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Sundown Audio E-5.25CX

200W RMS 5.25" E Series 2 Way Coaxial 4-ohm Speakers (S-E5.25CX)

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200W RMS 5.25" E Series 2 Way Coaxial 4-ohm Speakers (S-E5.25CX)

• 50 watts RMS Each
• Titanium Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm

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Install kits available for most vehicles

additional information required
Fits select locations in your Firebird.
Add vehicle details to confirm exact location.
List price $119.99
-17% $99.99 /pair

In stock

Only 1 Left!

Limited time!

Hertz CPK 690

720W Peak (240W RMS) 6x9" Cento Series 2-way 4-ohm Component Car Speakers

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720W Peak (240W RMS) 6x9" Cento Series 2-way 4-ohm Component Car Speakers

• 360 watts Peak Each, 120 watts RMS Each
• 1.14" Tetolon Dome tweeters
• Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your Firebird
  • Rear Seat Side Panel
1
List price $600.00
-17% $499.99 /set

In stock

AudioControl EPICPRO69X

600W Peak (400W RMS) 6x9" EPIC PRO Series Pro Audio Midrange 4-ohm Speakers

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600W Peak (400W RMS) 6x9" EPIC PRO Series Pro Audio Midrange 4-ohm Speakers

• 300 watts Peak Each, 200 watts RMS Each
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 94.2 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your Firebird
  • Rear Seat Side Panel
$159.00 /pair

In stock

Limited time!

MB Quart RS1-269

240W Peak (120W RMS) 6x9" Reference Series 2-Way 4-ohm Component Speaker System

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240W Peak (120W RMS) 6x9" Reference Series 2-Way 4-ohm Component Speaker System

• 120 watts Peak Each, 60 watts RMS Each
• 3/4" Titanium Dome tweeters
• Tunable waveguide tweeter housing
• Pulp-Bamboo Fiber cone material
• Tweeters constructed with WideSphere™ Technology
• Impedance: 4 ohm
• Sensitivity: 88 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your Firebird
  • Rear Seat Side Panel
1
List price $219.99
Save $120.00
-55% $99.99 /set

In stock

Only 3 Left!

• 120 watts Peak Each, 60 watts RMS Each
• 3/4" Titanium Dome tweeters
• Tunable waveguide tweeter housing
• Pulp-Bamboo Fiber cone material
• Tweeters constructed with WideSphere™ Technology
• Impedance: 4 ohm
• Sensitivity: 88 dB

Limited time!

Pioneer TS-D69F

660W Peak (220W RMS) 6x9” D Series 2 Way Coaxial 4-ohm Speakers

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660W Peak (220W RMS) 6x9” D Series 2 Way Coaxial 4-ohm Speakers

• 330 watts Peak Each, 110 watts RMS Each
• 1" Polyester Fiber Soft Dome tweeters
• Aramid fiber reinforced Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

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

found car based on your search
Fits the following location in your Firebird
  • Rear Seat Side Panel
2
List price $240.00
Save $104.00
-43% $136.00 /pair

In stock

Limited time!

Rockford Fosgate Punch P1V2-46

300W Peak (150W RMS) 4x6" Punch P1 Series 3 Way Coaxial 4-ohm Speakers

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300W Peak (150W RMS) 4x6" Punch P1 Series 3 Way Coaxial 4-ohm Speakers

• 150 watts Peak Each, 75 watts RMS Each
• 1" Tetolon Inverted Dome tweeters
• 3/8" Polypropylene-Piezo super tweeters
• Mica reinforced Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your Firebird
  • Dash Corner
List price $215.99
Save $56.00
-26% $159.99 /pair

In stock

DS18 PRO-ZXI694BM (Sold Individually)

600W Peak (300W RMS) 6x9” ZXi Series 4-ohm Midrange Car Loudspeaker

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600W Peak (300W RMS) 6x9” ZXi Series 4-ohm Midrange Car Loudspeaker

• 600 watts Peak Each, 300 watts RMS Each
• Aluminum Bullet Tweeters
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 98 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your Firebird
  • Rear Seat Side Panel
4
$99.95

In stock

Infinity REF-5030cx (REF5030CXAM)

390W Peak (130W RMS) 5.25” Reference Series 3 ohm Component Speaker System

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390W Peak (130W RMS) 5.25” Reference Series 3 ohm Component Speaker System

• 195 watts Peak Each, 65 watts RMS Each
• 3/4" Textile Edge Driven Dome tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

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Install kits available for most vehicles

additional information required
Fits select locations in your Firebird.
Add vehicle details to confirm exact location.
1
List price $249.95
-56% $109.95 /set

In stock

Limited time!

NVX VSP69KIT

900W Peak (300W RMS) 6x9" V-Series 2 Way Component Car Speakers

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900W Peak (300W RMS) 6x9" V-Series 2 Way Component Car Speakers

• 450 watts Peak Each, 150 watts RMS Each
• 1" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB
• Mounting Depth: 3.14"

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Install kits available for most vehicles

found car based on your search
Fits the following location in your Firebird
  • Rear Seat Side Panel
List price $155.99
-17% $129.99 /set

In stock

Like New from: $101.99

DS18 PRO-HY69.4B

500W Peak (250W RMS) 6x9" PRO-HY Series 4-ohm Mid-range Speaker with Built-in Driver

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500W Peak (250W RMS) 6x9" PRO-HY Series 4-ohm Mid-range Speaker with Built-in Driver

• 500 watts Peak Each, 250 watts RMS Each
• Water Resistance Paper cone material
• Impedance: 4 ohm
• Sensitivity: 97 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your Firebird
  • Rear Seat Side Panel
1
$173.95

In stock

Only 1 Left!

PRV Audio 5MR450-NDY-4 (Sold Individually)

900W Peak (450W RMS) 5" MR Series Pro Audio Midrange 4-ohm Car Speaker

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900W Peak (450W RMS) 5" MR Series Pro Audio Midrange 4-ohm Car Speaker

• 900 watts Peak, 450 watts RMS
• Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

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Install kits available for most vehicles

additional information required
Fits select locations in your Firebird.
Add vehicle details to confirm exact location.
List price $137.39
-20% $109.91

In stock

Limited time!

Kicker PS692 (40PS692)

360W Peak (180W RMS) 6x9” PS Series 2 Way Coaxial 2-ohm Powersports and Motorcycle Speakers

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360W Peak (180W RMS) 6x9” PS Series 2 Way Coaxial 2-ohm Powersports and Motorcycle Speakers

• 180 watts Peak Each, 90 watts RMS Each
• 3/4" Titanium Dome tweeters
• Protective speaker grilles included
• Polypropylene cone material
• Impedance: 2 ohm
• Sensitivity: 87.3 dB
• Mounting Depth: 3-1/4"

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Install kits available for most vehicles

found car based on your search
Fits the following location in your Firebird
  • Rear Seat Side Panel
List price $219.99
Save $60.03
-27% $159.96 /pair

In stock

• 180 watts Peak Each, 90 watts RMS Each
• 3/4" Titanium Dome tweeters
• Protective speaker grilles included
• Polypropylene cone material
• Impedance: 2 ohm
• Sensitivity: 87.3 dB
• Mounting Depth: 3-1/4"

Limited time!

Kicker CSS69 (46CSS694)

900W Peak (300W RMS) 6x9" CS Series 2 Way Component 4-ohm Speaker System

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900W Peak (300W RMS) 6x9" CS Series 2 Way Component 4-ohm Speaker System

• 450 watts Peak Each, 150 watts RMS Each
• 3/4" Titanium Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your Firebird
  • Rear Seat Side Panel
List price $219.99
Save $60.03
-27% $159.96 /set

In stock

Used from: $139.99 Like New from: $169.99
Limited time!

JBL Stadium 962C (JBLSPKSD962CAM)

870W Peak (290W RMS) 6x9" Stadium Series 2-Way Component 3-ohm Speaker System

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870W Peak (290W RMS) 6x9" Stadium Series 2-Way Component 3-ohm Speaker System

• 435 watts Peak Each, 145 watts RMS Each
• 3/4" Aluminum Edge Driven Dome Tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 94 dB

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

found car based on your search
Fits the following location in your Firebird
  • Rear Seat Side Panel
3
List price $579.95
-9% $529.95 /set

In stock

Only 2 Left!

Cerwin-Vega XED52

550W Peak (60W RMS) 5.25" XED Series 2-Way Coaxial 4-ohm Speakers

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550W Peak (60W RMS) 5.25" XED Series 2-Way Coaxial 4-ohm Speakers

• 275 watts Peak Each, 30 watts RMS Each
• 1" Piezo Metal Balanced Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

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Install kits available for most vehicles

additional information required
Fits select locations in your Firebird.
Add vehicle details to confirm exact location.
7
List price $53.99
-17% $44.99 /pair

In stock

Cerwin-Vega PH694

640W Peak (320W RMS) 6x9" PRO Series Full Range Coaxial 4-ohm Speakers

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640W Peak (320W RMS) 6x9" PRO Series Full Range Coaxial 4-ohm Speakers

• 320 watts Peak Each, 160 watts RMS Each
• Polymide Horn Tweeters
• Treated Paper cone material
• Impedance: 4 ohm
• Sensitivity: 101 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your Firebird
  • Rear Seat Side Panel
2
List price $239.99
-17% $199.99 /pair

In stock

Sundown Audio SA-69CX v.2 (SA69CX)

250W RMS 6x9" SA Series 2 Way Coaxial 4-ohm Speakers (S-SA69CXV2)

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250W RMS 6x9" SA Series 2 Way Coaxial 4-ohm Speakers (S-SA69CXV2)

• 125 watts RMS Each
• Silk Dome Tweeters
• Hybrid Fiber Pulp cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your Firebird
  • Rear Seat Side Panel
List price $311.99
-17% $259.99 /pair

In stock

Limited time!

Rockford Fosgate Punch P3 P3V2-69C3

300W Peak (150W RMS) 6x9" Punch P3 Series 3-Way 4-ohm Coax/Component Car Speaker System

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300W Peak (150W RMS) 6x9" Punch P3 Series 3-Way 4-ohm Coax/Component Car Speaker System

• 150 watts Peak Each, 75 watts RMS Each
• Santoprene Rubber half-roll speaker surround
• 20-40% Mica reinforced Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

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Install kits available for most vehicles

additional information required
Fits select locations in your Firebird.
Add vehicle details to confirm exact location.
List price $635.99
Save $156.00
-25% $479.99 /set

In stock

Only 3 Left!

Limited time!

Hertz DCX 460.3

160W Peak (80W RMS) 4x6" Dieci Series 2-Way Coaxial 4-ohm Car Speaker

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160W Peak (80W RMS) 4x6" Dieci Series 2-Way Coaxial 4-ohm Car Speaker

• 80 watts Peak Each, 40 watts RMS Each
• 1/2" PEI (Polyetherimide) Dome tweeters
• Water-repellent Treated Paper cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

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

found car based on your search
Fits the following location in your Firebird
  • Dash Corner
List price $150.00
-13% $129.99 /pair

In stock

Limited time!

Cerwin-Vega XED46

300W Peak (40W RMS) 4x6" XED Series 2 Way Coaxial 4-ohm Speakers

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300W Peak (40W RMS) 4x6" XED Series 2 Way Coaxial 4-ohm Speakers

• 150 watts Peak Each, 20 watts RMS Each
• 1" Balanced Metal Dome Tweeters
• Curvilinear Polypropylene cone material
• Impedance: 4 ohm

Flash Sale! Save at Checkout!
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 Firebird
  • Dash Corner
List price $53.99
-17% $44.99 /pair

In stock

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    FAQ for Speakers in 1990 Firebird

    Q: Can I upgrade or change the Speakers in 1990 Pontiac Firebird?

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

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

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