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Hifonics ZS525CX

400W Peak (60W RMS) 5.25” Zeus Series 2-way 4-ohm Coaxial Car Speakers

ZS525CX big
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400W Peak (60W RMS) 5.25” Zeus Series 2-way 4-ohm Coaxial Car Speakers

• 200 watts Peak Each, 30 watts RMS Each
• 1" Neo-Mylar Soft Dome tweeters with Kapton former
• Alpha-Cellulose cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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Install kits available for this speaker

found car based on your search
Fits the following location in your Eighty Eight
  • Lower Front Door
7
List price $28.99
-31% $19.99 /pair

In stock

Limited time!

Hifonics HCC69CX

300W Peak (150W RMS) 6x9" Colossus Classic Series 2 Way Coaxial 4-ohm Speakers

HCC69CX big
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300W Peak (150W RMS) 6x9" Colossus Classic Series 2 Way Coaxial 4-ohm Speakers

• 150 watts Peak Each, 75 watts RMS Each
• 1" Aluminum Dome Tweeters
• Protective speaker grilles included
• Woven Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
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Save $10 on install kits for this speaker

found car based on your search
Fits the following location in your Eighty Eight
  • Rear Deck Corner
List price $69.99
-14% $59.99 /pair

In stock

Only 1 Left!

• 150 watts Peak Each, 75 watts RMS Each
• 1" Aluminum Dome Tweeters
• Protective speaker grilles included
• Woven Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

Limited time!

Hifonics HCC525CX

160W Peak (80W RMS) 5.25" Colossus Classic Series 2 Way Coaxial 4-ohm Speakers

HCC525CX big
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160W Peak (80W RMS) 5.25" Colossus Classic Series 2 Way Coaxial 4-ohm Speakers

• 80 watts Peak Each, 40 watts RMS Each
• 1" Aluminum Dome Tweeters
• Woven Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Save $10 on install kits for this speaker

found car based on your search
Fits the following location in your Eighty Eight
  • Lower Front Door
$49.99 /pair

In stock

(2) Pairs of Hifonics ZS525CX

400W Max (60W RMS) 5.25" Zeus Series 2-Way Coaxial Car Speakers

ZS525CX,ZS525CX big
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400W Max (60W RMS) 5.25" Zeus Series 2-Way Coaxial Car Speakers

• 200 Watts Max Each, 30 Watts RMS Each
• 1" Mylar Balanced Dome Tweeter
• Alpha-Cellulose Cones
• 4Ohm Impedance
• Sensitivity: 88dB
• Mounting Depth: 2"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your Eighty Eight
7
List price $57.98
-31% $39.98

In stock

• 200 Watts Max Each, 30 Watts RMS Each
• 1" Mylar Balanced Dome Tweeter
• Alpha-Cellulose Cones
• 4Ohm Impedance
• Sensitivity: 88dB
• Mounting Depth: 2"

Hifonics ZS525CX with Installation Accessories

400W Peak (60W RMS) 5.25” Zeus Series Coaxial 2-way Car Speakers + 5.25" Speaker Baffles + Sound Damping, Roller and Panel Removal Kit

ZS525CX_ACC_KIT big
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400W Peak (60W RMS) 5.25” Zeus Series Coaxial 2-way Car Speakers + 5.25" Speaker Baffles + Sound Damping, Roller and Panel Removal Kit

• 200 Watts Max Each, 30 Watts RMS Each
• 1" Mylar Balanced Dome Tweeter
• Alpha-Cellulose Cones
• 4 Ohm Impedance
• Sensitivity: 88dB
• Mounting Depth: 2"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your Eighty Eight
224
List price $101.70
-45% $56.35

In stock

• 200 Watts Max Each, 30 Watts RMS Each
• 1" Mylar Balanced Dome Tweeter
• Alpha-Cellulose Cones
• 4 Ohm Impedance
• Sensitivity: 88dB
• Mounting Depth: 2"

Hifonics ZS525CX with Sound Damping

400W Peak (60W RMS) 5.25” Zeus Series Coaxial 2-way Car Speakers + NVX SDSK2 Sound Damping

ZS525CX_SDSK2 big
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400W Peak (60W RMS) 5.25” Zeus Series Coaxial 2-way Car Speakers + NVX SDSK2 Sound Damping

• 200 Watts Max Each, 30 Watts RMS Each
• 1" Mylar Balanced Dome Tweeter
• Alpha-Cellulose Cones
• 4 Ohm Impedance
• Sensitivity: 88dB
• Mounting Depth: 2"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your Eighty Eight
53
List price $47.73
-27% $34.98

In stock

• 200 Watts Max Each, 30 Watts RMS Each
• 1" Mylar Balanced Dome Tweeter
• Alpha-Cellulose Cones
• 4 Ohm Impedance
• Sensitivity: 88dB
• Mounting Depth: 2"

Hifonics ZS525CX (2-Pairs, 4-Total)

800W Peak (120W RMS) 5.25” Zeus Series Coaxial 2-way Car Speakers (2-Pairs)

ZS525CX_2 big
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800W Peak (120W RMS) 5.25” Zeus Series Coaxial 2-way Car Speakers (2-Pairs)

• 200 Watts Max Each, 30 Watts RMS Each
• 1" Mylar Balanced Dome Tweeter
• Alpha-Cellulose Cones
• 4 Ohm Impedance
• Sensitivity: 88dB
• Mounting Depth: 2"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your Eighty Eight
7
List price $57.98
-31% $39.98

In stock

• 200 Watts Max Each, 30 Watts RMS Each
• 1" Mylar Balanced Dome Tweeter
• Alpha-Cellulose Cones
• 4 Ohm Impedance
• Sensitivity: 88dB
• Mounting Depth: 2"

Hifonics ZS693

800W Peak (120W RMS) 6x9" Zeus Series 3-Way Coaxial 4-ohm Car Speakers

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800W Peak (120W RMS) 6x9" Zeus Series 3-Way Coaxial 4-ohm Car Speakers

• 400 watts Peak Each, 60 watts RMS Each
• 1" Neo-Mylar Dome tweeters
• Alpha-Cellulose cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

install icon

Save $2 on install kits for this speaker

found car based on your search
Fits the following location in your Eighty Eight
  • Rear Deck Corner
36
List price $49.99
-36% $31.99 /pair

• 400 watts Peak Each, 60 watts RMS Each
• 1" Neo-Mylar Dome tweeters
• Alpha-Cellulose cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

(4) Hifonics ZS693 6x9" 1600 Watt Car Audio Coaxial Speakers

2 Pairs (4 Total) 800W Max (120W RMS) 6" x 9" Zeus 3-Way Coaxial Car Speakers Package

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2 Pairs (4 Total) 800W Max (120W RMS) 6" x 9" Zeus 3-Way Coaxial Car Speakers Package

• 400 Watts Max Each, 60 Watts RMS Each
• 1" Mylar Dome Tweeter
• Alpha-Cellulose Cones
• 4 Ohm Impedance
• Sensitivity: 88 dB
• Mounting Depth: 3.35"

found car based on your search
Fits your Eighty Eight
38
List price $99.98
-45% $54.90

• 400 Watts Max Each, 60 Watts RMS Each
• 1" Mylar Dome Tweeter
• Alpha-Cellulose Cones
• 4 Ohm Impedance
• Sensitivity: 88 dB
• Mounting Depth: 3.35"

Hifonics ZS693 with Sound Damping

800W Max (120W RMS) 6x9" Zeus 3-Way Coaxial Car Speakers + NVX SDSK2 Sound Damping

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800W Max (120W RMS) 6x9" Zeus 3-Way Coaxial Car Speakers + NVX SDSK2 Sound Damping

• 400 Watts Max Each, 60 Watts RMS Each
• 1" Mylar Dome Tweeter
• Alpha-Cellulose Cones
• 4 Ohm Impedance
• Sensitivity: 88 dB
• Mounting Depth: 3.35"

found car based on your search
Fits your Eighty Eight
82
List price $68.73
-32% $46.98

• 400 Watts Max Each, 60 Watts RMS Each
• 1" Mylar Dome Tweeter
• Alpha-Cellulose Cones
• 4 Ohm Impedance
• Sensitivity: 88 dB
• Mounting Depth: 3.35"

Lowest price in 30 days

Hifonics ZS693 with Installation Accessories

800W Max (120W RMS) 6x9" Zeus 3-Way Coaxial Car Speakers + 6x9" Speaker Baffles + Sound Damping, Roller and Panel Removal Kit

Go to item page Right Arrow Icon of Right Arrow

800W Max (120W RMS) 6x9" Zeus 3-Way Coaxial Car Speakers + 6x9" Speaker Baffles + Sound Damping, Roller and Panel Removal Kit

• 400 Watts Max Each, 60 Watts RMS Each
• 1" Mylar Dome Tweeter
• Alpha-Cellulose Cones
• 4 Ohm Impedance
• Sensitivity: 88 dB
• Mounting Depth: 3.35"

found car based on your search
Fits your Eighty Eight
264
List price $122.70
-41% $71.85

• 400 Watts Max Each, 60 Watts RMS Each
• 1" Mylar Dome Tweeter
• Alpha-Cellulose Cones
• 4 Ohm Impedance
• Sensitivity: 88 dB
• Mounting Depth: 3.35"

Hifonics ZS693 (2-Pairs, 4-Total)

1600W Max (240W RMS) 6x9" Zeus 3-Way Coaxial Car Speakers (2-Pairs)

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1600W Max (240W RMS) 6x9" Zeus 3-Way Coaxial Car Speakers (2-Pairs)

• 400 Watts Max Each, 60 Watts RMS Each
• 1" Mylar Dome Tweeter
• Alpha-Cellulose Cones
• 4 Ohm Impedance
• Sensitivity: 88 dB
• Mounting Depth: 3.35"

found car based on your search
Fits your Eighty Eight
36
List price $99.98
-36% $63.98

• 400 Watts Max Each, 60 Watts RMS Each
• 1" Mylar Dome Tweeter
• Alpha-Cellulose Cones
• 4 Ohm Impedance
• Sensitivity: 88 dB
• Mounting Depth: 3.35"

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    FAQ for Speakers in 1998 Eighty Eight

    Q: Can I upgrade or change the Speakers in 1998 Oldsmobile Eighty Eight?

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

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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.