaxial Car Speakers

Club 620F big Out of stock
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JBL Club 620F (SPKCB620FAM)

330W Peak (110W RMS) 6.5" Club Series 2-way 3-ohm Shallow Mount Coaxial Car Speakers

• 165 watts Peak Each, 55 watts RMS Each
• 3/4" PEI (Polyetherimide) Balanced Dome tweeters
• UV-resistant Polypropylene cone material with Plus One woofer cone architecture
• Impedance: 3 ohm
• Sensitivity: 92 dB

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Install kits available for most vehicles

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2
List price $129.95
-38% $79.95 /pair
Add to Cart
Used from: $55.97

• 165 watts Peak Each, 55 watts RMS Each
• 3/4" PEI (Polyetherimide) Balanced Dome tweeters
• UV-resistant Polypropylene cone material with Plus One woofer cone architecture
• Impedance: 3 ohm
• Sensitivity: 92 dB

JBL GX608C (GX608CAM)

420W Peak (140W RMS) 6.5” GX Series 2 Way 2.3-ohm Component Speaker System

GX608C big Out of stock
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JBL GX608C (GX608CAM)

420W Peak (140W RMS) 6.5” GX Series 2 Way 2.3-ohm Component Speaker System

• 210 watts Peak Each, 70 watts RMS Each
• 1-13/16" Edge Driven Dome tweeters
• Polypropylene cone material
• Impedance: 2.3 ohm
• Sensitivity: 92 dB

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$119.95 /set
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• 210 watts Peak Each, 70 watts RMS Each
• 1-13/16" Edge Driven Dome tweeters
• Polypropylene cone material
• Impedance: 2.3 ohm
• Sensitivity: 92 dB

Orion HCCA62N

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

HCCA62N big
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Orion HCCA62N

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

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List price $263.99
-17% $219.95 /pair

In stock

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Rockford Fosgate Prime R165X3

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

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Rockford Fosgate Prime R165X3

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

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154
$79.99 /pair
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Used from: $48.99

• 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

Limited time!

Rockford Fosgate Prime R165-S

160W Peak (80W RMS) 6.5" Prime Series 2 Way Component 4-ohm Speaker System

R165-S big Out of stock
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Rockford Fosgate Prime R165-S

160W Peak (80W RMS) 6.5" Prime Series 2 Way Component 4-ohm Speaker System

• 80 watts Peak Each, 40 watts RMS Each
• 1/2" Mylar Balanced Dome tweeters
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

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25
$79.99 /set
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Used from: $55.99

• 80 watts Peak Each, 40 watts RMS Each
• 1/2" Mylar Balanced Dome tweeters
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

Limited time!

Diamond Audio DMDX6525C

270W Peak (90W RMS) 6.5" DMD Series 3-Way Component 4-ohm Speakers

DMDX6525C big Out of stock
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Diamond Audio DMDX6525C

270W Peak (90W RMS) 6.5" DMD Series 3-Way Component 4-ohm Speakers

• 135 watts Peak Each, 45 watts RMS Each
• 3/4" Dome Tweeters
• 2.5" Speakers included
• Treated Paper cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

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$379.99 /set
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• 135 watts Peak Each, 45 watts RMS Each
• 3/4" Dome Tweeters
• 2.5" Speakers included
• Treated Paper cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

JBL SHOCK WAVE 150W65 (JBLSPKSW150W65)

600W Peak (300W RMS) 6.5" Shock Wave Series 4-ohm Midrange Speakers

SHOCK WAVE 150W65 big Out of stock
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JBL SHOCK WAVE 150W65 (JBLSPKSW150W65)

600W Peak (300W RMS) 6.5" Shock Wave Series 4-ohm Midrange Speakers

• 300 watts Peak Each, 150 watts RMS Each
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 96 dB

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List price $129.95
-8% $119.95 /pair
Add to Cart

• 300 watts Peak Each, 150 watts RMS Each
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 96 dB

Limited time!

Kenwood KFC-1698RS

700W Peak (200W RMS) 6.5" RS Series 2-Way Coaxial 4-ohm Car Speakers

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Kenwood KFC-1698RS

700W Peak (200W RMS) 6.5" RS Series 2-Way Coaxial 4-ohm Car Speakers

• 350 watts Peak Each, 100 watts RMS Each
• 1" Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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Install kits available for most vehicles

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1
List price $130.00
-16% $109.00 /pair
Add to Cart

• 350 watts Peak Each, 100 watts RMS Each
• 1" Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

NVX XSP65KIT

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

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NVX XSP65KIT

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

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

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List price $191.99
-11% $169.99 /set
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• 300 watts Peak Each, 100 watts RMS Each
• 1" Silk Dome tweeters
• Lightweight real Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

Limited time!

JBL Club 64FSL (JBLSPKCB64FSL)

330W Peak (110W RMS) 6.5" Club Series 2 Way Coaxial 3-ohm Speakers

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JBL Club 64FSL (JBLSPKCB64FSL)

330W Peak (110W RMS) 6.5" Club Series 2 Way Coaxial 3-ohm Speakers

• 165 watts Peak Each, 55 watts RMS Each
• 1" Silk Edge Driven Dome tweeters
• Polypropylene cone material with Plus One woofer cone architecture
• Impedance: 3 ohm
• Sensitivity: 92 dB

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Install kits available for most vehicles

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1
List price $129.95
-23% $99.95 /pair
Add to Cart

• 165 watts Peak Each, 55 watts RMS Each
• 1" Silk Edge Driven Dome tweeters
• Polypropylene cone material with Plus One woofer cone architecture
• Impedance: 3 ohm
• Sensitivity: 92 dB

Limited time!

MB Quart PS1-216

240W Peak (120W RMS) 6.5" Premium Series 2-Way 4-ohm Component Speaker System

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MB Quart PS1-216

240W Peak (120W RMS) 6.5" Premium Series 2-Way 4-ohm Component Speaker System

• 120 watts Peak Each, 60 watts RMS Each
• 1" Magnesium Dome tweeters
• Tunable waveguide tweeter housing
• Pop Paper-Mica Blend cone material
• Curvilinear cone design geometry
• Impedance: 4 ohm
• Sensitivity: 88.9 dB

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List price $239.99
-29% $170.62 /set
Add to Cart

• 120 watts Peak Each, 60 watts RMS Each
• 1" Magnesium Dome tweeters
• Tunable waveguide tweeter housing
• Pop Paper-Mica Blend cone material
• Curvilinear cone design geometry
• Impedance: 4 ohm
• Sensitivity: 88.9 dB

Two Pairs of Rockford Fosgate R165X3

360W 6.5" 3-Way PRIME Series Coaxial Speakers w/ Silk Tweeters

R165X3 2 Pack big Out of stock
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Two Pairs of Rockford Fosgate R165X3

360W 6.5" 3-Way PRIME Series Coaxial Speakers w/ Silk Tweeters

• Peak Power: 90w each
• RMS Power: 45w each
• 1/2" Silk Dome Piezo Tweeter
• Mounting Depth: 2-3/16"
• CEA-2031 Compliant Speakers
• 4 Ohm Impedance
• Sensitivity: 91dB

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159
$159.98
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• Peak Power: 90w each
• RMS Power: 45w each
• 1/2" Silk Dome Piezo Tweeter
• Mounting Depth: 2-3/16"
• CEA-2031 Compliant Speakers
• 4 Ohm Impedance
• Sensitivity: 91dB

Limited time!

MB Quart DK2-116S

240W Peak (120W RMS) 6.5" Discus Series 2-way 4-ohm Shallow-Mount Coaxial Car Speakers

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MB Quart DK2-116S

240W Peak (120W RMS) 6.5" Discus Series 2-way 4-ohm Shallow-Mount Coaxial Car Speakers

• 120 watts Peak Each, 60 watts RMS Each
• Aluminum Inverted Dome tweeters
• Lightweight Thermoformed Polypropylene cone material
• Shallow mount design
• Impedance: 4 ohm
• Sensitivity: 88 dB

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List price $89.99
-11% $79.99 /pair
Add to Cart

• 120 watts Peak Each, 60 watts RMS Each
• Aluminum Inverted Dome tweeters
• Lightweight Thermoformed Polypropylene cone material
• Shallow mount design
• Impedance: 4 ohm
• Sensitivity: 88 dB

Limited time!

Pioneer TS-Z65F

660W Peak (220W RMS) 6.5" Z-Series 2-Way Coaxial 4-ohm Speakers

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Pioneer TS-Z65F

660W Peak (220W RMS) 6.5" Z-Series 2-Way Coaxial 4-ohm Speakers

• 330 watts Peak Each, 110 watts RMS Each
• 1.1" Aluminum Alloy Balanced Drive Tweeters
• Twaron Aramid Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 85 dB
• Mounting Depth: 2-1/2"

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Install kits available for most vehicles

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Fits select locations in your A4 Quattro.
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List price $300.00
Save $130.00
-43% $170.00 /pair
Add to Cart

• 330 watts Peak Each, 110 watts RMS Each
• 1.1" Aluminum Alloy Balanced Drive Tweeters
• Twaron Aramid Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 85 dB
• Mounting Depth: 2-1/2"

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    Q: Can I upgrade or change the Speakers in 2001 Audi A4 Quattro?

    A: Yes this page includes all the best Speakers that work in your A4 Quattro.

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    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
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    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.

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