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AudioControl A35C

100W RMS 3.5" Altitude Series Component Midrange 4-ohm Car Speakers

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100W RMS 3.5" Altitude Series Component Midrange 4-ohm Car Speakers

• 50 watts RMS Each
• Precision-Molded Glass Fiber cone
• Impedance: 4 ohm
• Sensitivity: 84.6 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your 928 S
  • Front Door
List price $89.00
-11% $79.00 /pair

In stock

Only 2 Left!

Limited time!

Pioneer TS-A1301C

600W Peak (100W RMS) 5.25" A-Series 2-Way 4-ohm Component Speakers

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600W Peak (100W RMS) 5.25" A-Series 2-Way 4-ohm Component Speakers

• 300 watts Peak Each, 50 watts RMS Each
• 1-3/16" Polyetherimide Hard Dome tweeters
• Injection Molded Polypropylene 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 S
  • Rear Seat Side Panel
List price $170.00
-18% $140.00 /set

In stock

Only 3 Left!

JBL Stage2 45F (STAGE245F)

100W Peak (50W RMS) 6.5" Stage2 Gen 2 Series 2 Way Coaxial Speakers

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100W Peak (50W RMS) 6.5" Stage2 Gen 2 Series 2 Way Coaxial Speakers

• 40 watts Peak Each, 20 watts RMS Each
• PEI (Polyetherimide) Edge Driven Dome Tweeters
• Polypropylene cone material
• 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 S
  • Side Panel
List price $69.00
-28% $49.99 /pair

In stock

Limited time!

JL Audio C2-525x

120W RMS 5.25" C2 Series 2 Way Coaxial 4-ohm Car Speakers

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120W RMS 5.25" C2 Series 2 Way Coaxial 4-ohm Car Speakers

• 60 watts RMS Each
• 3/4" Silk Dome tweeters
• Mica Injected Polypropylene - MIPP 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 S
  • Rear Seat Side Panel
8
$279.99 /pair

In stock

Only 3 Left!

Limited time!

MTX Audio THUNDER52

180W Peak (90W RMS) 5.25" Thunder Series 2 Way Coaxial 4-ohm Speakers

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180W Peak (90W RMS) 5.25" Thunder Series 2 Way Coaxial 4-ohm Speakers

• 45 watts RMS Each
• 1" Silk Dome tweeters
• Polypropylene 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 928 S
  • Rear Seat Side Panel
2
List price $119.95
Save $23.99
-20% $95.96 /pair

In stock

Limited time!

JL Audio C1-525x

100W RMS 5.25" C1 Series 2 Way Coaxial 4-ohm Car Speakers

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100W RMS 5.25" C1 Series 2 Way Coaxial 4-ohm Car Speakers

• 50 watts RMS Each
• 3/4" Silk-Suspended Aluminum Edge Driven Dome tweeters
• Mineral-Filled Polypropylene 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 S
  • Rear Seat Side Panel
6
$129.99 /pair

In stock

Used from: $110.49

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

found car based on your search
Fits the following location in your 928 S
  • Rear Seat Side Panel
List price $137.39
-20% $109.91

In stock

Limited time!

Infinity Kappa 53XF (INFSPKKA53XFAM)

360W Peak (120W RMS) 5.25" Kappa Series 2-Way Coaxial 3-ohm Car Speakers

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360W Peak (120W RMS) 5.25" Kappa Series 2-Way Coaxial 3-ohm Car Speakers

• 180 watts Peak Each, 60 watts RMS Each
• Silk Edge Driven Dome tweeters
• Glass Fiber cone material
• Impedance: 3 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 S
  • Rear Seat Side Panel
List price $249.95
Save $90.00
-36% $159.95 /pair

In stock

Limited time!

Cerwin-Vega V525

600W Peak (200W RMS) 5.25" Vega Series 2025 Edition 2-Way Coaxial 4-ohm Speakers

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600W Peak (200W RMS) 5.25" Vega Series 2025 Edition 2-Way Coaxial 4-ohm Speakers

• 300 watts Peak Each, 100 watts RMS Each
• 3/4" Silk Balanced Dome Tweeters
• Carbon Fiber 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 928 S
  • Rear Seat Side Panel
1
$149.99 /pair

In stock

Limited time!

MB Quart DK2-108

140W Peak (70W RMS) 3.5" Discus Series 2-way 4-ohm Coaxial Car Speakers

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140W Peak (70W RMS) 3.5" Discus Series 2-way 4-ohm Coaxial Car Speakers

• 70 watts Peak Each, 35 watts RMS Each
• Aluminum Inverted Dome tweeters
• Lightweight Thermoformed Polypropylene cone material
• 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 928 S
  • Front Door
1
List price $59.99
-17% $49.99 /pair

In stock

Limited time!

JBL Stage3 527 (STAGE3527AM)

400W Peak (80W RMS) 5.25” Stage3 Series 2 Way Coaxial 3-ohm Speakers

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400W Peak (80W RMS) 5.25” Stage3 Series 2 Way Coaxial 3-ohm Speakers

• 200 watts Peak Each, 40 watts RMS Each
• Polypropylene cone material with Plus One woofer architecture
• Impedance: 3 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 928 S
  • Rear Seat Side Panel
2
List price $109.95
Save $40.00
-36% $69.95 /pair

In stock

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Alpine BRV-S40C

240W Peak (80W RMS) 4" BassRev Series 2-Way 4-ohm Component Speaker System

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240W Peak (80W RMS) 4" BassRev Series 2-Way 4-ohm Component Speaker System

• 120 watts Peak Each, 40 watts RMS Each
• 3/4" Teteron Dome Tweeters
• Polypropylene-Mica cone material
• Impedance: 4 ohm
• Sensitivity: 84 dB

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found car based on your search
Fits the following location in your 928 S
  • Side Panel
List price $360.00
Save $120.05
-33% $239.95 /set

In stock

Only 3 Left!

JBL STAGE3 GEN2 38F (STAGE338F)

800W Peak (100W RMS) 3.5" Stage3 Gen2 Series 2-Way Coaxial 4-ohm Car Speakers

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800W Peak (100W RMS) 3.5" Stage3 Gen2 Series 2-Way Coaxial 4-ohm Car Speakers

• 400 watts Peak Each, 50 watts RMS Each
• PEI (Polyetherimide) Balanced Dome Tweeters
• Plus One Polypropylene cone material
• 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 928 S
  • Front Door
List price $79.95
-25% $59.95 /pair

In stock

• 400 watts Peak Each, 50 watts RMS Each
• PEI (Polyetherimide) Balanced Dome Tweeters
• Plus One Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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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found car based on your search
Fits the following location in your 928 S
  • Front Door
List price $635.99
Save $156.00
-25% $479.99 /set

In stock

Only 3 Left!

AudioControl PNW-35

100W Peak (50W RMS) 3.5″ PNW Series 2 Way Coaxial 2-ohm Speakers

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100W Peak (50W RMS) 3.5″ PNW Series 2 Way Coaxial 2-ohm Speakers

• 50 watts Peak Each, 25 watts RMS Each
• Hybrid Silk Dome tweeters
• Rigid Poly Mica cone material
• Impedance: 2 ohm
• Sensitivity: 83.17 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your 928 S
  • Front Door
2
List price $169.00
-12% $149.00 /pair

In stock

Only 2 Left!

MB Quart FKB110

160W Peak (80W RMS) 4" Formula Series 2-Way 4-ohm Coaxial Car Speakers

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160W Peak (80W RMS) 4" Formula Series 2-Way 4-ohm Coaxial Car Speakers

• 80 watts Peak Each, 40 watts RMS Each
• 1" Aluminum Dome tweeters
• Lightweight Thermoformed Polypropylene cone material
• 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 928 S
  • Side Panel
List price $46.99
-36% $29.99 /pair

In stock

Hifonics HCC4CX

150W Peak (80W RMS) 4" Colossus Classic Series 2 Way Coaxial 4-ohm Speakers

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150W Peak (80W RMS) 4" Colossus Classic Series 2 Way Coaxial 4-ohm Speakers

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

1+ offers available
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Fits the following location in your 928 S
  • Side Panel
$39.99 /pair

In stock

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$39.99
$35.99 with coupon | Price details
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Infinity Primus 503CF (PR503CF)

300W Peak (100W RMS) 5.25” Primus Series 2 Way 3-ohm Component Speaker System

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300W Peak (100W RMS) 5.25” Primus Series 2 Way 3-ohm Component Speaker System

• 150 watts Peak Each, 50 watts RMS Each
• 3/4" Silk Edge Driven Dome Tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 91 dB

1+ offers available
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found car based on your search
Fits the following location in your 928 S
  • Rear Seat Side Panel
1
List price $149.95
-20% $119.95 /set

In stock

Continue to cart

Available Offers (2) for Infinity Primus 503CF (PR503CF)
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List price $149.95
-20% $119.95
$101.96 with coupon | Price details
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Hertz CX 100

240W Peak (80W RMS) 4" Cento Series 2-Way Coaxial 4-ohm Car Speakers

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240W Peak (80W RMS) 4" Cento Series 2-Way Coaxial 4-ohm Car Speakers

• 120 watts Peak Each, 40 watts RMS Each
• 0.9" Soft Tetolon Dome Tweeters
• Semi-Pressed paper with Mica cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

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found car based on your search
Fits the following location in your 928 S
  • Side Panel
4
List price $260.00
$249.99 /pair

In stock

Limited time!

Infinity REF507F (INFSPKRF507FUS)

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!
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Install kits available for most vehicles

found car based on your search
Fits the following location in your 928 S
  • Rear Seat Side Panel
1
List price $139.95
-21% $109.95 /pair

In stock

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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 1984 928 S

    Q: Can I upgrade or change the Speakers in 1984 Porsche 928 S?

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

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    • Vehicle produced after 2005: Inside driver's side door
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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.