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American Bass SQ-3.5-FR

160W Peak (80W RMS) 3.5" SQ Series 2 Way Full Range Coaxial 4-ohm Speakers

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160W Peak (80W RMS) 3.5" SQ Series 2 Way Full Range Coaxial 4-ohm Speakers

• 80 watts Peak Each, 40 watts RMS Each
• Swivel 3/4" Neodymium Dome Tweeters
• Glass Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 85 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your 928
  • Front Door
List price $55.09
-18% $44.99 /pair

In stock.

DS18 PRO-CUPOLA2 (Sold Individually)

300W Peak (100W RMS) 4" Pro Audio Soft Dome Midrange 4-ohm Loudspeaker

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300W Peak (100W RMS) 4" Pro Audio Soft Dome Midrange 4-ohm Loudspeaker

• 300 watts Peak, 100 watts RMS
• Coated non-resonant soft dome material
• Ultra-high sound quality
• Perfect for studio monitors or Hi-Fi applications
• Impedance: 4 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 928
  • Side Panel
List price $119.99
-17% $99.95

In stock.

DS18 G5.25Xi

270W Peak (90W RMS) 5.25" GEN-X Series 2-way 4-ohm Coaxial Speakers

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270W Peak (90W RMS) 5.25" GEN-X Series 2-way 4-ohm Coaxial Speakers

• 135 watts Peak Each, 45 watts RMS Each
• 1" Mylar Balanced Dome tweeters with neodynium magnets
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 84 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your 928
  • Rear Seat Side Panel
$50.95 /pair

In stock

DS18 PRO-FR5NEO (Sold Individually)

400W Peak (200W RMS) 5.25” PRO-FR Series 4-ohm Full-Range Bullet Loudspeaker

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400W Peak (200W RMS) 5.25” PRO-FR Series 4-ohm Full-Range Bullet Loudspeaker

• 400 watts Peak Each, 200 watts RMS Each
• Aluminum Bullet Tweeters
• Non-Pressed Paper cone material
• Impedance: 4 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 928
  • Rear Seat Side Panel
1
$119.95

In stock

AudioControl PNW-4

150W Peak (100W RMS) 4″ PNW Series 2 Way Coaxial 3-ohm Speakers

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150W Peak (100W RMS) 4″ PNW Series 2 Way Coaxial 3-ohm Speakers

• 75 watts Peak Each, 50 watts RMS Each
• Silk Dome Tweeters
• Rigid Poly Mica cone material
• Impedance: 3 ohm
• Sensitivity: 84.38 dB

1+ offers available
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Install kits available for most vehicles

found car based on your search
Fits the following location in your 928
  • Side Panel
1
List price $189.00
-11% $169.00 /pair

In stock

Continue to cart

Available Offers (2) for AudioControl PNW-4
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Flash Sale! Save at Checkout!
List price $189.00
-11% $169.00
$135.20 with coupon | Price details
Free Speaker Accessory at Checkout!
Limited time!

Kicker PS42 (40PS42)

200W Peak (100W RMS) 4” PS Series 2 Way Coaxial 2-ohm Powersports and Motorcycle Speakers

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200W Peak (100W RMS) 4” PS Series 2 Way Coaxial 2-ohm Powersports and Motorcycle Speakers

• 100 watts Peak Each, 50 watts RMS Each
• 3/4" Titanium Dome tweeters
• Protective speaker grilles included
• Polypropylene Material
• Impedance: 2 ohm
• Sensitivity: 85.8 dB
• Mounting Depth: 1-11/16"

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Install kits available for most vehicles

found car based on your search
Fits the following location in your 928
  • Side Panel
List price $149.99
Save $46.03
-31% $103.96 /pair

Available

Ships in 10-14 days

• 100 watts Peak Each, 50 watts RMS Each
• 3/4" Titanium Dome tweeters
• Protective speaker grilles included
• Polypropylene Material
• Impedance: 2 ohm
• Sensitivity: 85.8 dB
• Mounting Depth: 1-11/16"

Limited time!

Hertz CK 130

420W Peak (140W RMS) 5.25" Cento Series 2-way 4-ohm Component Speaker System

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420W Peak (140W RMS) 5.25" Cento Series 2-way 4-ohm Component Speaker System

• 210 watts Peak Each, 70 watts RMS Each
• CCX 2 crossover with tweeter emission level control (0 to +3dB)
• 1" Tetolon Dome tweeters
• Semi-pressed Paper-Mica cone material
• Impedance: 4 ohm
• Sensitivity: 92.5 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 928
  • Rear Seat Side Panel
List price $480.00
-17% $399.99 /set

Available

Ships in 10-14 days

Limited time!

DS18 ZXI-5254

360W Peak (120W RMS) 5.25" ZXi Series 2-way 4-ohm Coaxial Car Speakers

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360W Peak (120W RMS) 5.25" ZXi Series 2-way 4-ohm Coaxial Car Speakers

• 180 watts Peak Each, 60 watts RMS Each
• 1" PEI (Polyetherimide) Dome tweeters with neodynioum magnets
• Glass Fiber 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 928
  • Rear Seat Side Panel
$83.95 /pair

In stock.

Limited time!

Earthquake Sound F5.25

600W Peak 5.25" Focus Series 2-Way Coaxial 4-ohm Car Speakers

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600W Peak 5.25" Focus Series 2-Way Coaxial 4-ohm Car Speakers

• 300 watts Peak Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

Free Speaker Accessory at Checkout!
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VIP Product Get $10.80 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 928
  • Rear Seat Side Panel
List price $120.00
-10% $107.99 /pair

In stock.

Diamond Audio MP525

300W Peak (150W RMS) 5.25" Motorsport Series Pro Audio Full-Range Coaxial Horn Speakers

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300W Peak (150W RMS) 5.25" Motorsport Series Pro Audio Full-Range Coaxial Horn Speakers

• 300 watts Peak Each, 150 watts RMS Each
• 1" Horn tweeters
• Impedance:
• Sensitivity: 101 dB

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VIP Product Get $44.00 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 928
  • Rear Seat Side Panel
2
$439.99 /pair

In stock

Only 2 Left!

DS18 PRO-X5.4M (Sold Individually)

300W Peak (150W RMS) 5.25” PRO-X Series 4-ohm Midrange Loudspeaker

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300W Peak (150W RMS) 5.25” PRO-X Series 4-ohm Midrange Loudspeaker

• 300 watts Peak Each, 150 watts RMS Each
• Red Steel Basket
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your 928
  • Rear Seat Side Panel
1
$44.95

In stock.

DS18 PRO-CUPOLA3 (Sold Individually)

400W Peak (150W RMS) 5.25" Pro Audio Soft Dome Midrange 4-ohm Loudspeaker

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400W Peak (150W RMS) 5.25" Pro Audio Soft Dome Midrange 4-ohm Loudspeaker

• 400 watts Peak, 150 watts RMS
• Coated non-resonant soft dome material
• Ultra-high sound quality
• Perfect for studio monitors or Hi-Fi applications
• Impedance: 4 ohm
• Sensitivity: 96 dB

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VIP Product Get $20.00 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 928
  • Rear Seat Side Panel
List price $239.99
-17% $199.95

In stock.

DS18 PRO-X4.4BMSL (Sold Individually)

200W Peak (100W RMS) 4" PRO-X Series 8-ohm Shallow-mount Mid-range Speaker

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200W Peak (100W RMS) 4" PRO-X Series 8-ohm Shallow-mount Mid-range Speaker

• 200 watts Peak Each, 100 watts RMS Each
• Paper 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 928
  • Side Panel
$39.95

In stock.

DS18 DXQ3.5

240W Peak (60W RMS) 3.5" DXQ Series Midrange 4-ohm Car Speakers

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240W Peak (60W RMS) 3.5" DXQ Series Midrange 4-ohm Car Speakers

• 120 watts Peak Each, 60 watts RMS Each
• Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

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VIP Product Get $15.00 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 928
  • Front Door
$149.95 /pair

In stock.

American Bass STUDIO 5.25 FR

240W Peak (120W RMS) 5.25" Studio Series 2 Way Coaxial Full Range 4-ohm Speakers (STUDIO-5.25-FR)

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240W Peak (120W RMS) 5.25" Studio Series 2 Way Coaxial Full Range 4-ohm Speakers (STUDIO-5.25-FR)

• 120 watts Peak Each, 60 watts RMS Each
• 1/2" Hard Dome tweeters
• Paper 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 928
  • Rear Seat Side Panel
List price $101.64
-26% $74.75 /pair

In stock.

DS18 PRO-X5M

300W Peak (150W RMS) 5.25” PRO-X Series 8-ohm Midrange Car Loudspeaker

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300W Peak (150W RMS) 5.25” PRO-X Series 8-ohm Midrange Car Loudspeaker

• 300 watts Peak Each, 150 watts RMS Each
• Glossy red steel basket material
• Non-Pressed Paper cone material
• Impedance: 8 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 928
  • Rear Seat Side Panel
$44.95

In stock.

DS18 PRO-X4M (Sold Individually)

200W Peak (100W RMS) 4" PRO-X Series 8-ohm Mid-range Speaker

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200W Peak (100W RMS) 4" PRO-X Series 8-ohm Mid-range Speaker

• 200 watts Peak Each, 100 watts RMS Each
• Non-Pressed Paper cone material
• Impedance: 8 ohm
• Sensitivity: 85.7 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your 928
  • Side Panel
$37.95

In stock.

PRV Audio 4MR60-NDY-4

120W Peak (60W RMS) 4" MR Series Pro Audio Midrange 4-ohm Car Speaker (Sold Individually)

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120W Peak (60W RMS) 4" MR Series Pro Audio Midrange 4-ohm Car Speaker (Sold Individually)

• 120 watts Peak Each, 60 watts RMS Each
• Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

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 928
  • Side Panel
List price $49.89
-20% $39.91

Available

Ships in 10-14 days

Limited time!

MTX SS5

250W RMS 5.25" Signature Series 2 Way Component 4-ohm System

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250W RMS 5.25" Signature Series 2 Way Component 4-ohm System

• 125 watts RMS Each
• 1-3/16" Teteron Dome tweeters
• Glass Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 84.9 dB

Free Speaker Accessory at Checkout!
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VIP Product Get $50.00 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 928
  • Rear Seat Side Panel
$499.95 /set

Available

Ships in 10-14 days

Limited time!

Earthquake Sound VTEK-52Xi

800W RMS 5.25" VTEK Series 2-Way Coaxial 2-ohm Car Speakers

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800W RMS 5.25" VTEK Series 2-Way Coaxial 2-ohm Car Speakers

• 400 watts RMS Each
• 3/4" Silk Dome swiveling tweeters
• Glass Carbon Fiber cone material
• Impedance: 2 ohm
• Sensitivity: 89 dB

Free Speaker Accessory at Checkout!
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VIP Product Get $15.90 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 928
  • Rear Seat Side Panel
$159.00 /pair

In stock.

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    FAQ for Speakers in 1980 928

    Q: Can I upgrade or change the Speakers in 1980 Porsche 928?

    A: Yes this page includes all the best Speakers that work in your 928.

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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.