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DS18 PRO-X6.4BMPK

1000W Peak (500W RMS) 6.5” PRO-X Series 4-ohm Pro Audio Component Speakers Set

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1000W Peak (500W RMS) 6.5” PRO-X Series 4-ohm Pro Audio Component Speakers Set

• 500 watts Peak Each, 250 watts RMS Each
• 1" Aluminum Bullet super tweeters with ferrite magnets
• 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 4C Spider
  • Front Door
4
$139.95 /set

In stock

Limited time!

JL Audio C1-650

100W RMS 6.5" C1 Series 2 Way Component 4-ohm Car Speakers

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100W RMS 6.5" C1 Series 2 Way Component 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: 90.5 dB

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found car based on your search
Fits the following location in your 4C Spider
  • Front Door
31
$159.99 /set

In stock

Used from: $135.99
NVX - Worth the Envy - Direct to Consumer Car Audio
Limited time!

Cerwin-Vega H7653

680W Peak (120W RMS) 6.5" HED Series 3-Way Coaxial 4-ohm Speakers

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680W Peak (120W RMS) 6.5" HED Series 3-Way Coaxial 4-ohm Speakers

• 340 watts Peak Each, 60 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 84.5 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your 4C Spider
  • Front Door
43
List price $95.99
-17% $79.99 /pair

In stock

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Cerwin-Vega H35

240W Peak (80W RMS) 3.5" Vega Series 2-Way Coaxial 4-ohm Speakers

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240W Peak (80W RMS) 3.5" Vega Series 2-Way Coaxial 4-ohm Speakers

• 120 watts Peak Each, 40 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Dome Tweeters
• UV-Treated Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 83 dB

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found car based on your search
Fits the following location in your 4C Spider
  • Front Pillar
List price $83.99
-17% $69.99 /pair

In stock

Only 3 Left!

NVX NSP65KIT

600W Peak (200W RMS) 6.5" N-Series 2 Way Component Car Speakers

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600W Peak (200W RMS) 6.5" N-Series 2 Way Component Car Speakers

• 300 watts Peak Each, 100 watts RMS Each
• 3/4" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

2+ offers available
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Install kits available for most vehicles

found car based on your search
Fits the following location in your 4C Spider
  • Front Door
6
List price $107.99
-17% $89.99 /set

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Available Offers (2) for NVX NSP65KIT
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Purchase $400 or More of NVX and Save 15%!
2026-07-27 11:08:20
Used from: $55.99

Rockford Fosgate Power T2652-S + FREE $75 Gift Card

400W Peak (200W RMS) 6.5" Power Series 2-way Component Speaker System

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400W Peak (200W RMS) 6.5" Power Series 2-way Component Speaker System

• 200 watts Peak Each, 100 watts RMS Each
• 1" Aluminum Dome Tweeters with integral suspension
• Carbon Fiber & polypropylene injection molded 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 4C Spider
  • Front Door
45
List price $524.99
-14% $449.99 /set

In stock

• 200 watts Peak Each, 100 watts RMS Each
• 1" Aluminum Dome Tweeters with integral suspension
• Carbon Fiber & polypropylene injection molded cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

Limited time!

Hertz CK 165

570W Peak (190W RMS) 6.5" Cento Series 2-way 4-ohm Component Speaker System

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570W Peak (190W RMS) 6.5" Cento Series 2-way 4-ohm Component Speaker System

• 285 watts Peak Each, 95 watts RMS Each
• 1" Tetolon Soft Dome tweeters with neodymium magnets
• Semi-Pressed paper with Mica cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

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found car based on your search
Fits the following location in your 4C Spider
  • Front Door
1
List price $480.00
-17% $399.99 /set

In stock

Only 1 Left!

Hertz SV 165 NEO + FREE $150 Gift Card

6.5" NEO Series 4 Ohms Car Speaker Midrange Driver

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6.5" NEO Series 4 Ohms Car Speaker Midrange Driver

• 200 Watts Peak each
• 75 Watts RMS each
• Water repellent pressed paper cone material
• Neodymium Magnet
• 4 ohm impedance
•Nature Proof

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Install kits available for most vehicles

found car based on your search
Fits the following location in your 4C Spider
  • Front Door
3
List price $680.00
-34% $449.99 /pair

In stock

• 200 Watts Peak each
• 75 Watts RMS each
• Water repellent pressed paper cone material
• Neodymium Magnet
• 4 ohm impedance
•Nature Proof

Limited time!

Hertz CK 165L

600W Peak (200W RMS) 6.5" Cento Series 2-way 4-ohm Component Speaker System

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600W Peak (200W RMS) 6.5" Cento Series 2-way 4-ohm Component Speaker System

• 300 watts Peak Each, 100 watts RMS Each
• 1" Tetolon Soft Dome tweeters
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

Free Baffles with Select Speakers Shop deal
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found car based on your search
Fits the following location in your 4C Spider
  • Front Door
2
List price $460.00
-13% $399.99 /set

In stock

Only 3 Left!

Limited time!

JL Audio CF-275mt

60W RMS 2.75" CF Series Custom-Fit Midrange 4-ohm Tweeters

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60W RMS 2.75" CF Series Custom-Fit Midrange 4-ohm Tweeters

• 2-3/4" CF Series Midtweeters
• 30 watts RMS Each
• 4 ohm Impedance

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found car based on your search
Fits the following location in your 4C Spider
  • Front Pillar
12
List price $169.99
Save $25.00
-15% $144.99 /pair

In stock

Used from: $123.24

Sundown Audio SA-6.5CS v.3 (SA6.5CS)

250W RMS 6.5" SA Series 2 Way Component Speaker System (S-SA6.5CSV3)

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250W RMS 6.5" SA Series 2 Way Component Speaker System (S-SA6.5CSV3)

• 125 watts RMS Each
• Silk Dome Tweeters
• Carbon Fiber cone material
• Sensitivity: 24 dB

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found car based on your search
Fits the following location in your 4C Spider
  • Front Door
1
List price $479.99
-17% $399.99 /pair

In stock

Orion HCCA64N

2800W Peak (700W RMS) 6.5" HCCA Series Pro Audio Midrange 4-ohm Car Speakers

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2800W Peak (700W RMS) 6.5" HCCA Series Pro Audio Midrange 4-ohm Car Speakers

• 1400 watts Peak Each, 350 watts RMS Each
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 99 dB

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found car based on your search
Fits the following location in your 4C Spider
  • Front Door
List price $263.99
-17% $219.95 /pair

In stock

NVX VPRO65 (Sold Individually)

450W Peak (225W RMS) 6.5" V-Series Pro 2 Way Coaxial Loudspeaker

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450W Peak (225W RMS) 6.5" V-Series Pro 2 Way Coaxial Loudspeaker

• 450 watts Peak Each, 225 watts RMS Each
• 1" Aluminum Bullet tweeter
• Competition Grade Paper cone material
• Impedance: 4 ohm
• Sensitivity: 97 dB

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found car based on your search
Fits the following location in your 4C Spider
  • Front Door
4
List price $82.99
-10% $74.99

In stock

Continue to cart

Available Offers (2) for NVX VPRO65 (Sold Individually)
Free Speaker Accessory at Checkout!
Purchase $400 or More of NVX and Save 15%!
2026-07-27 11:08:20
Like New from: $63.74
Limited time!

Kenwood eXcelon XR-1801P

660W Peak (240W RMS) 7" eXcelon Reference Series 2-Way 3-ohm Component Speaker System (Hi-Res Audio Certified)

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660W Peak (240W RMS) 7" eXcelon Reference Series 2-Way 3-ohm Component Speaker System (Hi-Res Audio Certified)

• 330 watts Peak Each, 120 watts RMS Each
• 1-3/16" Titanium Hard Dome Tweeters
• Glass Fiber cone material
• High-resolution (Hi-Res) audio certified
• Impedance: 3 ohm
• Sensitivity: 87 dB

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found car based on your search
Fits the following location in your 4C Spider
  • Front Door
List price $530.00
Save $171.00
-32% $359.00 /set

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Only 1 Left!

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Cerwin-Vega XED650C

600W Peak (70W RMS) 6.5" XED Series 2-Way 4-ohm Component Speaker System

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600W Peak (70W RMS) 6.5" XED Series 2-Way 4-ohm Component Speaker System

• 300 watts Peak Each, 35 watts RMS Each
• 1/2" Metal Balanced Dome tweeters
• Polypropylene 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 4C Spider
  • Front Door
28
List price $77.99
-17% $64.99 /set

In stock

Limited time!

Infinity Kappa 603CF (INFSPKKA603CFAM)

660W Peak (220W RMS) 6.5" Kappa Series 2 Way 3-ohm Component Speaker System

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660W Peak (220W RMS) 6.5" Kappa Series 2 Way 3-ohm Component Speaker System

• 330 watts Peak Each, 110 watts RMS Each
• 3/4" Silk Edge Driven Dome Tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

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VIP Product Get $36.00 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 4C Spider
  • Front Door
6
List price $499.95
Save $140.00
-28% $359.95 /set

In stock

Only 3 Left!

Used from: $305.96
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Pioneer TS-G1620F

600W Peak (80W RMS) 6.5" G-Series 2-Way Coaxial 4-ohm Car Speakers

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600W Peak (80W RMS) 6.5" G-Series 2-Way Coaxial 4-ohm Car Speakers

• 300 watts Peak Each, 40 watts RMS Each
• 1-3/16" PET Balanced Dome Tweeters
• Injection-molded Polypropylene with Mica cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

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found car based on your search
Fits the following location in your 4C Spider
  • Front Door
13
List price $65.00
Save 26%
-26% $48.00 /pair

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Cerwin Vega H7652

640W Peak (120W RMS) 6.5" HED Series 2-Way Coaxial 4-ohm Speakers

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640W Peak (120W RMS) 6.5" HED Series 2-Way Coaxial 4-ohm Speakers

• 320 watts Peak Each, 60 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 84.5 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 4C Spider
  • Front Door
32
List price $83.99
-17% $69.99 /pair

In stock

Limited time!

JL Audio C2-650x

120W RMS 6.5" C2 Series 2-Way Coaxial 4-ohm Car Speakers

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120W RMS 6.5" 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: 91 dB

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found car based on your search
Fits the following location in your 4C Spider
  • Front Door
31
List price $279.99
Save $50.00
-18% $229.99 /pair

In stock

Used from: $195.49
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Alpine S2-S65

480W Peak (160W RMS) 6.5" S-Series Hi-Res 2-Way Coaxial 4-ohm Car Speakers

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480W Peak (160W RMS) 6.5" S-Series Hi-Res 2-Way Coaxial 4-ohm Car Speakers

• 240 watts Peak Each, 80 watts RMS Each
• Hi-Res Audio Certified
• 1" Cloth Dome tweeters
• Polypropylene, Glass Fiber and Mica 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 4C Spider
  • Front Door
5
List price $180.00
-17% $149.95 /pair

In stock

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

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
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    FAQ for Speakers in 2015 4C Spider

    Q: Can I upgrade or change the Speakers in 2015 Alfa Romeo 4C Spider?

    A: Yes this page includes all the best Speakers that work in your 4C Spider.

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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.