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2008 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 2008 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.

All car speakers

Shop All Speaker Locations in the Vehicle

See all speakers that fit, regardless of location.

Center Dash Speaker(s)

Center Dash Speakers

Speakers for your center dash

Dash Corner

Dash Corner Speakers

Speakers for your dash corner

Front Door Panel Speakers

Front Door Speakers

Speakers for your front door panels

Rear Deck Corner

Rear Deck Corner Speakers

Speakers for your corner rear deck

Rear Door Panel Speakers

Rear Door Panel Speakers

Speakers for your rear door panels

Rear Seat Side Panel Speakers

Rear Seat Side Panel Speakers

Speakers for your rear seat side panel.

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.
PRO-X Series (32)
Reference Series (22)
V Series (14)
Kappa Series (13)
Machete Series (12)
Primus Series (12)
PRO Series (12)
Punch Series (11)
S Series (10)
ZXI Series (10)
Polk DB+ Series (9)
PRO-GM Series (9)
Stage Series (9)
HED Series (8)
SPL (8)
XED Series (8)
NEO Series (7)
SPL Show Series (7)
Cento Series (6)
Dieci Series (6)
EQ Series (6)
Mille Legend Series (6)
N-Series (6)
G-Series (TSG) (5)
Terminator Series (5)
Thunder Series (5)
Apocalypse Series (4)
DMD Series (4)
MSNEO Series (4)
PNW Series (4)
Power Series (4)
Premium Series (4)
Prime Series (4)
Signature Series (4)
Street Reference Pro (4)
Stroker Pro Series (4)
VEX Series (4)
XL Series (4)
Zeus Series (4)
8PRO Series (3)
A Series (3)
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GT7 Series (3)
M Series (3)
MAS Series (3)
MC Series (3)
MSPRO Series (3)
Prime Series (3)
PRO-FR Series (3)
PRO-HY Series (3)
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DS Series (2)
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KS Series (2)
LCMR Series (2)
MA Series (2)
MotorSport Series (2)
MR Series (2)
PANCADÃO Series (2)
PRO-NS Series (2)
PRO-SM Series (2)
PS Series (2)
Punch Pro Series (2)
SA Series (2)
Thunder Dome Series (2)
VEGA Series (2)
VTEK Series (2)
BASSREV Series (1)
Black Hydra Series (1)
CF Series (1)
Colossus Classic Series (1)
CVPRO Series (1)
CVPX Series (1)
Diamond Elite Series (1)
Discus Series (1)
DR Series (1)
E-Series (1)
ECX Series (1)
EPIC PRO Series (1)
EQ NEO Series (1)
eXcelon Series (1)
Godfather Pro Series (1)
Hawk Series (1)
HED Pro Series (1)
Mille Pro Series (1)
MM Series (1)
NEO SPL Series (1)
Octagonal Series (1)
Polk Audio MM1 Series (1)
Pro Audio on Wheels Series (1)
Pro Audio Series (1)
PRO-CF Series (1)
PRO-ZT Series (1)
Punch P1 Series (1)
Road Thunder Extreme Series (1)
RS Series (1)
SQ Series (1)
Stadium (1)
Stage 3 Gen 2 Series (1)
Stallion Series (1)
Studio Series (1)
Symphony Series (1)
Tsunami Series (1)
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American Bass NEO-8-MR (Sold Individually)

400W Peak (200W RMS) 8" NEO Series Midrange 4-ohm Speaker

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American Bass NEO-8-MR (Sold Individually)

400W Peak (200W RMS) 8" NEO Series Midrange 4-ohm Speaker

• Peak Power: 400 watts
• RMS Power: 200 watts
• Impedance: 4 ohm
• Sensitivity: 98 dB

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Install kits available for most vehicles

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List price $115.72
-32% $78.52

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Deaf Bonce Machete MM-80L

400W Peak (200W RMS) 8" Machete Series Midrange 4-ohm Speakers

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Deaf Bonce Machete MM-80L

400W Peak (200W RMS) 8" Machete Series Midrange 4-ohm Speakers

• 200 watts Peak Each, 100 watts RMS Each
• Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 93.8 dB

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$64.90 /pair

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Earthquake Sound EQ8-8 (Sold Individually)

250W Peak 8” EQ Series 8-ohm Midbass Car Speaker

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Earthquake Sound EQ8-8 (Sold Individually)

250W Peak 8” EQ Series 8-ohm Midbass Car Speaker

• 250 watts Peak Each
• Paper cone material
• Impedance: 8 ohm
• Sensitivity: 94.1 dB

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List price $90.00
-28% $64.99

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Diamond Audio MP525

300W Peak (150W RMS) 5.25" Motorsport Series Pro Audio Full-Range Coaxial Horn Speakers

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Diamond Audio MP525

300W Peak (150W RMS) 5.25" Motorsport Series Pro Audio Full-Range Coaxial Horn Speakers

• 300 watts Peak Each, 150 watts RMS Each
• 1" Horn tweeters
• Impedance:
• Sensitivity: 101 dB

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$439.99 /pair

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DS18 PRO-CF8.4NR (Sold Individually)

600W Peak (300W RMS) 8" PRO Series Midbass 4-ohm Motorcycle and Powersports Loudspeaker

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DS18 PRO-CF8.4NR (Sold Individually)

600W Peak (300W RMS) 8" PRO Series Midbass 4-ohm Motorcycle and Powersports Loudspeaker

• 600 watts Peak, 300 watts RMS
• Water Resistant Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 99 dB

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$251.95

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Diamond Audio MS8NEO

1400W Peak (700W RMS) 8″ MSNEO Series 4-ohm Midrange Car Speakers

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Diamond Audio MS8NEO

1400W Peak (700W RMS) 8″ MSNEO Series 4-ohm Midrange Car Speakers

• 700 watts Peak Each, 350 watts RMS Each
• Waterproof DUPONT™ Kevlar cone material
• Impedance: 4 ohm
• Sensitivity: 96 dB

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$799.99 /pair

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Deaf Bonce Machete MM-80F

520W Peak (260W RMS) 8" Machete Series Midrange 4-ohm Speakers

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Deaf Bonce Machete MM-80F

520W Peak (260W RMS) 8" Machete Series Midrange 4-ohm Speakers

• 260 watts Peak Each, 130 watts RMS Each
• Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 95.2 dB

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$74.90 /pair

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American Bass HAWK-8-MR (Sold Individually)

600W Peak (300W RMS) 8" Hawk Series Midrange 4-ohm Speaker with LED

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American Bass HAWK-8-MR (Sold Individually)

600W Peak (300W RMS) 8" Hawk Series Midrange 4-ohm Speaker with LED

• 600 watts Peak Power
• RMS Power: 300 watts
• Treated Paper cone material
• Impedance: 4 ohm
• Sensitivity: 97 dB
• Red LED lights

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List price $73.38
-31% $50.81

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American Bass GF-8-MR (Sold Individually)

800W Peak (400W RMS) 8" Godfather Series Midrange 4-ohm Car Speaker

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American Bass GF-8-MR (Sold Individually)

800W Peak (400W RMS) 8" Godfather Series Midrange 4-ohm Car Speaker

• 800 watts Peak, 400 watts RMS
• Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 97 dB

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List price $102.78
-29% $73.26

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Deaf Bonce Machete MLH-80

300W Peak (150W RMS) 8" Machete Series 4-ohm Full Range Car Speakers

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Deaf Bonce Machete MLH-80

300W Peak (150W RMS) 8" Machete Series 4-ohm Full Range Car Speakers

• 150 watts Peak Each, 75 watts RMS Each
• Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 92.6 dB

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$44.90 /pair

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American Bass GF-8CC-MR (Sold Individually)

800W Peak (400W RMS) 8" Godfather Series Midrange 4-ohm Speaker

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American Bass GF-8CC-MR (Sold Individually)

800W Peak (400W RMS) 8" Godfather Series Midrange 4-ohm Speaker

• 400 watts RMS
• Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 95 dB

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List price $118.50
-48% $61.66

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DS18 PRO-X5.4M (Sold Individually)

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

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DS18 PRO-X5.4M (Sold Individually)

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

• 300 watts Peak Each, 150 watts RMS Each
• Red Steel Basket
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

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Install kits available for most vehicles

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Fits multiple locations in your A4 Quattro
  • Front Door
  • Rear Seat Side Panel
1
$44.95

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DS18 PRO-X5M

300W Peak (150W RMS) 5.25” PRO-X Series 8-ohm Midrange Car Loudspeaker

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DS18 PRO-X5M

300W Peak (150W RMS) 5.25” PRO-X Series 8-ohm Midrange Car Loudspeaker

• 300 watts Peak Each, 150 watts RMS Each
• Glossy red steel basket material
• Non-Pressed Paper cone material
• Impedance: 8 ohm
• Sensitivity: 90 dB

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Install kits available for most vehicles

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Fits multiple locations in your A4 Quattro
  • Front Door
  • Rear Seat Side Panel
$44.95

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Limited time!

DS18 PRO-X8.4RGBCAP (Sold Individually)

550W Peak (275W RMS) 8" PRO-X Series 4-ohm Midrange Speaker with RGB Light

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DS18 PRO-X8.4RGBCAP (Sold Individually)

550W Peak (275W RMS) 8" PRO-X Series 4-ohm Midrange Speaker with RGB Light

• 550 watts Peak, 275 watts RMS
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 96 dB

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$77.95

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Massive Audio MM8A

340W Peak (170W RMS) 8" MM Series Midrange 4-ohm Speaker

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Massive Audio MM8A

340W Peak (170W RMS) 8" MM Series Midrange 4-ohm Speaker

• 340 watts Peak, 170 watts RMS
• Hardened Paper cone material
• Impedance: 4 ohm
• Sensitivity: 92.4 dB

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List price $102.98
-22% $79.99

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DS18 PRO-1KP8.4 (Sold Individually)

2000W Peak (1000W RMS) 8" Pancadao Series Pro Mid-Bass 4-ohm Loudspeaker

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DS18 PRO-1KP8.4 (Sold Individually)

2000W Peak (1000W RMS) 8" Pancadao Series Pro Mid-Bass 4-ohm Loudspeaker

• 2000 watts Peak, 1000 watts RMS
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 96 dB

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List price $244.99
-17% $203.95

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PRV Audio 8MR500-4 BULLET

1000W Peak (500W RMS) 8" Pro Audio on Wheels Series Pro Audio Midrange 4-ohm Bullet Car Speaker

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PRV Audio 8MR500-4 BULLET

1000W Peak (500W RMS) 8" Pro Audio on Wheels Series Pro Audio Midrange 4-ohm Bullet Car Speaker

• 1000 watts Peak Each, 500 watts RMS Each
• Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 95 dB

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List price $74.89
-20% $59.91

Available

Ships in 10-14 days

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DS18 8PRO300MB-8 (Sold Individually)

300W Peak (150W RMS) 8" 8PRO Series 8-ohm Mid-bass Speaker

8PRO300MB-8 big
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DS18 8PRO300MB-8 (Sold Individually)

300W Peak (150W RMS) 8" 8PRO Series 8-ohm Mid-bass Speaker

• 300 watts Peak Each, 150 watts RMS Each
• Paper cone material
• Impedance: 8 ohm
• Sensitivity: 97 dB

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$71.95

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Used from: $50.37

DS18 8PRO300MB-4 (Sold Individually)

300W Peak (150W RMS) 8" 8PRO Series 4-ohm Mid-bass Speaker

8PRO300MB-4 big
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DS18 8PRO300MB-4 (Sold Individually)

300W Peak (150W RMS) 8" 8PRO Series 4-ohm Mid-bass Speaker

• 300 watts Peak Each, 150 watts RMS Each
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 97 dB

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Install kits available for most vehicles

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$71.95

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American Bass SQ-5.25-FR

240W Peak (120W RMS) 5.25" SQ Series 2 Way Full Range Coaxial 4-ohm Speakers

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American Bass SQ-5.25-FR

240W Peak (120W RMS) 5.25" SQ Series 2 Way Full Range Coaxial 4-ohm Speakers

• 120 watts Peak Each, 60 watts RMS Each
• Swivel 3/4" Neodymium Dome Tweeters
• Glass Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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Fits multiple locations in your A4 Quattro
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List price $83.00
-40% $49.40 /pair

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    FAQ for Speakers in 2008 A4 Quattro

    Q: Can I upgrade or change the Speakers in 2008 Audi A4 Quattro?

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

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