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

Diamond Audio DMDX8

390W Peak (130W RMS) 8" DMDX Series 2-Way Cocentric Coaxial Car Speakers

No picture
Go to item page Right Arrow Icon of Right Arrow

390W Peak (130W RMS) 8" DMDX Series 2-Way Cocentric Coaxial Car Speakers

• 195 watts Peak Each, 65 watts RMS Each
• Silk Dome Tweeters
• Impedance: 4 ohm
• Sensitivity: 87 dB

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

VIP Product Get $19.00 in rewards to spend later

install icon

Save $8 on install kits for this speaker

found car based on your search
Fits your A3
$189.99 /pair

In stock.

• 195 watts Peak Each, 65 watts RMS Each
• Silk Dome Tweeters
• Impedance: 4 ohm
• Sensitivity: 87 dB

Diamond Audio DMDX8C

390W Peak (130W RMS) 8" DMDX Series 2-Way Component Speaker System

DMDX8C big
Go to item page Right Arrow Icon of Right Arrow

390W Peak (130W RMS) 8" DMDX Series 2-Way Component Speaker System

• 195 watts Peak Each, 65 watts RMS Each
• 1" Soft Dome Tweeters
• Impedance: 4 ohm
• Sensitivity: 87 dB

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

VIP Product Get $30.00 in rewards to spend later

install icon

Save $11 on install kits for this speaker

found car based on your search
Fits your A3
$299.99 /set

In stock

Only 2 Left!

• 195 watts Peak Each, 65 watts RMS Each
• 1" Soft Dome Tweeters
• Impedance: 4 ohm
• Sensitivity: 87 dB

Diamond Audio MS82NEO4

1200W Peak (600W RMS) 8" MS NEO Series 2-Way Pro Coaxial 4-ohm Powersports and Motorcycle Speakers

MS82NEO4 big
Go to item page Right Arrow Icon of Right Arrow

1200W Peak (600W RMS) 8" MS NEO Series 2-Way Pro Coaxial 4-ohm Powersports and Motorcycle Speakers

• 600 watts Peak Each, 300 watts RMS Each
• Polyethylene-Naphthalate Horn Tweeters
• Waterproof DUPONT™ Kevlar 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 $88.00 in rewards to spend later

install icon

Save $11 on install kits for this speaker

found car based on your search
Fits your A3
$879.99 /pair

In stock

Only 2 Left!

Diamond Audio MSPRO8

500W RMS 8” MSPRO Series 4-ohm Pro Audio High Output Speakers for Harley-Davidson Motorcycles

MSPRO8 big
Go to item page Right Arrow Icon of Right Arrow

500W RMS 8” MSPRO Series 4-ohm Pro Audio High Output Speakers for Harley-Davidson Motorcycles

• Peak Each, 250 watts RMS Each
• Thermal Molded Waterproof Paper cone material
• Impedance: 4 ohm
• Sensitivity: 100 dB
• IP65 marine certified
• Designed for Harley-Davidson motorcycles

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

VIP Product Get $36.00 in rewards to spend later

install icon

Save $11 on install kits for this speaker

found car based on your search
Fits your A3
List price $369.99
$359.99 /pair

In stock

Diamond Audio MS82NEO2

1200W Peak (600W RMS) 8" MS NEO Series 2-Way Pro Coaxial 2-ohm Powersports and Motorcycle Speakers

MS82NEO2 big
Go to item page Right Arrow Icon of Right Arrow

1200W Peak (600W RMS) 8" MS NEO Series 2-Way Pro Coaxial 2-ohm Powersports and Motorcycle Speakers

• 600 watts Peak Each, 300 watts RMS Each
• Polyethylene-Naphthalate Horn Tweeters
• Waterproof DUPONT™ Kevlar cone material
• Impedance: 2 ohm
• Sensitivity: 96 dB

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

VIP Product Get $88.00 in rewards to spend later

install icon

Save $11 on install kits for this speaker

found car based on your search
Fits your A3
$879.99 /pair

In stock

Only 2 Left!

Diamond Audio MS8NEO

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

MS8NEO big
Go to item page Right Arrow Icon of Right Arrow

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

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

VIP Product Get $80.00 in rewards to spend later

install icon

Save $11 on install kits for this speaker

found car based on your search
Fits your A3
$799.99 /pair

In stock.

Diamond Audio MP84

800W Peak (400W RMS) 8" Motorsport Series Pro Audio Full Range Coaxial Horn Speakers

MP84 big
Go to item page Right Arrow Icon of Right Arrow

800W Peak (400W RMS) 8" Motorsport Series Pro Audio Full Range Coaxial Horn Speakers

• 400 watts Peak Each, 200 watts RMS Each
• 1" Horn tweeters
• Impedance:
• Sensitivity: 103 dB

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

VIP Product Get $55.00 in rewards to spend later

install icon

Save $11 on install kits for this speaker

found car based on your search
Fits your A3
$549.99 /pair

In stock.

Diamond Audio MSMB82NEO

1200W Peak (600W RMS) 8" MSNEO Series Mid Bass 2-ohm Car and Motorcycle Speakers

MSMB82NEO big
Go to item page Right Arrow Icon of Right Arrow

1200W Peak (600W RMS) 8" MSNEO Series Mid Bass 2-ohm Car and Motorcycle Speakers

• 600 watts Peak Each, 300 watts RMS Each
• DUPONT™ Kevlar cone material
• Impedance: 2 ohm
• Sensitivity: 95 dB

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

VIP Product Get $88.00 in rewards to spend later

install icon

Save $11 on install kits for this speaker

found car based on your search
Fits your A3
$879.99 /pair

In stock.

Diamond Audio MSPRO8 with Sound Damping

1000W Peak (500W RMS) 8” MSPRO Series 2-way Coaxial Speakers + NVX SDSK2 Sound Damping

MSPRO8_SDSK2 big
Go to item page Right Arrow Icon of Right Arrow

1000W Peak (500W RMS) 8” MSPRO Series 2-way Coaxial Speakers + NVX SDSK2 Sound Damping

• 500 watts Peak Each, 250 watts RMS Each
• Tweeters
• Thermal molded waterproof paper cone material
• Impedance: 4 ohm
• Sensitivity: 100 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 A3
46
List price $388.73
-7% $359.99

In stock

• 500 watts Peak Each, 250 watts RMS Each
• Tweeters
• Thermal molded waterproof paper cone material
• Impedance: 4 ohm
• Sensitivity: 100 dB

Diamond Audio MSPRO8 with Speaker Installation Kit

Includes: (2) 8" Midrange Component Speaker, 2 Piece Speaker Baffles, Sound Damping Kit, Installer Panel Removal Tool Kit, Rubber Roller

MSPRO8, XBAF8, SDRLR1, SDSK2, BTK106 big
Go to item page Right Arrow Icon of Right Arrow

Includes: (2) 8" Midrange Component Speaker, 2 Piece Speaker Baffles, Sound Damping Kit, Installer Panel Removal Tool Kit, Rubber Roller

• 500 watts Peak Each, 250 watts RMS Each
• Tweeters
• Thermal molded waterproof paper cone material
• Impedance: 4 ohm
• Sensitivity: 100 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Install kits available for this speaker

found car based on your search
Fits your A3
140
List price $452.70
-10% $405.80 /pair

In stock

• 500 watts Peak Each, 250 watts RMS Each
• Tweeters
• Thermal molded waterproof paper cone material
• Impedance: 4 ohm
• Sensitivity: 100 dB

Diamond Audio MSPRO8 (2-Pairs, 4-Total)

2000W Peak (1000W RMS) 8” MSPRO Series 2-way Coaxial Speakers (2-Pairs)

MSPRO8_2 big
Go to item page Right Arrow Icon of Right Arrow

2000W Peak (1000W RMS) 8” MSPRO Series 2-way Coaxial Speakers (2-Pairs)

• 500 watts Peak Each, 250 watts RMS Each
• Tweeters
• Thermal molded waterproof paper cone material
• Impedance: 4 ohm
• Sensitivity: 100 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 A3
List price $739.98
$719.98

In stock

Only 2 Left!

• 500 watts Peak Each, 250 watts RMS Each
• Tweeters
• Thermal molded waterproof paper cone material
• Impedance: 4 ohm
• Sensitivity: 100 dB

Diamond Audio MS8NEO with Sound Damping

1400W Peak 700W 8″ MS Neo Series Midrange Coaxial Speakers + NVX SDSK2 Sound Damping

MS8NEO_SDSK2 big
Go to item page Right Arrow Icon of Right Arrow

1400W Peak 700W 8″ MS Neo Series Midrange Coaxial Speakers + NVX SDSK2 Sound Damping

• 700 watts Max Each, 350 watts RMS Each
• Neodymium Cone Tweeters
• Waterproof Black DUPONT™ Kevlar Cone
• Impedance: 4 ohm
• Sensitivity: 96 dB
• Mounting Depth: 3.15"

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 A3
46
$814.98

In stock.

• 700 watts Max Each, 350 watts RMS Each
• Neodymium Cone Tweeters
• Waterproof Black DUPONT™ Kevlar Cone
• Impedance: 4 ohm
• Sensitivity: 96 dB
• Mounting Depth: 3.15"

Diamond Audio MP84 with Sound Damping

400W MAX (200W RMS) 8" PRO Full-Range Coaxial Horn Speakers + NVX SDSK2 Sound Damping

MP84_SDSK2 big
Go to item page Right Arrow Icon of Right Arrow

400W MAX (200W RMS) 8" PRO Full-Range Coaxial Horn Speakers + NVX SDSK2 Sound Damping

• 400 watts Max Each, 200 watts RMS Each
• 1" Aluminum Horn Tweeters
• Heavy duty die-cast aluminum basket
• Advanced voice coil heat sink design for better heat dissipation
• Sensitivity: 103 dB
• Mounting Depth: 7.09"

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 A3
46
$564.98

In stock.

• 400 watts Max Each, 200 watts RMS Each
• 1" Aluminum Horn Tweeters
• Heavy duty die-cast aluminum basket
• Advanced voice coil heat sink design for better heat dissipation
• Sensitivity: 103 dB
• Mounting Depth: 7.09"

Diamond Audio MSMB82NEO with Sound Damping

1400W Peak (700W RMS) 8" NEO Series 2-way 2-ohm Mid Bass Speaker + NVX SDSK2 Sound Damping

MSMB82NEO_SDSK2 big
Go to item page Right Arrow Icon of Right Arrow

1400W Peak (700W RMS) 8" NEO Series 2-way 2-ohm Mid Bass Speaker + NVX SDSK2 Sound Damping

• 700 watts Peak Each, 350 watts RMS Each
• DUPONT™ Kevlar cone material
• Impedance: 2 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 A3
46
$894.98

In stock.

• 700 watts Peak Each, 350 watts RMS Each
• DUPONT™ Kevlar cone material
• Impedance: 2 ohm
• Sensitivity: 92 dB

Diamond Audio MSMB82NEO (2-Pairs, 4-Total)

1800W Peak (1400W RMS) 8" NEO Series 2-way 2-ohm Mid Bass Speaker (2-Pairs)

MSMB82NEO_2 big
Go to item page Right Arrow Icon of Right Arrow

1800W Peak (1400W RMS) 8" NEO Series 2-way 2-ohm Mid Bass Speaker (2-Pairs)

• 700 watts Peak Each, 350 watts RMS Each
• DUPONT™ Kevlar cone material
• Impedance: 2 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 A3
$1,759.98

In stock.

• 700 watts Peak Each, 350 watts RMS Each
• DUPONT™ Kevlar cone material
• Impedance: 2 ohm
• Sensitivity: 92 dB

Diamond Audio MP84 with Installation Accessories

200W RMS 8" PRO Full-Range Coaxial Horn Speakers with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

MP84, XBAF8, SDSK2, SDRLR1, BTK106 big
Go to item page Right Arrow Icon of Right Arrow

200W RMS 8" PRO Full-Range Coaxial Horn Speakers with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

• 200 watts Max Each, 100 watts RMS Each
• 1" Aluminum Horn Tweeters
• Heavy duty die-cast aluminum basket
• Advanced voice coil heat sink design for better heat dissipation
• Sensitivity: 103 dB
• Mounting Depth: 7.09"

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Save $11 on install kits for this speaker

found car based on your search
Fits your A3
140
List price $622.70
$595.80 /pair

In stock.

• 200 watts Max Each, 100 watts RMS Each
• 1" Aluminum Horn Tweeters
• Heavy duty die-cast aluminum basket
• Advanced voice coil heat sink design for better heat dissipation
• Sensitivity: 103 dB
• Mounting Depth: 7.09"

Diamond Audio MP84 (2-Pairs, 4-Total)

800W MAX (400W RMS) 8" PRO Full-Range Coaxial Horn Speakers (2-Pairs)

MP84_2 big
Go to item page Right Arrow Icon of Right Arrow

800W MAX (400W RMS) 8" PRO Full-Range Coaxial Horn Speakers (2-Pairs)

• 200 watts Max Each, 100 watts RMS Each
• 1" Aluminum Horn Tweeters
• Heavy duty die-cast aluminum basket
• Advanced voice coil heat sink design for better heat dissipation
• Sensitivity: 103 dB
• Mounting Depth: 7.09"

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 A3
$1,099.98

In stock.

• 200 watts Max Each, 100 watts RMS Each
• 1" Aluminum Horn Tweeters
• Heavy duty die-cast aluminum basket
• Advanced voice coil heat sink design for better heat dissipation
• Sensitivity: 103 dB
• Mounting Depth: 7.09"

Diamond Audio MS8NEO (2-Pairs, 4-Total)

2800W Peak 1400W 8″ MS Neo Series Midrange Coaxial Speakers (2-Pairs)

MS8NEO_2 big
Go to item page Right Arrow Icon of Right Arrow

2800W Peak 1400W 8″ MS Neo Series Midrange Coaxial Speakers (2-Pairs)

• 700 watts Max Each, 350 watts RMS Each
• Neodymium Cone Tweeters
• Waterproof Black DUPONT™ Kevlar Cone
• Impedance: 4 ohm
• Sensitivity: 96 dB
• Mounting Depth: 3.15"

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 A3
$1,599.98

In stock.

• 700 watts Max Each, 350 watts RMS Each
• Neodymium Cone Tweeters
• Waterproof Black DUPONT™ Kevlar Cone
• Impedance: 4 ohm
• Sensitivity: 96 dB
• Mounting Depth: 3.15"

    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 2006 A3

    Q: Can I upgrade or change the Speakers in 2006 Audi A3?

    A: Yes this page includes all the best Speakers that work in your A3.

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

    2000 Lexus GS300

    2006 Audi A3

    2012 Ram C/V

    1978 Porsche 924

    2023 Subaru BRZ

    1961 Ford Thunderbird

    2002 Dodge Ram 3500 Van

    1983 Buick Skylark

    1989 Ford Escort

    2026 Tesla Model X

    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.