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Limited time!

NVX NSP4 - Open Box, Great

300W Peak (100W RMS) 4" N-Series 2-Way Coaxial Car Speakers with 20mm Silk Dome Tweeters

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300W Peak (100W RMS) 4" N-Series 2-Way Coaxial Car Speakers with 20mm Silk Dome Tweeters

• 150 watts Peak Each, 50 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB
• Mounting Depth: 1.88"

10% Off Open Box!
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Install kits available for most vehicles

found car based on your search
Fits multiple locations in your 90
  • Dash Corner
  • Front Door
3
List price $49.99
-44% $27.99 /pair
$25.19 with coupon | Price details

In stock

Only 2 Left!

Limited time!

Alpine S2-S65C (Open Box, Great)

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

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480W Peak (160W RMS) 6.5" S-Series Hi-Res 2-Way Component 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

10% Off Open Box!
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Install kits available for most vehicles

found car based on your search
Fits the following location in your 90
  • Rear Deck Corner
List price $220.00
-43% $125.96 /set
$113.36 with coupon | Price details

In stock

Only 1 Left!

• 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

Limited time!

NVX NSP65KIT - Open Box, Great

600W Peak (200W RMS) 6.5" N-Series 2-Way Component Speaker System with 20mm Silk Dome Tweeters

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600W Peak (200W RMS) 6.5" N-Series 2-Way Component Speaker System with 20mm Silk Dome Tweeters

• 300 watts Peak Each, 100 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

10% Off Open Box!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
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Install kits available for most vehicles

found car based on your search
Fits the following location in your 90
  • Rear Deck Corner
List price $95.99
-42% $55.99 /set
$50.39 with coupon | Price details

In stock

Only 2 Left!

Alpine S2-S65 with Sound Damping

480W Peak (160W RMS) 6.5" S-Series 2-way Coaxial Car Speakers + NVX SDSK2 Sound Damping

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480W Peak (160W RMS) 6.5" S-Series 2-way Coaxial Car Speakers + NVX SDSK2 Sound Damping

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

Save 15% Off Package Deals at Checkout!
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found car based on your search
Fits your 90
51
List price $198.74
-17% $164.94

In stock

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

Limited time!

JBL Stage3 427F (STAGE3427FAM) (Open Box, Great)

300W Peak (60W RMS) 4" Stage3 Series 2-way Coaxial 3-ohm Speakers

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300W Peak (60W RMS) 4" Stage3 Series 2-way Coaxial 3-ohm Speakers

• 150 watts Peak Each, 30 watts RMS Each
• Edge-driven Dome tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 90 dB

10% Off Open Box!
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Install kits available for most vehicles

found car based on your search
Fits multiple locations in your 90
  • Dash Corner
  • Front Door
List price $89.95
-46% $48.97 /pair
$44.07 with coupon | Price details

In stock

Only 1 Left!

Limited time!

Rockford Fosgate Prime R165X3 (Open Box, Great)

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

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

10% Off Open Box!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
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Install kits available for most vehicles

found car based on your search
Fits the following location in your 90
  • Rear Deck Corner
2
List price $99.99
-51% $48.99 /pair
$44.09 with coupon | Price details

In stock

• 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

Limited time!

Rockford Fosgate PRIME R165-S (Open Box, Great)

160W Peak (80W RMS) 6.5" Prime Series 2-way 4-ohm Component Speaker System

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160W Peak (80W RMS) 6.5" Prime Series 2-way 4-ohm Component Speaker System

• 80 watts Peak Each, 40 watts RMS Each
• 1/2" Mylar Balanced Dome tweeters
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

10% Off Open Box!
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Install kits available for most vehicles

found car based on your search
Fits the following location in your 90
  • Rear Deck Corner
List price $79.99
-30% $55.99 /set
$50.39 with coupon | Price details

In stock

Only 1 Left!

Limited time!

NVX VPRO65HS (Sold Individually) (Open Box, Great)

350W Peak (175W RMS) 6.5" V-Series Pro Shallow 2-Way Coaxial Loudspeaker with Horn Tweeter

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350W Peak (175W RMS) 6.5" V-Series Pro Shallow 2-Way Coaxial Loudspeaker with Horn Tweeter

• 175 watts RMS
• 1" Aluminum Dome Horn Tweeter
• Competition Grade Paper cone material
• Impedance: 4 ohm
• Sensitivity: 97 dB

10% Off Open Box!
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Install kits available for most vehicles

found car based on your search
Fits the following location in your 90
  • Rear Deck Corner
1
List price $95.99
-53% $45.49
$40.94 with coupon | Price details

In stock

Limited time!

NVX VSP4 - Open Box, Great

450W Peak (150W RMS) 4" V-Series 2-Way Coaxial Car Speakers with Silk Dome Tweeters

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450W Peak (150W RMS) 4" V-Series 2-Way Coaxial Car Speakers with Silk Dome Tweeters

• 225 watts Peak Each, 75 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB
• Mounting Depth: 2.04"

10% Off Open Box!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
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Install kits available for most vehicles

found car based on your search
Fits multiple locations in your 90
  • Dash Corner
  • Front Door
1
List price $71.99
-47% $38.49 /pair
$34.64 with coupon | Price details

In stock

Only 2 Left!

Limited time!

Rockford Fosgate Prime R14X2 (Open Box, Great)

120W Peak (60W RMS) 4” Prime Series 2-way 4-ohm Coaxial Car Speaker

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120W Peak (60W RMS) 4” Prime Series 2-way 4-ohm Coaxial Car Speaker

• 60 watts Peak Each, 30 watts RMS Each
• 1/2" Silk Dome tweeters
• Vacuum polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 85 dB

10% Off Open Box!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
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Install kits available for most vehicles

found car based on your search
Fits multiple locations in your 90
  • Dash Corner
  • Front Door
List price $59.99
-30% $41.99 /pair
$37.79 with coupon | Price details

In stock

Only 1 Left!

• 60 watts Peak Each, 30 watts RMS Each
• 1/2" Silk Dome tweeters
• Vacuum polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 85 dB

Hertz CPK 165 + FREE $200 Gift Card

160W RMS 6.5" Cento Series 2-Way Component Speaker System

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160W RMS 6.5" Cento Series 2-Way Component Speaker System

• 160 Watts Max Each, 55 Watts RMS Each
•Pressed-paper cone cone material
• Tetolon Tweeter dome
• 4 Ohm Impedance
• Sensitivity: 92.5 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your 90
  • Rear Deck Corner
2
List price $800.00
-38% $499.99 /set

In stock

• 160 Watts Max Each, 55 Watts RMS Each
•Pressed-paper cone cone material
• Tetolon Tweeter dome
• 4 Ohm Impedance
• Sensitivity: 92.5 dB

Cerwin-Vega XED650C (2-Pairs, 4-Total)

1200W Peak (140W RMS) 6.5" XED Series 2-Way Component Speaker System (2-Pairs)

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1200W Peak (140W RMS) 6.5" XED Series 2-Way Component Speaker System (2-Pairs)

• 300 watts Peak Each, 35 watts RMS Each
• 1/2" Metallic Balanced Dome Tweeters
• Curvilinear polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

Save 15% Off Package Deals at Checkout!
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found car based on your search
Fits your 90
28
List price $155.98
-17% $129.98

In stock

• 300 watts Peak Each, 35 watts RMS Each
• 1/2" Metallic Balanced Dome Tweeters
• Curvilinear polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

Limited time!

NVX XSP652 (Open Box, Great)

600W Peak (200W RMS) 6.5" X-Series 2-Way Coaxial Speakers with Carbon Fiber Cones and 25mm Silk Dome Tweeters

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600W Peak (200W RMS) 6.5" X-Series 2-Way Coaxial Speakers with Carbon Fiber Cones and 25mm Silk Dome Tweeters

• 300 watts Max Each, 100 watts RMS Each
• 1" Silk Dome Tweeters
• Lightweight Carbon Fiber cone
• Impedance: 4 ohm
• Sensitivity: 92 dB
• Mounting Depth: 2.52"

10% Off Open Box!
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Install kits available for most vehicles

found car based on your search
Fits the following location in your 90
  • Rear Deck Corner
2
List price $143.99
-35% $93.73 /pair
$84.36 with coupon | Price details

In stock

Only 3 Left!

Limited time!

JBL Stage2 634 (STAGE2634) (Open Box, Great)

500W Peak (80W RMS) 6.5" Stage2 Series 3 Way Coaxial 4-ohm Speakers

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500W Peak (80W RMS) 6.5" Stage2 Series 3 Way Coaxial 4-ohm Speakers

• 250 watts Peak Each, 40 watts RMS Each
• PEI (Polyetherimide) Balanced Dome tweeters
• Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

10% Off Open Box!
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Install kits available for most vehicles

found car based on your search
Fits the following location in your 90
  • Rear Deck Corner
List price $99.99
-51% $48.97 /pair
$44.07 with coupon | Price details

In stock

Only 2 Left!

Limited time!

JBL Stage1 621 (STAGE1621) (Like New (Open Box))

350W Peak (70W RMS) 6.5" Stage1 Series 2-way 4-ohm Coaxial Car Speakers

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350W Peak (70W RMS) 6.5" Stage1 Series 2-way 4-ohm Coaxial Car Speakers

• 175 watts Peak Each, 35 watts RMS Each
• Mylar Balanced Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

10% Off Open Box!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
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Install kits available for most vehicles

found car based on your search
Fits the following location in your 90
  • Rear Deck Corner
List price $99.99
-66% $33.96 /pair
$30.56 with coupon | Price details

In stock

Only 1 Left!

• 175 watts Peak Each, 35 watts RMS Each
• Mylar Balanced Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

Limited time!

JBL Club 620F (SPKCB620FAM) (Open Box, Great)

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

10% Off Open Box!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
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Install kits available for most vehicles

found car based on your search
Fits the following location in your 90
  • Rear Deck Corner
1
List price $129.95
-57% $55.97 /pair
$50.37 with coupon | Price details

In stock

Only 3 Left!

• 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

Alpine S2-S40C with Sound Damping

280W Peak (90W RMS) 4" Next-Generation S-Series 2-way Component Speaker System + NVX SDSK2 Sound Damping

S2S40C_SDSK2 big
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280W Peak (90W RMS) 4" Next-Generation S-Series 2-way Component Speaker System + NVX SDSK2 Sound Damping

• 140 watts Peak Each, 45 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 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 90
47
List price $198.74
-25% $149.95

In stock

• 140 watts Peak Each, 45 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

Limited time!

DS18 PRO-X6.4BM (Sold Individually) (Open Box, Great)

500W Peak (250W RMS) 6.5” PRO-X Series 4-ohm Mid-Range Loudspeaker

PRO-X6.4BM big
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500W Peak (250W RMS) 6.5” PRO-X Series 4-ohm Mid-Range Loudspeaker

• 500 watts Peak Each, 250 watts RMS Each
• Red Aluminum Bullet tweeters
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

10% Off Open Box!
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Install kits available for most vehicles

found car based on your search
Fits the following location in your 90
  • Rear Deck Corner
List price $52.95
-30% $37.07
$33.36 with coupon | Price details

In stock

Only 1 Left!

• 500 watts Peak Each, 250 watts RMS Each
• Red Aluminum Bullet tweeters
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

Limited time!

Rockford Fosgate Prime R165X3 (Open Box, Good)

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

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

10% Off Open Box!
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 the following location in your 90
  • Rear Deck Corner
List price $99.99
-50% $49.99 /pair
$44.99 with coupon | Price details

In stock

Only 1 Left!

• 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

NVX 6.5" Coaxial + 6.5" Component Front and Rear Speaker Upgrade

Package includes 1 pair 6.5" Component + 1 pair 6.5" Coaxial

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Package includes 1 pair 6.5" Component + 1 pair 6.5" Coaxial

• Includes NVX V-Series Coaxial Speakers and Component System
• NVX VSP65KIT 6.5" Component System
• Peak Power: 140W
• RMS Power: 70W
• NVX VSP65 6.5" Coaxial Speakers
• Peak Power: 200W
• RMS Power: 100W

shipping truck icon Free shipping in USA. Provide zip for delivery date.
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Install kits available for most vehicles

found car based on your search
Fits the following location in your 90
  • Rear Deck Corner
152
List price $259.98
-20% $208.98

In stock

• Includes NVX V-Series Coaxial Speakers and Component System
• NVX VSP65KIT 6.5" Component System
• Peak Power: 140W
• RMS Power: 70W
• NVX VSP65 6.5" Coaxial Speakers
• Peak Power: 200W
• RMS Power: 100W

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    FAQ for Speakers in 1990 90

    Q: Can I upgrade or change the Speakers in 1990 Audi 90?

    A: Yes this page includes all the best Speakers that work in your 90.

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

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    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.