Garage
Shop

Loading...
Limited time!
KFC-1666S main

Kenwood KFC-1666S

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

51
-38.75%

$49.00

List price $80.00

Kappa 63XF main

Infinity Kappa 63XF (INFSPKKA63XFAM)

510W Peak (170W RMS) 6.5" Kappa Series 2 Way Coaxial 3-ohm Speakers

10
-16.67%

$249.95

List price $299.95

XED650C main

Cerwin-Vega XED650C

600W Peak (70W RMS) 6.5" XED Series 2-Way 4-ohm Component Speaker System

28
-16.67%

$64.99

List price $77.99

Shop all 2016 Audi A3 Car Audio, Speakers, & Electronics

Loading...
Filters
filter-icon Filters & Sort

Kicker 51KST2504

450W Peak (150W RMS) 1" KS Series 4-ohm Car Tweeters

51KST2504 big
Go to item page Right Arrow Icon of Right Arrow

450W Peak (150W RMS) 1" KS Series 4-ohm Car Tweeters

• 1" KS Series Tweeters
• 225 watts Peak Each
• 75 watts RMS Each
• 4 ohm Impedance

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

VIP Product Get $12.00 in rewards to spend later

install icon

Install kits available for most vehicles

found car based on your search
Fits multiple locations in your A3
  • Far-Rear Side Panels
  • Front Pillar
1
List price $139.99
-14% $119.99 /pair

In stock

• 1" KS Series Tweeters
• 225 watts Peak Each
• 75 watts RMS Each
• 4 ohm Impedance

Metra 40-VW53 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 1973-2025 vehicles from Audi, Mercedes-Benz, Volkswagen

40-VW53 big
Go to item page Right Arrow Icon of Right Arrow

Connect your factory antenna to a new aftermarket radio for select 1973-2025 vehicles from Audi, Mercedes-Benz, Volkswagen

• Aftermarket Radio To Factory Antenna Adapter (Amplified)
• Compatible with select 1973-2025 vehicles from Audi, Mercedes-Benz, Volkswagen Vehicles
• Includes Power Wire For Antenna Booster
• Can Be Used In Place Of 40-VW54

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A3
3
List price $17.99
-28% $12.99

In stock

• Aftermarket Radio To Factory Antenna Adapter (Amplified)
• Compatible with select 1973-2025 vehicles from Audi, Mercedes-Benz, Volkswagen Vehicles
• Includes Power Wire For Antenna Booster
• Can Be Used In Place Of 40-VW54

Limited time!

Cerwin-Vega H653

540W Peak (180W RMS) 6.5" HED Series 3 Way Coaxial 4-ohm Speakers

H653 big
Go to item page Right Arrow Icon of Right Arrow

540W Peak (180W RMS) 6.5" HED Series 3 Way Coaxial 4-ohm Speakers

• 270 watts Peak Each, 90 watts RMS Each
• 1" PEI (Polyetherimide) Balanced 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.
install icon

Save $35 on install kits for this speaker

found car based on your search
Fits multiple locations in your A3
List price $131.99
-17% $109.99 /pair

In stock

Deaf Bonce Apocalypse AP-M61SE

520W Peak (260W RMS) 6.5” Apocalypse Series Midrange 4-ohm Speakers

AP-M61SE big
Go to item page Right Arrow Icon of Right Arrow

520W Peak (260W RMS) 6.5” Apocalypse Series Midrange 4-ohm Speakers

• 260 watts Peak Each, 130 watts RMS Each
• Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 101.5 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 A3
8
$109.90 /pair

In stock

Hertz C165

420W Peak (140W RMS) 6.5" Cento Series Midrange 4-ohm Speakers

C165 big
Go to item page Right Arrow Icon of Right Arrow

420W Peak (140W RMS) 6.5" Cento Series Midrange 4-ohm Speakers

• 210 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 $35 on install kits for this speaker

found car based on your search
Fits multiple locations in your A3
4
List price $230.00
-13% $199.99 /pair

In stock

Sony DSX-A415BT (DSXA415BT)

Single DIN Digital Media Receiver with Bluetooth (SiriusXM Ready)

DSX-A415BT big
Go to item page Right Arrow Icon of Right Arrow

Single DIN Digital Media Receiver with Bluetooth (SiriusXM Ready)

• Single DIN Bluetooth Digital Media Receiver
• LCD Text Display
• Compatible with iPhone or Android via Bluetooth
• 2 sets of 2 volts preamp outputs
• 10-Band Graphic Equalizer
• SiriusXM Satellite Radio Ready
• Voice control for iPhone and Android

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.
6
List price $149.99
-21% $118.00

In stock

Only 1 Left!

Rockford Fosgate Punch Pro V2 PPROV2-65

300W Peak (150W RMS) 6.5" Punch Pro Series Pro Audio Midrange 4-ohm Car Speakers

PPROV2-65 big
Go to item page Right Arrow Icon of Right Arrow

300W Peak (150W RMS) 6.5" Punch Pro Series Pro Audio Midrange 4-ohm Car Speakers

• 150 watts Peak Each, 75 watts RMS Each
• Curvilinear Pressed Pulp cone material
• Impedance: 4 ohm
• Sensitivity: 92.5 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 $35 on install kits for this speaker

found car based on your search
Fits multiple locations in your A3
$199.99 /pair

In stock

Only 3 Left!

• 150 watts Peak Each, 75 watts RMS Each
• Curvilinear Pressed Pulp cone material
• Impedance: 4 ohm
• Sensitivity: 92.5 dB

Kenwood eXcelon KDC-X705

Single DIN CD Multimedia Receiver with Bluetooth and Built-in Alexa (Sirius XM Ready)

KDC-X705 big
Go to item page Right Arrow Icon of Right Arrow

Single DIN CD Multimedia Receiver with Bluetooth and Built-in Alexa (Sirius XM Ready)

• Single DIN Bluetooth Digital Multimedia Receiver with USB and AUX
• LCD Text Display
• iPhone and Android Compatible
• 3 sets of 5 volts preamp outputs
• 13-Band Graphic Equalizer with Digital Time Alignment
• SiriusXM Satellite Radio Ready

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

VIP Product Get $22.90 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 $280.00
-18% $229.00

In stock

Sony MEX-N5300BT

Single DIN CD Receiver with Bluetooth and Built-in NFC

MEX-N5300BT big
Go to item page Right Arrow Icon of Right Arrow

Single DIN CD Receiver with Bluetooth and Built-in NFC

• Single DIN Bluetooth CD Receiver
• LCD Text Display
• Compatible with iPhone or Android via Bluetooth
• 3 sets of 4 volts preamp outputs
• 10-Band Digital Equalizer
• SiriusXM Satellite Radio Ready
• Voice control for iPhone and Android
• Tap to connect wirelessly via built-in NFC

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.
82
List price $159.99
$158.00

In stock

Only 3 Left!

Kenwood KDC-BT382U

Single DIN CD Receiver with Bluetooth and Built-in Alexa (SiriusXM Ready)

KDC-BT382U big
Go to item page Right Arrow Icon of Right Arrow

Single DIN CD Receiver with Bluetooth and Built-in Alexa (SiriusXM Ready)

• Single DIN In-Dash Bluetooth CD Receiver
• LCD Text Display
• SiriusXM ready and Amazon Alexa compatible
• iPhone, iPod, and Android compatible
• 3 sets of 2.5 volts preamp outputs
• 13-Band Equalizer with Digital Time Alignment

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.
14
List price $200.00
-11% $179.00

In stock

Metra Kit 82-9010

6.5" to 6.75" Speaker Mounting Adapters for select 2004-2023 vehicles from Audi, Volkswagen

82-9010 big
Go to item page Right Arrow Icon of Right Arrow

6.5" to 6.75" Speaker Mounting Adapters for select 2004-2023 vehicles from Audi, Volkswagen

• Fits select 2004-2023 vehicles from Audi, Volkswagen
• Designed to install 6.5" to 6.75" aftermarket speakers
• Easy installation, no cutting or drilling required
• Includes (2) speaker adapter plates

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
This speaker adapter fits your A3
  • Far-Rear Side Panels 6.5" Full-Range
  • Front Door 6.5" Full-Range
List price $33.99
-41% $19.99

In stock

• Fits select 2004-2023 vehicles from Audi, Volkswagen
• Designed to install 6.5" to 6.75" aftermarket speakers
• Easy installation, no cutting or drilling required
• Includes (2) speaker adapter plates

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 $35 on install kits for this speaker

found car based on your search
Fits multiple locations in your A3
2
$219.99 /pair

In stock

Used from: $186.99

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 $35 on install kits for this speaker

found car based on your search
Fits multiple locations in your A3
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 A3
51
List price $80.00
Save 39%
-39% $49.00 /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 $35 on install kits for this speaker

found car based on your search
Fits multiple locations in your A3
70
List price $149.99
-13% $129.99 /pair

In stock

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 $35 on install kits for this speaker

found car based on your search
Fits multiple locations in your A3
59
$79.99 /pair

In stock

Used from: $67.99
Limited time!

Dual DCPA1013

10.1" Single DIN Floating Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay, Android Auto

DCPA1013 big
Go to item page Right Arrow Icon of Right Arrow

10.1" Single DIN Floating Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay, Android Auto

• Single DIN In-Dash Bluetooth Digital Media Receiver
• 10.1" Capacitive Touchscreen Display
• Wireless Apple CarPlay and Android Auto Compatible
• Navigation access through smartphone mirroring
• 3 sets of 2 volts preamp outputs
• 10-Band Equalizer and 7 Presets
• Bluetooth for hands-free talking and audio streaming

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

VIP Product Get $29.00 in rewards to spend later

install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
5
List price $383.99
Save $94.00
-24% $289.99

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 $21 on install kits for this speaker

found car based on your search
Fits multiple locations in your A3
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 A3
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 multiple locations in your A3
  • Center Dash
  • Far-Rear Side Panels
  • Front Door
$89.99 /pair

In stock

Only 2 Left!

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

    2016 Audi A3

    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.