Garage
Shop

Loading...
82-8148 main

Metra 82-8148

6" to 6.75" Speaker Bracket for select 1998-2024 vehicles from Toyota, Subaru, Scion

35
-50.01%

$18.99

List price $37.99

VSP65KIT main

NVX VSP65KIT

750W Peak (250W RMS) 6.5" V-Series 2 Way Component Car Speakers

84
-16.67%

$119.99

List price $143.99

C1-650x main

JL Audio C1-650x

100W RMS 6.5" C1 Series 2 Way Coaxial 4-ohm Car Speakers

42
Limited time!
TS-G1620F main

Pioneer TS-G1620F

600W Peak (80W RMS) 6.5" G-Series 2-Way Coaxial 4-ohm Car Speakers

13
-26.15%

$48.00

List price $65.00

SHOCK WAVE 150W65 main

JBL SHOCK WAVE 150W65 (JBLSPKSW150W65)

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

5
-7.70%

$119.95

List price $129.95

Limited time!
PRO-X8M main

DS18 PRO-X8M (Sold Individually)

550W Peak (275W RMS) 8” PRO-X Series 8-ohm Mid-Range Loudspeaker

-15.00%

$55.21

List price $64.95

R1T-S main

Rockford Fosgate PRIME R1T-S

160W Peak (80W RMS) 1" PRIME Series Mylar Balanced Dome Car Tweeters

34

Rockford Fosgate Punch P1 P1675-S

240W Peak (120W RMS) 6.75" Punch Series 2 Way Component 4-ohm Speakers

20

$159.99

DS18 25D120NO-4

240W Peak (120W RMS) 2.5" OEM Dashboard Full-Range 4-ohm Loudspeakers

-16.71%

$89.95

List price $107.99

Rockford Fosgate Punch Pro PPS4-8 (Sold Individually)

250 Peak (125W RMS) 8” Punch Pro Series Pro-Audio 4-ohm Speaker

19

Shop all 2011 Audi A4 Car Audio, Speakers, & Electronics

Loading...
Filters
filter-icon Filters & Sort

Hertz C165F

360W Peak (140W RMS) 6.5" Cento Series 4-ohm Midbass Car Speakers

C165F big
Go to item page Right Arrow Icon of Right Arrow

360W Peak (140W RMS) 6.5" Cento Series 4-ohm Midbass Car Speakers

• 180 watts Peak Each, 70 watts RMS Each
• Semi-Pressed paper with Mica cone material
• Impedance: 4 ohm
• Sensitivity: 93 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

install icon

Save $27 on install kits for this speaker

found car based on your search
Fits multiple locations in your A4
List price $230.00
-13% $199.99 /pair

In stock

Limited time!

Kenwood KFC-1666S

600W Peak (60W RMS) 6.5" Sport Series 2 Way Coaxial 4-ohm Car Speakers

KFC-1666S big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (60W RMS) 6.5" Sport Series 2 Way Coaxial 4-ohm Car Speakers

• 300 watts Peak Each, 30 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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

Save $2 on install kits for this speaker

found car based on your search
Fits multiple locations in your A4
51
List price $80.00
Save 39%
-39% $49.00 /pair

In stock

Limited time!

Rockford Fosgate Power T16

280W Peak (140W RMS) 6" Power Series 2 Way Coaxial 4-ohm Speakers

T16 big
Go to item page Right Arrow Icon of Right Arrow

280W Peak (140W RMS) 6" Power Series 2 Way Coaxial 4-ohm Speakers

• 140 watts Peak Each, 70 watts RMS Each
• 1" Aluminum Dome tweeters
• Carbon Fiber and Injection-molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 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 $22.00 in rewards to spend later

install icon

Save $27 on install kits for this speaker

found car based on your search
Fits multiple locations in your A4
2
$219.99 /pair

In stock

Used from: $186.99
Limited time!

Rockford Fosgate Prime R1675X2

180W Peak (90W RMS) 6.75" Prime Series 2 Way Coaxial 4-ohm Speakers

R1675X2 big
Go to item page Right Arrow Icon of Right Arrow

180W Peak (90W RMS) 6.75" Prime Series 2 Way Coaxial 4-ohm Speakers

• 90 watts Peak Each, 45 watts RMS Each
• 1/2" Silk Dome tweeters
• 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 $8.00 in rewards to spend later

install icon

Save $27 on install kits for this speaker

found car based on your search
Fits multiple locations in your A4
59
$79.99 /pair

In stock

Used from: $67.99

Kicker KSC35 (51KSC3504)

200W Peak (100W RMS) 3.5" KS Series 2 Way Coaxial 4-ohm Speakers

51KSC3504 big
Go to item page Right Arrow Icon of Right Arrow

200W Peak (100W RMS) 3.5" KS Series 2 Way Coaxial 4-ohm Speakers

• 100 watts Peak Each, 50 watts RMS Each
• 1/2" Silk Balanced Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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

Save $8 on install kits for this speaker

found car based on your search
Fits the following location in your A4
  • Rear Deck Corner
4
List price $89.99
-11% $79.99 /pair

In stock

Limited time!

Kicker KSC65 (51KSC6504)

400W Peak (200W RMS) 6.5" KS Series 2 Way Coaxial 4-ohm Speakers

51KSC6504 big
Go to item page Right Arrow Icon of Right Arrow

400W Peak (200W RMS) 6.5" KS Series 2 Way Coaxial 4-ohm Speakers

• 200 watts Peak Each, 100 watts RMS Each
• 3/4" 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

Save $27 on install kits for this speaker

found car based on your search
Fits multiple locations in your A4
70
List price $149.99
-13% $129.99 /pair

In stock

GROM Audio VAUX (C-VAUX)

AV Cable for VLine VL2 Aftermarket Backup and Front Camera Integration

C-VAUX big
Go to item page Right Arrow Icon of Right Arrow

AV Cable for VLine VL2 Aftermarket Backup and Front Camera Integration

• AV Cable for Aftermarket Backup and Front View Camera Integration
• Compatible with VLine VL2 Navigation, Infotainment and CarPlay/Android Auto integration system
• Adds a 3.5mm aux connection from your VLine VL2 unit

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A4
$13.99

Available

Ships in 10-14 days

• AV Cable for Aftermarket Backup and Front View Camera Integration
• Compatible with VLine VL2 Navigation, Infotainment and CarPlay/Android Auto integration system
• Adds a 3.5mm aux connection from your VLine VL2 unit

Limited time!

JL Audio C2-650

200W RMS 6.5" C2 Series 2 Way Component 4-ohm Speakers

C2-650 big
Go to item page Right Arrow Icon of Right Arrow

200W RMS 6.5" C2 Series 2 Way Component 4-ohm Speakers

• 60 watts RMS Each
• 3/4" Silk Dome tweeters
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 91 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 $25.50 in rewards to spend later

install icon

Save $27 on install kits for this speaker

found car based on your search
Fits multiple locations in your A4
21
List price $329.99
Save $75.00
-23% $254.99 /set

In stock

Used from: $216.74
Limited time!

Pioneer TS-D65F

540W Peak (180W RMS) 6.5" D Series 2-Way Coaxial 4-ohm Speakers

TS-D65F big
Go to item page Right Arrow Icon of Right Arrow

540W Peak (180W RMS) 6.5" D Series 2-Way Coaxial 4-ohm Speakers

• 270 watts Peak Each, 90 watts RMS Each
• 1" Polyester Fiber Soft Dome swivel tweeters
• Aramid fiber reinforced Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 85 dB

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 multiple locations in your A4
1
List price $210.00
Save $99.50
-47% $110.50 /pair

In stock

NVX ESP65

360W Peak (120W RMS) 6.5" E-Series 2 Way Coaxial Car Speakers

ESP65 big
Go to item page Right Arrow Icon of Right Arrow

360W Peak (120W RMS) 6.5" E-Series 2 Way Coaxial Car Speakers

• 180 watts Peak Each, 60 watts RMS Each
• 1/2" PEI (Polyetherimide) Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

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

Save $13 on install kits for this speaker

found car based on your search
Fits multiple locations in your A4
14
List price $54.99
-18% $44.99 /pair

In stock

Continue to cart

Available Offers (2) for NVX ESP65
Offer image
Independance Deals Save 10% at Checkout!
List price $54.99
-18% $44.99
$40.49 with coupon | Price details
2026-07-12 23:59:00
Free Speaker Accessory at Checkout!
Limited time!

MTX PS65C-BP

340W Peak (170W RMS) 6.5" 4-ohm Coaxial All-Weather Bar-Mount Speakers with Rotating Clamps and RGB Lighting

PS65C-BP big
Go to item page Right Arrow Icon of Right Arrow

340W Peak (170W RMS) 6.5" 4-ohm Coaxial All-Weather Bar-Mount Speakers with Rotating Clamps and RGB Lighting

• 170 watts Peak Each, 85 watts RMS Each
• Dual Teteron Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB
• Mounting Depth: 6-3/16"

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

VIP Product Get $48.00 in rewards to spend later

install icon

Install kits available for this speaker

found car based on your search
Fits multiple locations in your A4
List price $549.95
Save $69.99
-13% $479.96 /pair

Available

Ships in 10-14 days

• 170 watts Peak Each, 85 watts RMS Each
• Dual Teteron Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB
• Mounting Depth: 6-3/16"

Cerwin-Vega V3

360W Peak (120W RMS) 3" Vega Series 2025 Edition 2-Way Coaxial 4-ohm Speakers

V3 big
Go to item page Right Arrow Icon of Right Arrow

360W Peak (120W RMS) 3" Vega Series 2025 Edition 2-Way Coaxial 4-ohm Speakers

• 180 watts Peak Each, 60 watts RMS Each
• 1/2" Silk Balanced Dome Tweeters
• Carbon Fiber Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 83 dB

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

Save $8 on install kits for this speaker

found car based on your search
Fits the following location in your A4
  • Rear Deck Corner
$89.99 /pair

In stock

Only 2 Left!

Hertz C 165 L

480W Peak (160W RMS) 6.5" Cento Series Midwoofer 4-ohm Car Speaker

C165L big
Go to item page Right Arrow Icon of Right Arrow

480W Peak (160W RMS) 6.5" Cento Series Midwoofer 4-ohm Car Speaker

• 240 watts Peak Each, 80 watts RMS Each
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 91 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

install icon

Save $27 on install kits for this speaker

found car based on your search
Fits multiple locations in your A4
1
List price $230.00
-13% $199.99

In stock

Limited time!

Rockford Fosgate Punch P1 P1675

240W Peak (120W RMS) 6.75” Punch Series 3 Way Coaxial 4-ohm Speakers

P1675 big
Go to item page Right Arrow Icon of Right Arrow

240W Peak (120W RMS) 6.75” Punch Series 3 Way Coaxial 4-ohm Speakers

• 120 watts Peak Each, 60 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome tweeters
• Injection Molded 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 $11.00 in rewards to spend later

install icon

Save $27 on install kits for this speaker

found car based on your search
Fits multiple locations in your A4
48
$109.99 /pair

In stock

Used from: $93.49

Stinger Roadkill RKFR6

FAST Foam Speaker Enhancer System Kit for 6" and 6.5" Drivers 3pc

RKFR6 big
Go to item page Right Arrow Icon of Right Arrow

FAST Foam Speaker Enhancer System Kit for 6" and 6.5" Drivers 3pc

• F.A.S.T. Ring Kit for 6" and 6.5" Speakers
• Includes 3 piece foam speaker rings
• Acoustically seals speakers for better sound performance
• Absorbs rear wave, prevents front and rear wave cancellation and reduces panels vibrations

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A4
29
List price $29.00
-28% $20.99

In stock

• F.A.S.T. Ring Kit for 6" and 6.5" Speakers
• Includes 3 piece foam speaker rings
• Acoustically seals speakers for better sound performance
• Absorbs rear wave, prevents front and rear wave cancellation and reduces panels vibrations

Metra 81-4300

Universal Speaker Baffles for 5-1/4" and 6-1/2" Speakers

81-4300 big
Go to item page Right Arrow Icon of Right Arrow

Universal Speaker Baffles for 5-1/4" and 6-1/2" Speakers

• Universal Speaker Baffles
• Works for 5-1/4" & 6-1/2" Speakers
• Durable ABS Plastic Construction
• Protects the Back of the Speaker
• Reduces Panel Vibration
• Blocks Road Noise
• Creates a Tight Acoustic Seal

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A4
25
List price $24.99
-12% $21.99

In stock

• Universal Speaker Baffles
• Works for 5-1/4" & 6-1/2" Speakers
• Durable ABS Plastic Construction
• Protects the Back of the Speaker
• Reduces Panel Vibration
• Blocks Road Noise
• Creates a Tight Acoustic Seal

Limited time!

Pioneer TS-G1620F

600W Peak (80W RMS) 6.5" G-Series 2-Way Coaxial 4-ohm Car Speakers

TS-G1620F big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (80W RMS) 6.5" G-Series 2-Way Coaxial 4-ohm Car Speakers

• 300 watts Peak Each, 40 watts RMS Each
• 1-3/16" PET Balanced Dome Tweeters
• Injection-molded Polypropylene with Mica cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

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 multiple locations in your A4
13
List price $65.00
Save 26%
-26% $48.00 /pair

In stock

NVX XQS65KIT Version 2 (XQS65KITv2)

600W Peak (300W RMS) 6.5" X-Series 2 Way Component Car Speakers

XQS65KITv2 big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (300W RMS) 6.5" X-Series 2 Way Component Car Speakers

• 300 watts Peak Each, 150 watts RMS Each
• 1-1/8" Silk Dome tweeters
• Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

2+ offers available
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $40.00 in rewards to spend later

install icon

Install kits available for this speaker

found car based on your search
Fits multiple locations in your A4
9
List price $499.99
-20% $399.99 /set

In stock

Continue to cart

Available Offers (2) for NVX XQS65KIT Version 2 (XQS65KITv2)
Offer image
Independance Deals Save 10% at Checkout!
List price $499.99
-20% $399.99
$359.99 with coupon | Price details
2026-07-12 23:59:00
Free Baffles with Select Speakers
Limited time!

Alpine S2-S65

480W Peak (160W RMS) 6.5" S-Series Hi-Res 2-Way Coaxial 4-ohm Car Speakers

S2-S65 big
Go to item page Right Arrow Icon of Right Arrow

480W Peak (160W RMS) 6.5" S-Series Hi-Res 2-Way Coaxial 4-ohm Car Speakers

• 240 watts Peak Each, 80 watts RMS Each
• Hi-Res Audio Certified
• 1" Cloth Dome tweeters
• Polypropylene, Glass Fiber and Mica 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 $15.00 in rewards to spend later

install icon

Save $12 on install kits for this speaker

found car based on your search
Fits multiple locations in your A4
5
List price $180.00
-17% $149.95 /pair

In stock

Rockford Fosgate Punch P1 P132

80W Peak (40W RMS) 3.5” Punch Series 2 Way Coaxial 4-ohm Speakers

P132 big
Go to item page Right Arrow Icon of Right Arrow

80W Peak (40W RMS) 3.5” Punch Series 2 Way Coaxial 4-ohm Speakers

• 40 watts Peak Each, 20 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome tweeters
• Mineral-Filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 85 dB

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

VIP Product Get $9.00 in rewards to spend later

install icon

Save $8 on install kits for this speaker

found car based on your search
Fits the following location in your A4
  • Rear Deck Corner
47
$89.99 /pair

In stock

Used from: $76.49

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?

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

    2003 Hummer H2

    2010 Lexus RX450h

    2003 Chevrolet TrailBlazer

    1971 Cadillac DeVille

    2005 Chrysler PT Cruiser

    2015 Ford Explorer

    2011 Audi A4

    2020 Ford Escape

    2006 Ford F-150

    2015 Nissan Juke

    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.