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DS18 EXL-SQ6.5

800W Peak (240W RMS) 6.5" EXL Series 2-way 3-ohm Coaxial Car Speakers

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Shop all 2001 Audi A4 Quattro Car Audio, Speakers, & Electronics

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NVX VSPTW

450W Peak (150W RMS) 1" V-Series Silk Dome Tweeters with External Crossovers

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450W Peak (150W RMS) 1" V-Series Silk Dome Tweeters with External Crossovers

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

2+ offers available
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Install kits available for most vehicles

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Fits multiple locations in your A4 Quattro
  • Rear Door
  • Upper Front Door
29
List price $59.99
-17% $49.99 /pair

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Available Offers (2) for NVX VSPTW
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List price $59.99
-17% $49.99
$37.49 with coupon | Price details
2026-06-28 23:59:00
Purchase $400 or More of NVX and Save 15%!
2026-07-27 11:08:20

NVX XBAF65

Universal 6.5" Waterproof Silicone Rubber Speaker Baffle Ring Kit (Pack of 2)

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Universal 6.5" Waterproof Silicone Rubber Speaker Baffle Ring Kit (Pack of 2)

• 6.5" Self-Adhesive Foam Speaker Baffle Ring Kit
• Waterproof foldable silicone baffles with egg crate foam
• Foldable rings allow for perfect fitment at varying depths
• Designed for use with 6.5" speakers
• Pack of 2

2+ offers available
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117
List price $34.99
-37% $21.99

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Available Offers (2) for NVX XBAF65
Free Baffles with Select Speakers
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JBL Club 622

360W Peak (120W RMS) 6.5" Club Series 2-way Coaxial 3-ohm Speakers

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360W Peak (120W RMS) 6.5" Club Series 2-way Coaxial 3-ohm Speakers

• 180 watts Peak Each, 60 watts RMS Each
• Silk Edge Driven Dome tweeters with 0dB or -3dB adjustable output levels
• UV-Resistant Polypropylene cone material with Plus One woofer cone architecture
• Impedance: 3 ohm
• Sensitivity: 93 dB

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Install kits available for most vehicles

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5
List price $139.95
Save $40.00
-29% $99.95 /pair

In stock.

Limited time!

AudioControl PNW-65CS2

250W Peak (200W RMS) 6.5″ PNW Series 2 Way Component 3-ohm Speakers

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250W Peak (200W RMS) 6.5″ PNW Series 2 Way Component 3-ohm Speakers

• 125 watts Peak Each, 100 watts RMS Each
• 3/4" rear-dampened Hybrid Silk Dome tweeters
• Rigid Poly Mica cone material
• Impedance: 3 ohm
• Sensitivity: 88.8 dB

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Install kits available for most vehicles

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4
List price $339.00
-6% $319.00 /set

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NVX NSP65

540W Peak (180W RMS) 6.5" N-Series 2 Way Coaxial Car Speakers

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540W Peak (180W RMS) 6.5" N-Series 2 Way Coaxial Car Speakers

• 270 watts Peak Each, 90 watts RMS Each
• 3/4" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB
• Mounting Depth: 2.40"

3+ offers available
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Install kits available for most vehicles

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93
List price $107.99
-35% $69.99 /pair

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Available Offers (3) for NVX NSP65
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Prime Time! Save 25% at Checkout!
List price $107.99
-35% $69.99
$52.49 with coupon | Price details
2026-06-28 23:59:00
Free Speaker Accessory at Checkout!
Purchase $400 or More of NVX and Save 15%!
2026-07-27 11:08:20
Used from: $54.99 Like New from: $54.99

Alpine SXE-1726S

440W Peak (80W RMS) 6.5" SXE Series 2-way 4-ohm Coaxial Car Speakers

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440W Peak (80W RMS) 6.5" SXE Series 2-way 4-ohm Coaxial Car Speakers

• 220 watts Peak Each, 40 watts RMS Each
• 1" Carbon Graphite Dome tweeters
• Nano Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

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Install kits available for most vehicles

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13
List price $54.99
-22% $42.99 /pair

In stock

Used from: $38.69
Limited time!

Infinity Reference REF6532IXAM

360W Peak (120W RMS) 6.5" Reference Series 2 Way Coaxial 3-ohm Speakers

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360W Peak (120W RMS) 6.5" Reference Series 2 Way Coaxial 3-ohm Speakers

• 180 watts Peak Each, 60 watts RMS Each
• Textile Edge Driven Dome tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

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Install kits available for most vehicles

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3
List price $149.95
-20% $119.95 /pair

In stock.

JBL Club 620F (SPKCB620FAM)

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

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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

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Install kits available for most vehicles

additional information required
Fits select locations in your A4 Quattro.
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2
List price $129.95
-38% $79.95 /pair

In stock.

NVX FRING65

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

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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

2+ offers available
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List price $19.99
-10% $17.99

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Purchase $400 or More of NVX and Save 15%!
2026-07-27 11:08:20
Used from: $10.49 Like New from: $15.29

AudioControl PNW1

125W RMS 1" PNW Series Component Car Tweeters

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125W RMS 1" PNW Series Component Car Tweeters

• 1" PNW Series Dome Tweeters
• 125 watts RMS Each
• 3 ohm Impedance

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Install kits available for most vehicles

found car based on your search
Fits multiple locations in your A4 Quattro
  • Rear Door
  • Upper Front Door
3
List price $149.00
-13% $129.00 /pair

In stock

Only 3 Left!

• 1" PNW Series Dome Tweeters
• 125 watts RMS Each
• 3 ohm Impedance

GROM Audio AUDU3 (GROM-USB3-AUD)

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

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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

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$174.99

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Metra 40-VW10 Antenna Adapter

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

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

• Factory Antenna to Aftermarket Radio Adapter
• Compatible with select 1973-2025 vehicles from Audi, Mercedes-Benz, Volkswagen Vehicles
• Factory antenna with flat plug to aftermarket radio
• A capacitor is included to match the impedance

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List price $11.99
-33% $7.99

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• Factory Antenna to Aftermarket Radio Adapter
• Compatible with select 1973-2025 vehicles from Audi, Mercedes-Benz, Volkswagen Vehicles
• Factory antenna with flat plug to aftermarket radio
• A capacitor is included to match the impedance

Metra 86-9001

1998-2006 Volkswagen/Audi/Mercedes Radio Removal Tool

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1998-2006 Volkswagen/Audi/Mercedes Radio Removal Tool

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

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List price $23.99
-13% $20.99

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Only 3 Left!

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

Hertz C165

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

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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

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Install kits available for most vehicles

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4
List price $230.00
-13% $199.99 /pair

In stock

Limited time!

NVX XBAF65 6.5" Premium Speaker Installation 2-Pair Kit

2 Piece 6.5" or 6.75" Weatherproof Silicone Rubber Speaker Baffle Kit + Premium Sound Damping + Five Piece Installer's Panel Removal Installation Tool Kit w/ Sound Deadening

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2 Piece 6.5" or 6.75" Weatherproof Silicone Rubber Speaker Baffle Kit + Premium Sound Damping + Five Piece Installer's Panel Removal Installation Tool Kit w/ Sound Deadening

• Acoustically seals speakers for better sound performance
• Prevents front and rear wave cancellation
• Reduces panels vibrations
• Foldable design allows for varying depths

Purchase $400 or More of NVX and Save 15%!
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Fits your A4 Quattro
257
List price $141.44
-38% $88.14

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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
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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

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found car based on your search
Fits your A4 Quattro
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

DS18 OEMADAPT6.5

Universal 6.5" Speaker Mounting Adapters

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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

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This speaker adapter fits your A4 Quattro
  • Lower 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

Limited time!

NVX Audio Upgrade Kit – QB10SPA with 2 Pair 6.5" Speakers

1200W MAX (350W RMS) Single 10" Amplified Ported Sub Enclosure w/ Remote Bass Knob, 2 Pair 6.5" Coaxial Speakers, Amp Kit, Sound Damping, and Roller

QB10SPA_65_X2_STG1VKIT big
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1200W MAX (350W RMS) Single 10" Amplified Ported Sub Enclosure w/ Remote Bass Knob, 2 Pair 6.5" Coaxial Speakers, Amp Kit, Sound Damping, and Roller

• 10" Amplified Loaded Subwoofer System
• 350 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control
• Includes 6.5(2) Co-axial Speaker and Damping Kits

Purchase $400 or More of NVX and Save 15%!
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250
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-42% $311.43

In stock

• 10" Amplified Loaded Subwoofer System
• 350 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control
• Includes 6.5(2) Co-axial Speaker and Damping Kits

Limited time!

Rockford Fosgate Punch P1 P1650

220W Peak (110W RMS) 6.5" Punch P1 Series 2 Way Coaxial 4-ohm Speakers

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220W Peak (110W RMS) 6.5" Punch P1 Series 2 Way Coaxial 4-ohm Speakers

• 110 watts Peak Each, 55 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome tweeters
• Mineral-Filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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Install kits available for most vehicles

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Fits select locations in your A4 Quattro.
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61
$109.99 /pair

In stock

Used from: $93.49

Hertz C165F

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

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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

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Install kits available for most vehicles

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Fits select locations in your A4 Quattro.
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List price $230.00
-13% $199.99 /pair

In stock

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