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JBL GX428 (2-Pairs, 4-Total)

420W Peak (140W RMS) 4" GX Series 2-way Coaxial Speakers (2-Pairs)

GX428AM_2 big
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420W Peak (140W RMS) 4" GX Series 2-way Coaxial Speakers (2-Pairs)

• 105 watts Peak Each, 35 watts RMS Each
• Soft Dome Tweeters
• Polypropylene cone material
• Impedance: 2.3 ohm
• Sensitivity: 90 dB

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Fits your 90
$129.90

Available

Ships in 10-14 days

• 105 watts Peak Each, 35 watts RMS Each
• Soft Dome Tweeters
• Polypropylene cone material
• Impedance: 2.3 ohm
• Sensitivity: 90 dB

DS18 PRO-GM6.4 (Pair)

960W Max (280W RMS) 6.5" 4-Ohm Mid-Range Car Audio Loudspeakers (Pair)

PROGM64_2 big
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960W Max (280W RMS) 6.5" 4-Ohm Mid-Range Car Audio Loudspeakers (Pair)

• 480 watts Peak Each, 140 watts RMS Each
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB
• Mounting Depth: 2.5"

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Fits your 90
2
List price $67.90
$65.86

In stock.

• 480 watts Peak Each, 140 watts RMS Each
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB
• Mounting Depth: 2.5"

Diamond Audio DMD42 with Sound Damping

120W Peak (60W RMS) 4" DMD Series 2-way Coaxial Car Speakers + NVX SDSK2 Sound Damping

DMD42_SDSK2 big
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120W Peak (60W RMS) 4" DMD Series 2-way Coaxial Car Speakers + NVX SDSK2 Sound Damping

• 60 watts Peak Each, 30 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 84 dB

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found car based on your search
Fits your 90
46
List price $138.73
-10% $124.98

In stock.

• 60 watts Peak Each, 30 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 84 dB

JL Audio C2650 - Open Box, Great

450W 6.5" 2-Way Evolution C2 Series Component Car Speakers System

C2-650 big
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450W 6.5" 2-Way Evolution C2 Series Component Car Speakers System

• Peak Power: 225 watts per channel
• RMS Power: 60 watts per channel
• 0.75" Silk Dome Tweeter
• Injection Molded, Mica-filled Polypropylene Cone
• 3-Position Adjustable Tweeter Level
• 4 Ohm Impedance
• Sensitivity: 91.0 dB @ 1 watt / 1 meter

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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
21
List price $329.99
-25% $247.49 /set

In stock

Diamond Audio DES365C with Sound Damping

280W Peak (140W RMS) 6.5" Elite Series 3-Way Component Speaker System + NVX SDSK2 Sound Damping

DES365C_SDSK2 big
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280W Peak (140W RMS) 6.5" Elite Series 3-Way Component Speaker System + NVX SDSK2 Sound Damping

• 140 watts Peak Each, 70 watts RMS Each
• 1" Aluminum Dome Tweeters
• Composite foam core carbon fiber cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

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Fits your 90
46
$564.98

In stock.

• 140 watts Peak Each, 70 watts RMS Each
• 1" Aluminum Dome Tweeters
• Composite foam core carbon fiber cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

Diamond Audio H65SH with Sound Damping

300W Peak (150W RMS) 6.5" HEX 2-Way Shallow Component Speakers + NVX SDSK2 Sound Damping

H65SH_SDSK2 big
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300W Peak (150W RMS) 6.5" HEX 2-Way Shallow Component Speakers + NVX SDSK2 Sound Damping

• 150 watts Max Each, 75 watts RMS Each
• 2" Neodymium tweeters available in silk or aluminum
• Hard anodized black aluminum cone
• Impedance: 4 ohm
• Sensitivity: 89 dB
• Mounting Depth: 1.3"

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Fits your 90
46
$764.98

In stock.

• 150 watts Max Each, 75 watts RMS Each
• 2" Neodymium tweeters available in silk or aluminum
• Hard anodized black aluminum cone
• Impedance: 4 ohm
• Sensitivity: 89 dB
• Mounting Depth: 1.3"

Diamond Audio MS65NEO with Sound Damping

300W Peak (150W RMS) 6.5" MS Series Midrange Coaxial Car Speakers + NVX SDSK2 Sound Damping

MS65NEO_SDSK2 big
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300W Peak (150W RMS) 6.5" MS Series Midrange Coaxial Car Speakers + NVX SDSK2 Sound Damping

• 300 watts Max Each, 150 watts RMS Each
• Tweeters
• Waterproof black Dupont Kevlar cone and dust cap
• Impedance: 4 ohm
• Sensitivity: 94 dB
• Mounting Depth: 2.78"

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found car based on your search
Fits your 90
47
$784.98

In stock.

• 300 watts Max Each, 150 watts RMS Each
• Tweeters
• Waterproof black Dupont Kevlar cone and dust cap
• Impedance: 4 ohm
• Sensitivity: 94 dB
• Mounting Depth: 2.78"

MB Quart QSE-216 with Sound Damping

720W Peak (340W RMS) 6.5" Q Series 2-way 4-ohm Component Speaker System + NVX SDBSK2 Premium Sound Damping

QSE216_SDBSK2 big
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720W Peak (340W RMS) 6.5" Q Series 2-way 4-ohm Component Speaker System + NVX SDBSK2 Premium Sound Damping

• 360 watts Peak Each, 170 watts RMS Each
• 1" Titanium Dome tweeters
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 85.5 dB

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found car based on your search
Fits your 90
46
List price $1218.73
-17% $1,014.98

In stock.

• 360 watts Peak Each, 170 watts RMS Each
• 1" Titanium Dome tweeters
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 85.5 dB

Infinity REF607CF with Sound Damping

540W Peak (180W RMS) 6.5" Reference Series 2-way 4-ohm Component Speaker System + NVX SDSK2 Sound Damping

REF607CF_SDSK2 big
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540W Peak (180W RMS) 6.5" Reference Series 2-way 4-ohm Component Speaker System + NVX SDSK2 Sound Damping

• 270 watts Peak Each, 90 watts RMS Each
• 3/4" Textile Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

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found car based on your search
Fits your 90
49
List price $268.69
-13% $234.94

In stock.

• 270 watts Peak Each, 90 watts RMS Each
• 3/4" Textile Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

Earthquake Sound FC6.2 with Installation Accessories

600W 6-1/2" 2-Way Component System with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

FC6.2, XBAF65, SDSK2, SDRLR1, BTK106 big
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600W 6-1/2" 2-Way Component System with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

• 6-1/2" 2-way Focus Series Component System
• Low Mass Poly Injection Woofer Cone
• 1" Silk Dome Tweeter
• NOMEX / ROMEX Spider Assemblies
• Speaker Grilles Included
• 4 ohm Impedance
• Separate Filters for Bass and Tweeter

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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
258
List price $293.71
-22% $229.52 /set

In stock.

• 6-1/2" 2-way Focus Series Component System
• Low Mass Poly Injection Woofer Cone
• 1" Silk Dome Tweeter
• NOMEX / ROMEX Spider Assemblies
• Speaker Grilles Included
• 4 ohm Impedance
• Separate Filters for Bass and Tweeter

Diamond Audio DES652 with Speaker Installation Kit

(120W RMS) 6.5" DES Series 2-Way Component Speaker System + 6.5" Speaker Baffles, Sound Dampening, Roller and Panel Removal Kit

DES652, XBAF65, SDSK2, SDRLR1, BTK106 big
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(120W RMS) 6.5" DES Series 2-Way Component Speaker System + 6.5" Speaker Baffles, Sound Dampening, Roller and Panel Removal Kit

• 120 watts Peak Each, 60 watts RMS Each
• 1" Aluminum Dome Tweeters
• Composite foam core carbon fiber cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

Save 15% Off Package Deals at Checkout!
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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
253
List price $307.70
-11% $273.52 /pair

Available

Ships in 10-14 days

• 120 watts Peak Each, 60 watts RMS Each
• 1" Aluminum Dome Tweeters
• Composite foam core carbon fiber cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

MB Quart QSE-216 (2-Pairs, 4-Total)

1440W Peak (680W RMS) 6.5" Q Series 2-way Component Speaker System (2-Pairs)

QSE216_2 big
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1440W Peak (680W RMS) 6.5" Q Series 2-way Component Speaker System (2-Pairs)

• 360 watts Peak Each, 170 watts RMS Each
• 1" Titanium Dome Tweeters
• Polypropylene-Mica cone material
• Impedance: 4 ohm
• Sensitivity: 85.5 dB

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found car based on your search
Fits your 90
List price $2399.98
-17% $1,999.98

In stock.

• 360 watts Peak Each, 170 watts RMS Each
• 1" Titanium Dome Tweeters
• Polypropylene-Mica cone material
• Impedance: 4 ohm
• Sensitivity: 85.5 dB

Diamond Audio HX653DI (2-Pairs, 4-Total)

600W Peak (300W RMS) 6.5" HEX Diamante Italia Series 3-Way Component Speaker System (2-Pairs)

HX653DI_2 big
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600W Peak (300W RMS) 6.5" HEX Diamante Italia Series 3-Way Component Speaker System (2-Pairs)

• 150 watts Peak Each, 75 watts RMS Each
• 1" Silk Dome Tweeters
• Composite Bronze Fiberglass cone material
• Impedance: 3.3 ohm
• Sensitivity: 88.3 dB

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Fits your 90
$2,639.98

In stock.

• 150 watts Peak Each, 75 watts RMS Each
• 1" Silk Dome Tweeters
• Composite Bronze Fiberglass cone material
• Impedance: 3.3 ohm
• Sensitivity: 88.3 dB

Hertz CK 165F with Sound Damping

270W Peak (90W RMS) 6.5" Cento Series 2-Way Flat-profile Component Speaker system + NVX SDSK2 Sound Damping

CK165F_SDSK2 big
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270W Peak (90W RMS) 6.5" Cento Series 2-Way Flat-profile Component Speaker system + NVX SDSK2 Sound Damping

• 135 Watts Max Each, 45 Watts RMS Each
•Semi Pressed Paper-Mica cone material
• Tetolon Tweeter dome
• 4 Ohm Impedance
• Sensitivity: 93 dB

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Fits your 90
46
List price $498.74
-17% $414.98

Available

Ships in 10-14 days

• 135 Watts Max Each, 45 Watts RMS Each
•Semi Pressed Paper-Mica cone material
• Tetolon Tweeter dome
• 4 Ohm Impedance
• Sensitivity: 93 dB

(2) DS18 PRO-NS6 with Speaker Accessories

300W RMS 6.5" 8-Ohm Midrange Speaker with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

(2)PRO-NS6, SDSK2, SDRLR1, BTK106 big
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300W RMS 6.5" 8-Ohm Midrange Speaker with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

• 300 watts Peak Each, 150 watts RMS Each
• Paper cone material
• Impedance: 8 ohm
• Sensitivity: 94 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
253
List price $231.61
-19% $187.43

In stock.

• 300 watts Peak Each, 150 watts RMS Each
• Paper cone material
• Impedance: 8 ohm
• Sensitivity: 94 dB

Diamond Audio H65A with Sound Damping

300W Peak (150W RMS) 6.5" HEX Series 2-Way Component Speaker System + NVX SDSK2 Sound Damping

H65A_SDSK2 big
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300W Peak (150W RMS) 6.5" HEX Series 2-Way Component Speaker System + NVX SDSK2 Sound Damping

• 150 watts Peak Each, 75 watts RMS Each
• 1" Silk Dome Tweeters
• Anodized Aluminum cone material
• Impedance: 4 ohm
• Sensitivity: 88.3 dB

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found car based on your search
Fits your 90
46
$784.98

In stock.

• 150 watts Peak Each, 75 watts RMS Each
• 1" Silk Dome Tweeters
• Anodized Aluminum cone material
• Impedance: 4 ohm
• Sensitivity: 88.3 dB

Rockford Fosgate Power T3652-S with Sound Damping

500W Peak (250W RMS) 6.5" T3 Power Series 2-way 4-ohm Component Speaker System + NVX SDBSK2 Premium Sound Damping

T3652S_SDBSK2 big
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500W Peak (250W RMS) 6.5" T3 Power Series 2-way 4-ohm Component Speaker System + NVX SDBSK2 Premium Sound Damping

• 250 watts Peak Each, 125 watts RMS Each
• 1" Silk Dome tweeters with neodymium motor
• Liquid Crystal Polymer (LCP) cone material
• Impedance: 4 ohm
• Sensitivity: 87.5 dB

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Fits your 90
53
List price $1318.73
$1,314.98

Available

Ships in 10-14 days

• 250 watts Peak Each, 125 watts RMS Each
• 1" Silk Dome tweeters with neodymium motor
• Liquid Crystal Polymer (LCP) cone material
• Impedance: 4 ohm
• Sensitivity: 87.5 dB

DS18 PRO-FR6NEO (Sold Individually) - Open Box, Great

450W Peak (225W RMS) 6.5” PRO-FR Series 4-ohm Full-Range Bullet Loudspeaker

PRO-FR6NEO big
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450W Peak (225W RMS) 6.5” PRO-FR Series 4-ohm Full-Range Bullet Loudspeaker

• Peak Each, RMS Each
• Tweeters
• cone material
• Impedance:
• Sensitivity:

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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 $143.95
-15% $122.36

In stock

• Peak Each, RMS Each
• Tweeters
• cone material
• Impedance:
• Sensitivity:

Diamond Audio DMD42 (2-Pairs, 4-Total)

240W Peak (120W RMS) 4" DMD Series 2-way Coaxial Car Speakers (2-Pairs)

DMD42_2 big
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240W Peak (120W RMS) 4" DMD Series 2-way Coaxial Car Speakers (2-Pairs)

• 60 watts Peak Each, 30 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 84 dB

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found car based on your search
Fits your 90
List price $239.98
-8% $219.98

In stock.

• 60 watts Peak Each, 30 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 84 dB

Diamond Audio DES652 (2-Pairs, 4-Total)

480W Peak (240W RMS) 6.5" Elite Series 2-Way Coaxial Car Speakers (2-Pairs)

DES652_2 big
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480W Peak (240W RMS) 6.5" Elite Series 2-Way Coaxial Car Speakers (2-Pairs)

• 120 watts Peak Each, 60 watts RMS Each
• 1" Aluminum Dome Tweeters
• Composite foam core carbon fiber cone material
• Impedance: 4 ohm
• Sensitivity: 87 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
$459.98

Available

Ships in 10-14 days

• 120 watts Peak Each, 60 watts RMS Each
• 1" Aluminum Dome Tweeters
• Composite foam core carbon fiber cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

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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.