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Kicker KSS65 (51KSS6504) (Like New (Open Box))

500W Peak (250W RMS) 6.5" KS Series 2-Way 4-ohm Component Speaker System

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500W Peak (250W RMS) 6.5" KS Series 2-Way 4-ohm Component Speaker System

• 250 watts Peak Each, 125 watts RMS Each
• 1" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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Fits multiple locations in your CT6
List price $279.99
-24% $212.49 /set
$191.24 with coupon | Price details

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Jensen JS69K

750W Peak (200W RMS) 6x9" Apex Series 3 Way Coaxial Car Speakers

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750W Peak (200W RMS) 6x9" Apex Series 3 Way Coaxial Car Speakers

• 375 watts Peak Each, 100 watts RMS Each
• 1-3/16" PEI (Polyetherimide) Dome tweeters
• 2-1/4" PEI (Polyetherimide) Dome midranges
• Woven Aramid Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

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$169.99 /pair

In stock

• 375 watts Peak Each, 100 watts RMS Each
• 1-3/16" PEI (Polyetherimide) Dome tweeters
• 2-1/4" PEI (Polyetherimide) Dome midranges
• Woven Aramid Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

Limited time!

Kicker CSC35 (46CSC354)

180W Peak (60W RMS) 3.5” CS Series 2 Way Coaxial 4-ohm Speakers

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180W Peak (60W RMS) 3.5” CS Series 2 Way Coaxial 4-ohm Speakers

• 90 watts Peak Each, 30 watts RMS Each
• 1/2" PEI (Polyetherimide) Balanced Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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List price $74.99
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-31% $51.96 /pair

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NVX XSP652

600W Peak (200W RMS) 6.5" X-Series 2 Way Coaxial Car Speakers

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600W Peak (200W RMS) 6.5" X-Series 2 Way Coaxial Car Speakers

• 300 watts Peak Each, 100 watts RMS Each
• 1" Silk Dome tweeters
• Lightweight Real Carbon Fiber cone
• Impedance: 4 ohm
• Sensitivity: 92 dB
• Mounting Depth: 2.52"

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List price $179.99
-33% $119.99 /pair

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Used from: $93.73

Deaf Bonce Apocalypse AP-M61SE

520W Peak (260W RMS) 6.5” Apocalypse Series Midrange 4-ohm Speakers

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520W Peak (260W RMS) 6.5” Apocalypse Series Midrange 4-ohm Speakers

• 260 watts Peak Each, 130 watts RMS Each
• Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 101.5 dB

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$109.90 /pair

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JBL Club 64 (JBLSPKCB64)

360W Peak (120W RMS) 6.5" Club Series 2 Way Coaxial 3-ohms Speakers

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360W Peak (120W RMS) 6.5" Club Series 2 Way Coaxial 3-ohms Speakers

• 180 watts Peak Each, 60 watts RMS Each
• Silk Edge Driven Dome tweeters with adjustable output
• UV-Resistant Polypropylene cone material
• Plus One woofer cone architecture
• Impedance: 3 ohm
• Sensitivity: 93 dB

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List price $139.95
-21% $109.95 /pair

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Only 1 Left!

Pioneer TS-A6991FH

1500W Peak (300W RMS) 6x9" A-Series 5-Way Coaxial 4-ohm Speakers

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1500W Peak (300W RMS) 6x9" A-Series 5-Way Coaxial 4-ohm Speakers

• 750 watts Peak Each, 150 watts RMS Each
• 3/4" PET Hard Dome tweeters
• 7/16" and 3/8" PET dome super tweeters
• 2-1/4" Polyetherimide (PEI) film cone midrange
• Carbon-Mica Reinforced IMPP cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

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Fits the following location in your CT6
  • Front Door
List price $180.00
-11% $160.00 /pair

In stock

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Infinity Kappa 603CF with Sound Damping

660W Peak (220W EMS) 6.5" Kappa Series 2-way Component Speaker System + NVX SDSK2 Sound Damping

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660W Peak (220W EMS) 6.5" Kappa Series 2-way Component Speaker System + NVX SDSK2 Sound Damping

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

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List price $518.69
-31% $359.95

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

Rockford Fosgate Punch P1 P1692

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

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

• 150 watts Peak Each, 75 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome Tweeters
• Mineral-Filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

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  • Front Door
82
$109.99 /pair

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Used from: $93.49

PRV Audio 10MB800FT

1600W Peak (800W RMS) 10" Forte Series Pro Audio Midbass 8-ohm Car Speaker

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1600W Peak (800W RMS) 10" Forte Series Pro Audio Midbass 8-ohm Car Speaker

• 1600 watts Peak Each, 800 watts RMS Each
• Non-Pressed Paper cone material
• Impedance: 8 ohm
• Sensitivity: 99 dB

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List price $162.39
-20% $129.91 /pair

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• 1600 watts Peak Each, 800 watts RMS Each
• Non-Pressed Paper cone material
• Impedance: 8 ohm
• Sensitivity: 99 dB

Limited time!

JL Audio C1-650x

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

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

• 50 watts RMS Each
• 3/4" Silk-Suspended Aluminum Dome tweeters
• Mineral-Filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90.5 dB

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$129.99 /pair

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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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  • Front Door
2
List price $160.00
$159.99 /pair

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Rockford Fosgate Punch P1 P1675

240W Peak (120W RMS) 6.75” Punch Series 3 Way Coaxial 4-ohm Speakers

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240W Peak (120W RMS) 6.75” Punch Series 3 Way Coaxial 4-ohm Speakers

• 120 watts Peak Each, 60 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome tweeters
• Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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$109.99 /pair

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Used from: $93.49

NVX VSP69

900W Peak (300W RMS) 6x9" V-Series 2 Way Coaxial Car Speakers

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900W Peak (300W RMS) 6x9" V-Series 2 Way Coaxial Car Speakers

• 450 watts Peak Each, 150 watts RMS Each
• 1" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB
• Mounting Depth: 3.14"

2+ offers available
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List price $131.99
-17% $109.99 /pair

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Dads & Grads Sale! Save 15% at Checkout!
List price $131.99
-17% $109.99
$93.49 with coupon | Price details
2026-06-30 23:59:00
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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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$159.99 /set

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Kicker DSC6930 (43DSC69304)

720W Peak (180W RMS) 6x9” DS Series 3-way 4-ohm Coaxial Car Speakers with Integrated Midrange

43DSC69304 big
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720W Peak (180W RMS) 6x9” DS Series 3-way 4-ohm Coaxial Car Speakers with Integrated Midrange

• 360 watts Peak Each, 90 watts RMS Each
• 1/2" PEI (Polyetherimide) Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

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Fits the following location in your CT6
  • Front Door
33
List price $139.99
-14% $119.99 /pair

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Rockford Fosgate Power T16

280W Peak (140W RMS) 6" Power Series 2 Way Coaxial 4-ohm Speakers

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280W Peak (140W RMS) 6" Power Series 2 Way Coaxial 4-ohm Speakers

• 140 watts Peak Each, 70 watts RMS Each
• 1" Aluminum Dome tweeters
• Carbon Fiber and Injection-molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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$219.99 /pair

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Used from: $186.99
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NVX XSP692

900W Peak (300W RMS) 6x9" X-Series 2 Way Coaxial Car Speakers

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900W Peak (300W RMS) 6x9" X-Series 2 Way Coaxial Car Speakers

• 450 watts Peak Each, 150 watts RMS Each
• 1" Silk Dome tweeters
• Lightweight Real Carbon Fiber cone
• Impedance: 4 ohm
• Sensitivity: 92 dB
• Mounting Depth: 3.07"

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  • Front Door
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List price $191.99
-32% $129.99 /pair

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Used from: $122.05

Rockford Fosgate Punch P1 P1694

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

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

• 150 watts Peak Each, 75 watts RMS Each
• 1" Titanium composite dome midrange
• 1/2" PEI (Polyetherimide) Dome tweeters
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

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54
$119.99 /pair

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Only 1 Left!

Used from: $101.99 Like New from: $101.99

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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    FAQ for Speakers in 2018 CT6

    Q: Can I upgrade or change the Speakers in 2018 Cadillac CT6?

    A: Yes this page includes all the best Speakers that work in your CT6.

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