Garage
Shop

Loading...
SAAI651 main

Scosche SAAI651

select 1996-2006 A6 and TT and A4 Multi 6.5" Speaker Adapter

1
-26.76%

$10.95

List price $14.95

Shop all 2000 Audi A4 Car Audio, Speakers, & Electronics

Loading...
Filters
filter-icon Filters & Sort

JBL Club 620F (SPKCB620FAM)

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

Club 620F big
Go to item page Right Arrow Icon of Right Arrow

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

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

Save $19 on install kits for this speaker

found car based on your search
Fits multiple locations in your A4
2
List price $129.95
-38% $79.95 /pair

In stock.

Used from: $55.97
Limited time!

Kenwood eXcelon DMX709S

6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto (Sirius XM Ready)

DMX709S big
Go to item page Right Arrow Icon of Right Arrow

6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto (Sirius XM Ready)

• Double DIN Bluetooth Digital Multimedia Receiver
• 6.8" WVGA Display
• Apple CarPlay and Android Auto Compatible
• 3 sets of 5 volts preamp outputs
• 13-Band Graphic Equalizer with Digital Time Alignment
• SiriusXM Satellite Radio Ready
• Short chassis for flexible installation

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

Install kits available for this stereo

found car based on your search
Fits your A4
20
List price $600.00
Save $201.00
-34% $399.00

In stock

Like New from: $424.15

• Double DIN Bluetooth Digital Multimedia Receiver
• 6.8" WVGA Display
• Apple CarPlay and Android Auto Compatible
• 3 sets of 5 volts preamp outputs
• 13-Band Graphic Equalizer with Digital Time Alignment
• SiriusXM Satellite Radio Ready
• Short chassis for flexible installation

Sundown Audio SA-1T (SA1T)

65W RMS 1" SA Series Version 4 4-ohm Tweeters (S-SA1T)

S-SA1T big
Go to item page Right Arrow Icon of Right Arrow

65W RMS 1" SA Series Version 4 4-ohm Tweeters (S-SA1T)

• 1" SA Series Tweeters
• 65 watts RMS
• 4 ohm Impedance

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

Install kits available for most vehicles

found car based on your search
Fits multiple locations in your A4
  • Front Door
  • Rear Door
List price $179.99
-17% $149.99 /pair

In stock

Only 2 Left!

• 1" SA Series Tweeters
• 65 watts RMS
• 4 ohm Impedance

GROM Audio AUDU3 (GROM-USB3-AUD)

Android and iOS Smartphone Integration for Select 1998-2009 Audi Vehicles

AUDU3 big
Go to item page Right Arrow Icon of Right Arrow

Android and iOS Smartphone Integration for Select 1998-2009 Audi Vehicles

• Android, Bluetooth, iPhone, iPod Integration Kit
• Compatible With Select 1998-2009 Audi Stereos
• Optional 3.5mm AUX and Bluetooth
• Streaming Audio for Android 4.1 and Above

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

VIP Product Get $17.50 in rewards to spend later

found car based on your search
Fits your A4
1
$174.99

In stock

Only 2 Left!

Limited time!

Alpine iLX-W670-M

6.75" Double DIN Touchscreen Digital Multimedia Receiver with iDataLink Maestro Support, Bluetooth, Apple CarPlay and Android Auto (SiriusXM Ready)

iLX-W670-M big
Go to item page Right Arrow Icon of Right Arrow

6.75" Double DIN Touchscreen Digital Multimedia Receiver with iDataLink Maestro Support, Bluetooth, Apple CarPlay and Android Auto (SiriusXM Ready)

• Double DIN Bluetooth Digital Multimedia Receiver
• 6.75" Capacitive Touchscreen Display Display
• Wired Apple CarPlay and Android Auto Compatible
• 3 sets of 4 volts preamp outputs
• 13-Band Graphic Equalizer with Digital Time Correction
• SiriusXM Satellite Radio Ready
• iDataLink Maestro compatible

FREE Backup Camera at Checkout! Shop deal
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $35.00 in rewards to spend later

install icon

Save $3 on install kits for this stereo

found car based on your search
Fits your A4
2
List price $500.00
Save $150.05
-30% $349.95

In stock

Limited time!

Sony XAV-AX8500

10.1" Single DIN Floating Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay, and Wired Android Auto (SiriusXM Ready)

XAV-AX8500 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, and Wired Android Auto (SiriusXM Ready)

• Single DIN Bluetooth Digital Multimedia Receiver
• 10.1" TFT Active Matrix Display
• Apple CarPlay (wireless) and Android Auto (wired and wireless) compatible
• 3 sets of 5 volts preamp outputs
• 14-Band Graphic EQ and 8-Band Parametric EQ
• SiriusXM Satellite Radio Ready
• iDatalink Maestro compatible
• Flexible installation in both single and double-DIN dashboards

FREE Backup Camera at Checkout! Shop deal
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $79.80 in rewards to spend later

install icon

Free or discounted install kits when available.

found car based on your search
Fits your A4
2
List price $999.99
Save $201.99
-20% $798.00

In stock

Limited time!

Rockford Fosgate Power T2 T2652-S

400W Peak (200W RMS) 6.5" Power Series 2 Way Component 4-ohm Speaker System

T2652-S big
Go to item page Right Arrow Icon of Right Arrow

400W Peak (200W RMS) 6.5" Power Series 2 Way Component 4-ohm Speaker System

• 200 watts Peak Each, 100 watts RMS Each
• 1" Aluminum Dome tweeters with integral suspension
• Carbon Fiber Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

Free Speaker Accessory Kit at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $45.00 in rewards to spend later

install icon

Save $19 on install kits for this speaker

found car based on your search
Fits multiple locations in your A4
42
$449.99 /set

In stock

Used from: $382.49
Limited time!

Rockford Fosgate Prime R165X3

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

R165X3 big
Go to item page Right Arrow Icon of Right Arrow

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

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Save $19 on install kits for this speaker

found car based on your search
Fits multiple locations in your A4
154
$79.99 /pair

In stock

Used from: $48.99

Kenwood eXcelon KDC-X305

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

KDC-X305 big
Go to item page Right Arrow Icon of Right Arrow

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

• Single DIN Bluetooth CD Multimedia Receiver with USB and AUX
• LCD Text Display
• iPhone and Android Compatible
• 3 sets of 5 volts preamp outputs
• 13-Band 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 $19.90 in rewards to spend later

install icon

Free or discounted install kits when available.

found car based on your search
Fits your A4
23
List price $240.00
-17% $199.00

In stock

Infinity Kappa 603CF with Sound Damping

660W Peak (220W EMS) 6.5" Kappa Series 2-way Component Speaker System + NVX SDSK2 Sound Damping

KAPPA603CF_SDSK2 big
Go to item page Right Arrow Icon of Right Arrow

660W Peak (220W EMS) 6.5" Kappa Series 2-way Component Speaker System + NVX SDSK2 Sound Damping

• 330 watts Peak Each, 110 watts RMS Each
• 3/4" Silk Edge-driven Dom Tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 93 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 A4
55
List price $518.69
-31% $359.95

In stock

• 330 watts Peak Each, 110 watts RMS Each
• 3/4" Silk Edge-driven Dom Tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

Kenwood eXcelon KMM-X705

Single DIN Digital Media Receiver with Bluetooth, Built-in Alexa (Sirius XM Ready)

Go to item page Right Arrow Icon of Right Arrow

Single DIN Digital Media Receiver with Bluetooth, 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

VIP Star Icon

VIP Product Get $19.90 in rewards to spend later

install icon

Free or discounted install kits when available.

found car based on your search
Fits your A4
6
List price $250.00
-20% $199.00

• 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

Metra 86-9001

1998-2006 Volkswagen/Audi/Mercedes Radio Removal Tool

86-9001 big
Go to item page Right Arrow Icon of Right Arrow

1998-2006 Volkswagen/Audi/Mercedes Radio Removal Tool

• Radio removal tool for select 1998-2006 Volkswagen, Audi, and Mercedes vehicles

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A4
5
List price $23.99
-13% $20.99

In stock

Only 3 Left!

• Radio removal tool for select 1998-2006 Volkswagen, Audi, and Mercedes vehicles

Pioneer MVH-S322BT

Single DIN Digital Media Receiver with Bluetooth and Amazon Alexa

MVH-S322BT big
Go to item page Right Arrow Icon of Right Arrow

Single DIN Digital Media Receiver with Bluetooth and Amazon Alexa

• Single DIN Bluetooth Digital Media Receiver
• Digital LED Backlit Display
• Pandora and Spotify capable
• 2 pairs of 4 volts preamp outputs
• 13-Band Equalizer

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

Install kits available for most vehicles

found car based on your search
Fits your A4
7
List price $150.00
-13% $129.99

In stock

Limited time!

NVX FRING65

Universal 6.5" or 6.75" Self-Adhesive Foam Speaker Baffle Ring Kit (Pack of 2)

FRING65 big
Go to item page Right Arrow Icon of Right Arrow

Universal 6.5" or 6.75" Self-Adhesive Foam Speaker Baffle Ring Kit (Pack of 2)

• 6.5" or 6.75" Self-Adhesive Foam Speaker Baffle Ring Kit
• Waterproof automotive-grade high-density foam strips
• Prevents front and rear wave cancellation and panel vibrations
• Designed for use with 6.5" or 6.75" speakers
• Pack of 2

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A4
43
List price $19.99
-10% $17.99

In stock

Like New from: $15.29

Pioneer DEH-S7200BHS

Single DIN CD Receiver with Bluetooth, HD Radio and SiriusXM Ready

DEH-S7200BHS big
Go to item page Right Arrow Icon of Right Arrow

Single DIN CD Receiver with Bluetooth, HD Radio and SiriusXM Ready

• Single DIN Bluetooth CD Digital Media Receiver
• LCD Text Display
• Voice Recognition
• Built-in HD Radio
• 3 sets of 4 volts preamp outputs
• 13-Band Equalizer
• SiriusXM Satellite Radio Ready
• Pioneer Smart Sync

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

Free or discounted install kits when available.

found car based on your search
Fits your A4
2
List price $280.00
-11% $249.99

In stock

Limited time!

Sony XAV-AX3200

6.95" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, WebLink, Apple CarPlay, and Android Auto (SiriusXM Ready)

XAV-AX3200 big
Go to item page Right Arrow Icon of Right Arrow

6.95" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, WebLink, Apple CarPlay, and Android Auto (SiriusXM Ready)

• Double DIN Bluetooth Digital Multimedia Receiver
• 6.95" TFT Active Matrix Display
• Apple CarPlay and Android Auto Compatible
• Mirror Android or iOS device via WebLink Cast
• 3 sets of 2 volts preamp outputs
• 10-Band Graphic Equalizer
• SiriusXM Satellite Radio Ready

FREE Backup Camera at Checkout! Shop deal
shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Install kits available for this stereo

found car based on your search
Fits your A4
14
List price $399.99
Save $101.99
-25% $298.00

In stock

• Double DIN Bluetooth Digital Multimedia Receiver
• 6.95" TFT Active Matrix Display
• Apple CarPlay and Android Auto Compatible
• Mirror Android or iOS device via WebLink Cast
• 3 sets of 2 volts preamp outputs
• 10-Band Graphic Equalizer
• SiriusXM Satellite Radio Ready

Limited time!

JBL Stadium 62CF (JBLSPKSD62CFAM)

660W Peak (220W RMS) 6.5" Stadium Series 2-Way Component 3-ohm Speaker System

Stadium 62CF big
Go to item page Right Arrow Icon of Right Arrow

660W Peak (220W RMS) 6.5" Stadium Series 2-Way Component 3-ohm Speaker System

• 330 watts Peak Each, 110 watts RMS Each
• 3/4" Aluminum Edge Driven Dome Tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

Free Speaker Accessory Kit at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $45.00 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
2
List price $479.95
-6% $449.95 /set

In stock

Kenwood DPX505BT

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

DPX505BT big
Go to item page Right Arrow Icon of Right Arrow

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

• Double DIN Bluetooth CD Digital Multimedia Receiver with USB and AUX
• LCD Text Display
• iPhone and Android Compatible
• 3 sets of 2.5 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 $17.90 in rewards to spend later

install icon

Save $49.97 on install kits for this stereo

found car based on your search
Fits your A4
18
List price $230.00
-22% $179.00

In stock

DS18 OEMADAPT6.5

Universal 6.5" Speaker Mounting Adapters

OEMADAPT6.5 big
Go to item page Right Arrow Icon of Right Arrow

Universal 6.5" Speaker Mounting Adapters

• Universal speaker mounting adapters
• Designed to install 6.5" aftermarket speakers
• OEM-grade fitment with pre-drilled mounting points
• 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 A4
  • Front Door 6.5" Full-Range
  • Rear Door 6.5" Full-Range
$12.95

In stock

• Universal speaker mounting adapters
• Designed to install 6.5" aftermarket speakers
• OEM-grade fitment with pre-drilled mounting points
• Includes (2) speaker adapter plates

NVX VSP65KIT

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

VSP65KIT big
Go to item page Right Arrow Icon of Right Arrow

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

• 375 watts Peak Each, 125 watts RMS Each
• 1" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB
• Mounting Depth: 2.51"

2+ offers available
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

Save $19 on install kits for this speaker

found car based on your search
Fits multiple locations in your A4
84
List price $143.99
-17% $119.99 /set

In stock

Continue to cart

Available Offers (2) for NVX VSP65KIT
Offer image
Dads & Grads Sale! Save 15% at Checkout!
List price $143.99
-17% $119.99
$101.99 with coupon | Price details
2026-06-30 23:59:00
Free Speaker Accessory at Checkout!
Used from: $79.99 Like New from: $94.99

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

    2014 Audi A5

    2001 Toyota Corolla

    2025 Genesis G70

    2005 Lexus GS300

    2021 Jeep Compass

    1997 Lexus SC300

    2017 Audi A7 Quattro

    2002 Suzuki Vitara

    2015 Nissan Versa

    1978 Dodge Magnum

    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.