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DS18 6XL650N-4 (Sold Individually)

650W Peak (325W RMS) 6.5" XL Series Midrange 4-ohm Loudspeaker

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650W Peak (325W RMS) 6.5" XL Series Midrange 4-ohm Loudspeaker

• 650 watts Peak, 325 watts RMS
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 98.5 dB

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Install kits available for most vehicles

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List price $244.99
-17% $203.95

In stock.

Limited time!

DS18 ZXI-62C

480W Peak (240W RMS) 6.5" ZXI Series 2-way 4-ohm Component Speaker System

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480W Peak (240W RMS) 6.5" ZXI Series 2-way 4-ohm Component Speaker System

• 240 watts Peak Each, 120 watts RMS Each
• 1.25" Silk Dome tweeters
• Glass Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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Install kits available for most vehicles

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$167.95 /set

In stock

Limited time!

DS18 ZXI-654

480W Peak (160W RMS) 6.5" ZXI Series 2-way 4-ohm Coaxial Car Speakers

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480W Peak (160W RMS) 6.5" ZXI Series 2-way 4-ohm Coaxial Car Speakers

• 240 watts Peak Each, 80 watts RMS Each
• 1" PEI (Polyetherimide) tweeters with neodymium magnets
• Glass Fiber cone material with KSV former
• Impedance: 4 ohm
• Sensitivity: 89 dB

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Install kits available for most vehicles

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$94.95 /pair

In stock

Limited time!

DS18 PRO-CF6.2NR (Sold Individually)

500W Peak (250W RMS) 6.5” PRO-M Series 2-ohm Water Resistant Mid-Bass Loudspeaker 

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500W Peak (250W RMS) 6.5” PRO-M Series 2-ohm Water Resistant Mid-Bass Loudspeaker 

• 500 watts Peak Each, 250 watts RMS Each
• Water Resistant Carbon Fiber cone material
• Impedance: 2 ohm
• Sensitivity: 95 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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1
$215.95

In stock

DS18 6XL650N-8 (Sold Indivually)

650W Peak (325W RMS) 6.5" XL Series 8-ohm Mid-Range Speaker

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650W Peak (325W RMS) 6.5" XL Series 8-ohm Mid-Range Speaker

• 650 watts Peak Each, 325 watts RMS Each
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 98.5 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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$203.95

In stock.

Limited time!

DS18 EXL-SQ6.5

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

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

• 400 watts Peak Each, 120 watts RMS Each
• 1.14" PEI (Polyetherimide) Dome tweeters with neodymium magnets
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 90 dB

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Install kits available for most vehicles

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3
$179.95 /pair

In stock

Only 2 Left!

DS18 PRO-CF6.4

600W Peak (300W RMS) 6.5" PRO Series Midrange 4-ohm Motorcycle and Powersports Loudspeaker

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600W Peak (300W RMS) 6.5" PRO Series Midrange 4-ohm Motorcycle and Powersports Loudspeaker

• 600 watts Peak, 300 watts RMS
• Water Resistant Carbon Fiber
• 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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$149.95

In stock

• 600 watts Peak, 300 watts RMS
• Water Resistant Carbon Fiber
• Impedance: 4 ohm
• Sensitivity: 93 dB

Limited time!

DS18 G6.5XC

300W Peak (100W RMS) 6.5" Gen-X Series 2-Way 4-ohm Component Speaker System

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300W Peak (100W RMS) 6.5" Gen-X Series 2-Way 4-ohm Component Speaker System

• 150 watts Peak Each, 50 watts RMS Each
• 1" Silk Dome Tweeters
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB

Free Speaker Accessory at Checkout!
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Install kits available for most vehicles

additional information required
Fits select locations in your A4 Quattro.
Add vehicle details to confirm exact location.
List price $136.99
-17% $113.95

In stock

Limited time!

DS18 PRO-X6M (Sold Individually)

450W Peak (225W RMS) 6.5” PRO-X Series Pro Audio Mid-Range 8-ohm Loudspeaker

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450W Peak (225W RMS) 6.5” PRO-X Series Pro Audio Mid-Range 8-ohm Loudspeaker

• 450 watts Peak Each, 225 watts RMS Each
• Non-Pressed Paper cone material
• Impedance: 8 ohm
• Sensitivity: 92 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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$45.95

In stock

DS18 EXL-SQ6.5 (2-Pairs, 4-Total)

1600W Peak (480W RMS) 6.5" EXL Series 2-Way Coaxial Speakers (2-Pairs)

EXLSQ65_2 big
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1600W Peak (480W RMS) 6.5" EXL Series 2-Way Coaxial Speakers (2-Pairs)

• 400 watts Max Each, 120 watts RMS Each
• 1.14" PEI (Polyetherimide) Dome Tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 90 dB
• Mounting Depth: 2.55"

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additional information required
Fits select locations in your A4 Quattro.
Add vehicle details to confirm exact location.
3
$359.90

In stock

Only 1 Left!

• 400 watts Max Each, 120 watts RMS Each
• 1.14" PEI (Polyetherimide) Dome Tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 90 dB
• Mounting Depth: 2.55"

DS18 PRO-SM6.4 (Sold Individually)

400W Peak (200W RMS) 6.5" PRO Series Shallow Midrange 4-ohm Car and Motorcycle Loudspeaker

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400W Peak (200W RMS) 6.5" PRO Series Shallow Midrange 4-ohm Car and Motorcycle Loudspeaker

• 400 watts Peak, 200 watts RMS
• Water-Resistant Paper cone and dust cap
• Impedance: 4 ohm
• Sensitivity: 95 dB

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Install kits available for most vehicles

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Fits select locations in your A4 Quattro.
Add vehicle details to confirm exact location.
$64.95

In stock.

• 400 watts Peak, 200 watts RMS
• Water-Resistant Paper cone and dust cap
• Impedance: 4 ohm
• Sensitivity: 95 dB

DS18 6PRO300MB-8 (Sold Individually)

300W Peak (150W RMS) 6.5" 6PRO Series 8-ohm Mid-bass Speaker

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300W Peak (150W RMS) 6.5" 6PRO Series 8-ohm Mid-bass Speaker

• 300 watts Peak Each, 150 watts RMS Each
• Paper cone material
• Impedance: 8 ohm
• Sensitivity: 96 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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$59.95

In stock.

DS18 PRO-X6.4MSQ (Sold Individually)

500W Peak (250W RMS) 6.5"x6.5" PRO-X Series 4-ohm Square Midrange Loudspeaker

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500W Peak (250W RMS) 6.5"x6.5" PRO-X Series 4-ohm Square Midrange Loudspeaker

• 500 watts Peak Each, 250 watts RMS Each
• Square midrange construction
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 95 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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$59.95

In stock.

Limited time!

DS18 PRO-CF6.4SLN (Sold Individually)

300W Peak (150W RMS) 6.5" PRO Series Shallow Midrange 4-ohm Motorcycle and Powersports Loudspeaker

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300W Peak (150W RMS) 6.5" PRO Series Shallow Midrange 4-ohm Motorcycle and Powersports Loudspeaker

• 300 watts Peak, 150 watts RMS
• Water Resistant Carbon Fiber
• Impedance: 4 ohm
• Sensitivity: 93 dB

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Install kits available for most vehicles

additional information required
Fits select locations in your A4 Quattro.
Add vehicle details to confirm exact location.
$174.95

In stock

Only 2 Left!

• 300 watts Peak, 150 watts RMS
• Water Resistant Carbon Fiber
• Impedance: 4 ohm
• Sensitivity: 93 dB

DS18 6OCT300-8 (Sold Individually)

600W Peak (300W RMS) 6.5" Octagonal Series 8-ohm Mid-range Speaker

6OCT300-8 big
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600W Peak (300W RMS) 6.5" Octagonal Series 8-ohm Mid-range Speaker

• 600 watts Peak Each, 300 watts RMS Each
• Paper cone material
• Impedance: 8 ohm
• Sensitivity: 95 dB

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Install kits available for most vehicles

additional information required
Fits select locations in your A4 Quattro.
Add vehicle details to confirm exact location.
$89.95

In stock.

Limited time!

DS18 PRO-CF6.2SLN (Sold Individually)

300W Peak (150W RMS) 6.5" Pro Audio Midrange 2-ohm Shallow Motorcycle and Powersports Loudspeaker

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300W Peak (150W RMS) 6.5" Pro Audio Midrange 2-ohm Shallow Motorcycle and Powersports Loudspeaker

• 300 watts Peak, 150 watts RMS
• Water Resistant Carbon Fiber
• Impedance: 2 ohm
• Sensitivity: 93 dB

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VIP Product Get $17.50 in rewards to spend later

install icon

Install kits available for most vehicles

additional information required
Fits select locations in your A4 Quattro.
Add vehicle details to confirm exact location.
$174.95

In stock

Only 2 Left!

• 300 watts Peak, 150 watts RMS
• Water Resistant Carbon Fiber
• Impedance: 2 ohm
• Sensitivity: 93 dB

DS18 ZXI-62C (2-Pairs, 4-Total)

960W Peak (320W RMS) 6.5 ZXI Series 2-Way Component Speakers w/ Silk Dome Tweeters (2-Pairs)

ZXI62C_2 big
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960W Peak (320W RMS) 6.5 ZXI Series 2-Way Component Speakers w/ Silk Dome Tweeters (2-Pairs)

• 240 watts Peak Each, 80 watts RMS Each
• 1.25" Silk Dome Tweeters
• Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
additional information required
Fits select locations in your A4 Quattro.
Add vehicle details to confirm exact location.
$335.90

In stock

• 240 watts Peak Each, 80 watts RMS Each
• 1.25" Silk Dome Tweeters
• Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

DS18 PRO-X6M (Sold Individually) with Sound Damping

450W Peak (225W RMS) 6.5” PRO-X Series 8-ohm Mid-Range Loudspeaker + NVX SDBSK2 Premium Sound Damping

PROX6M_SDBSK2 big
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450W Peak (225W RMS) 6.5” PRO-X Series 8-ohm Mid-Range Loudspeaker + NVX SDBSK2 Premium Sound Damping

• 450 watts Peak Each, 225 watts RMS Each
• Non-Pressed Paper cone material
• Impedance: 8 ohm
• Sensitivity: 92 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
additional information required
Fits select locations in your A4 Quattro.
Add vehicle details to confirm exact location.
48
List price $64.69
-13% $56.44

In stock

• 450 watts Peak Each, 225 watts RMS Each
• Non-Pressed Paper cone material
• Impedance: 8 ohm
• Sensitivity: 92 dB

DS18 ZXI-62C with Speaker Installation Kit

Includes: 6.5” Component Speakers, 2 Piece Foam Speaker Ring Kit, Sound Damping Kit, Installer Panel Removal Tool Kit, Rubber Roller

ZXI-62C, FRING65, SDRLR1, SDSK2, BTK106 big
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Includes: 6.5” Component Speakers, 2 Piece Foam Speaker Ring Kit, Sound Damping Kit, Installer Panel Removal Tool Kit, Rubber Roller

• 160W RMS 6.5 ZXI Series Component Speakers w/ Silk Dome Tweeters
• 2 Piece Foam Speaker Ring Kit
• 1.38 Square Feet of Sound Damping
• Installer Panel Removal Tool Kit
• Rubber Roller

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Install kits available for most vehicles

additional information required
Fits select locations in your A4 Quattro.
Add vehicle details to confirm exact location.
183
List price $240.66
-13% $208.49

In stock

• 160W RMS 6.5 ZXI Series Component Speakers w/ Silk Dome Tweeters
• 2 Piece Foam Speaker Ring Kit
• 1.38 Square Feet of Sound Damping
• Installer Panel Removal Tool Kit
• Rubber Roller

DS18 ZXI-654 (2-Pairs, 4-Total)

960W Peak (320W RMS) 6.5" ZXI Series 2-Way Coaxial Speakers (2-Pairs)

ZXI654_2 big
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960W Peak (320W RMS) 6.5" ZXI Series 2-Way Coaxial Speakers (2-Pairs)

• 240 watts Peak Each, 80 watts RMS Each
• 1" PEI (Polyetherimide) Dome Tweeters
• Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
additional information required
Fits select locations in your A4 Quattro.
Add vehicle details to confirm exact location.
$189.90

In stock

Only 3 Left!

• 240 watts Peak Each, 80 watts RMS Each
• 1" PEI (Polyetherimide) Dome Tweeters
• Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

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    FAQ for Speakers in 2001 A4 Quattro

    Q: Can I upgrade or change the Speakers in 2001 Audi A4 Quattro?

    A: Yes this page includes all the best Speakers that work in your A4 Quattro.

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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

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