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Diamond Audio MS692NEO2

1200W Peak (400W RMS) 6x9" MS NEO Series 2-Way Pro Coaxial 2-ohm Powersports and Motorcycle Speakers

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1200W Peak (400W RMS) 6x9" MS NEO Series 2-Way Pro Coaxial 2-ohm Powersports and Motorcycle Speakers

• 600 watts Peak Each, 200 watts RMS Each
• Polyethylene-Naphthalate Horn Tweeters
• Waterproof DUPONT™ Kevlar cone material
• Impedance: 2 ohm
• Sensitivity: 95 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
$899.99 /pair

In stock

Only 2 Left!

Rockford Fosgate Punch P152 (Open Box, Great)

160W Peak (80W RMS) 5.25" Punch Series 2-way 4-ohm Full Range Car Speakers

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160W Peak (80W RMS) 5.25" Punch Series 2-way 4-ohm Full Range Car Speakers

• 80 watts Peak Each, 40 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome tweeters
• Mineral-Filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 87 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.
27
List price $109.99
-15% $93.49 /pair

In stock

Limited time!

Diamond Audio MP694

600W Peak (300W RMS) 6x9" Motorsport Series 2 Way Coaxial Pro Audio 4-ohm Speakers

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600W Peak (300W RMS) 6x9" Motorsport Series 2 Way Coaxial Pro Audio 4-ohm Speakers

• 300 watts Peak Each, 150 watts RMS Each
• 1" Horn tweeters
• 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
$549.99 /pair

In stock

Only 2 Left!

Limited time!

JBL Stadium 962M

720W Peak (240W RMS) 6x9" Stadium Series 3 Way Coaxial 3-ohm Speakers

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720W Peak (240W RMS) 6x9" Stadium Series 3 Way Coaxial 3-ohm Speakers

• 360 watts Peak Each, 120 watts RMS Each
• 3/4" Aluminum Edge Driven Dome tweeters
• Glass Fiber cone material
• Impedance: 3 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 Firebird
  • Rear Seat Side Panel
2
List price $349.95
Save $80.00
-23% $269.95 /pair

In stock

Limited time!

Earthquake Sound Focus F6X9

600W Peak 6x9" Focus Series 3-way 4-ohm Coaxial Car Speakers

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600W Peak 6x9" Focus Series 3-way 4-ohm Coaxial Car Speakers

• 600 watts Peak Each
• 0.79" Silk Dome Tweeters
• Poly-Injection 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
2
List price $160.00
$159.99 /pair

In stock.

Limited time!

DS18 ZXI-464

360W Peak (120W RMS) 4x6" ZXI Series 2-way 4-ohm Coaxial Speakers

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360W Peak (120W RMS) 4x6" ZXI Series 2-way 4-ohm Coaxial Speakers

• 180 watts Peak Each, 60 watts RMS Each
• 1" PEI (Polyetherimide) Tweeters
• Glass Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 87 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
$95.95 /pair

In stock

Earthquake Sound VTEK-693

1400W RMS 6x9" VTEK Series 3-way 4-ohm Coaxial Car Speakers

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1400W RMS 6x9" VTEK Series 3-way 4-ohm Coaxial Car Speakers

• 700 watts RMS Each
• 0.79" Silk Dome tweeters
• Glass Fiber 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
3
List price $229.00
-8% $209.99 /pair

In stock.

Limited time!

JBL CLUB 644F (JBLSPKCB644F)

240W Peak (80W RMS) 4x6" Club Series 2 Way Coaxial 3-ohms Speakers

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240W Peak (80W RMS) 4x6" Club Series 2 Way Coaxial 3-ohms Speakers

• 120 watts Peak Each, 40 watts RMS Each
• Edge-driven Silk Edge Driven Dome tweeters
• UV-Resistant Polypropylene cone material
• Plus One woofer cone architecture
• Impedance: 3 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
  • Dash Corner
List price $129.95
-23% $99.95 /pair

In stock

Limited time!

Kenwood eXcelon KFC-X463C

200W Peak (60W RMS) 4x6" eXcelon Series 2-Way 3-ohm Coaxial Car Speakers

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200W Peak (60W RMS) 4x6" eXcelon Series 2-Way 3-ohm Coaxial Car Speakers

• 100 watts Peak Each, 30 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Dome tweeters
• Carbon-Polypropylene Hybrid cone material with diamond array pattern
• Impedance: 3 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
4
List price $120.00
$119.99 /pair

Available

Ships in 10-14 days

MB Quart PK1-113 with Sound Damping

220W Peak (110W RMS) 5.25" Premium Series 2-way 4-ohm Coaxial Speaker + NVX SDBSK2 Premium Sound Damping

PK1113_SDBSK2 big
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220W Peak (110W RMS) 5.25" Premium Series 2-way 4-ohm Coaxial Speaker + NVX SDBSK2 Premium Sound Damping

• 110 watts Peak Each, 55 watts RMS Each
• 1" Magnesium Dome tweeters with tunable waveguide housing
• Lightweight Aerated Pop Paper with Mica Blend cone material
• Impedance: 4 ohm
• Sensitivity: 85.9 dB

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additional information required
Fits select locations in your Firebird.
Add vehicle details to confirm exact location.
47
List price $188.73
-27% $136.86

In stock

• 110 watts Peak Each, 55 watts RMS Each
• 1" Magnesium Dome tweeters with tunable waveguide housing
• Lightweight Aerated Pop Paper with Mica Blend cone material
• Impedance: 4 ohm
• Sensitivity: 85.9 dB

Crunch CS46CX

500W Peak (100W RMS) 4x6" CS Series 2-Way Coaxial 4-ohm Car Speakers

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500W Peak (100W RMS) 4x6" CS Series 2-Way Coaxial 4-ohm Car Speakers

• 250 watts Peak Each, 50 watts RMS Each
• 1" Neo-Mylar Soft Dome Tweeters
• Alpha-Cellulose cone material
• Impedance: 4 ohm
• Sensitivity: 89 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
11
List price $25.99
-8% $23.99 /pair

Available

Ships in 10-14 days

Limited time!

Infinity Primus PR9610CS

600W Peak (200W RMS) 6x9" Primus Series 2-Way Component 2.7-ohm Speaker System

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600W Peak (200W RMS) 6x9" Primus Series 2-Way Component 2.7-ohm Speaker System

• 300 watts Peak Each, 100 watts RMS Each
• 1" Textile Edge Driven Dome tweeters
• Polypropylene cone material
• Impedance: 2.7 ohm
• Sensitivity: 89 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
3
List price $209.95
-43% $119.95 /set

In stock.

Limited time!

MB Quart PK1-169

220W Peak (110W RMS) 6x9" Premium Series 2-Way 4-ohm Coaxial Car Speakers

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220W Peak (110W RMS) 6x9" Premium Series 2-Way 4-ohm Coaxial Car Speakers

• 110 watts Peak Each, 55 watts RMS Each
• 1" Magnesium Dome tweeters
• Tunable waveguide tweeter housing
• Pop Paper-Mica Blend cone material
• Curvilinear cone design geometry
• Impedance: 4 ohm
• Sensitivity: 85.5 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
-31% $152.74 /pair

Available

Ships in 10-14 days

Limited time!

JBL STAGE2524 (STAGE2 524)

420W Peak (70W RMS) 5.25" Stage2 Series 2 Way Coaxial 4-ohm Speakers

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420W Peak (70W RMS) 5.25" Stage2 Series 2 Way Coaxial 4-ohm Speakers

• 210 watts Peak Each, 35 watts RMS Each
• PEI (Polyetherimide) Balanced Dome tweeters
• Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

Free Speaker Accessory at Checkout!
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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.
3
List price $89.99
-44% $49.95 /pair

Available

Ships in 10-14 days

Limited time!

JBL Stage1 9631

600W Peak (120W RMS) 6x9” Stage1 Series 3 Way Coaxial 4-ohm Speakers

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600W Peak (120W RMS) 6x9” Stage1 Series 3 Way Coaxial 4-ohm Speakers

• 300 watts Peak Each, 60 watts RMS Each
• 1" Mylar Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89 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
1
List price $99.99
Save $25.04
-25% $74.95 /pair

Available

Ships in 10-14 days

Limited time!

Infinity Reference 5032cfx (REF-5032CFXAM)

270W Peak (90W RMS) 5.25" Reference Series 2 Way Coaxial 3-ohm Speakers

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270W Peak (90W RMS) 5.25" Reference Series 2 Way Coaxial 3-ohm Speakers

• 135 watts Peak Each, 45 watts RMS Each
• Textile Edge Driven Dome Tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 dB

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
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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 $130.00
-42% $74.99 /pair

In stock

Limited time!

Infinity Reference 9632ix (REF-9632IX)

600W Peak (200W RMS) 6x9" Reference Series 2-Way Coaxial 3-ohm Car Speakers

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600W Peak (200W RMS) 6x9" Reference Series 2-Way Coaxial 3-ohm Car Speakers

• 300 watts Peak Each, 100 watts RMS Each
• 1" Textile Edge Driven Dome tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 94 dB

Free Speaker Accessory at Checkout!
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VIP Product Get $14.00 in rewards to spend later

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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 $169.95
-18% $139.95 /pair

Available

Ships in 10-14 days

Limited time!

JBL GT7-5C

270W Peak (90W RMS) 5.25" GT7 Series 2 Way Component 4-ohm Speakers

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270W Peak (90W RMS) 5.25" GT7 Series 2 Way Component 4-ohm Speakers

• 135 watts Peak Each, 45 watts RMS Each
• 1-3/16" PEI (Polyetherimide) Edge Driven Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

Free Speaker Accessory at Checkout!
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VIP Product Get $12.00 in rewards to spend later

install icon

Install kits available for most vehicles

additional information required
Fits select locations in your Firebird.
Add vehicle details to confirm exact location.
3
List price $149.95
-20% $119.95 /set

In stock

Only 1 Left!

Diamond Audio MS69CX

1000W Peak (250W RMS) 6x9" Motorsport Series 2-Way Coaxial 4-ohm Marine Speakers

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1000W Peak (250W RMS) 6x9" Motorsport Series 2-Way Coaxial 4-ohm Marine Speakers

• 500 watts Peak Each, 125 watts RMS Each
• 1" Titanium Dome Tweeters
• UV-treated thermal molded waterproof kevlar cone material
• Impedance: 4 ohm
• Sensitivity: 87.4 dB

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VIP Product Get $33.00 in rewards to spend later

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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 $419.99
-21% $329.99 /pair

In stock

Only 3 Left!

• 500 watts Peak Each, 125 watts RMS Each
• 1" Titanium Dome Tweeters
• UV-treated thermal molded waterproof kevlar cone material
• Impedance: 4 ohm
• Sensitivity: 87.4 dB

Limited time!

Infinity Kappa 463XF (INFSPKKA463XFAM)

360W Peak (120W RMS) 4x6" Kappa Series 2-Way Coaxial 3-ohm Car Speakers

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360W Peak (120W RMS) 4x6" Kappa Series 2-Way Coaxial 3-ohm Car Speakers

• 180 watts Peak Each, 60 watts RMS Each
• 1" Silk Edge Driven Dome tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
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VIP Product Get $20.00 in rewards to spend later

install icon

Install kits available for most vehicles

found car based on your search
Fits the following location in your Firebird
  • Dash Corner
3
List price $269.95
Save $70.00
-26% $199.95 /pair

Available

Ships in 10-14 days

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    We love people and we're ready to help you! See what separates us from our competition.

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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:

    • You see only parts engineered for your exact vehicle
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    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.